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Status as a natural-born citizen of the United States is one of the eligibility requirements established in the United States Constitution for election to the office of President or Vice President. This requirement was intended to protect the nation from foreign influence.
The Constitution does not define the phrase natural-born citizen, and various opinions have been offered over time regarding its precise meaning. The consensus of early 21st-century constitutional and legal scholarship, together with relevant case law, is that "natural born" comprises all people born subject to the jurisdiction of the United States, including, generally, those born in the United States, those born to U.S. citizen parents in foreign countries, and those born in other situations meeting the legal requirements for U.S. citizenship "at birth."
The natural-born-citizen clause has been mentioned in passing in several decisions of the United States Supreme Court, and by some lower courts that have addressed eligibility challenges, but the Supreme Court has never directly addressed the question of a specific presidential or vice-presidential candidate's eligibility as a natural-born citizen. Many eligibility lawsuits from the 2008 and 2012 election cycles were dismissed in lower courts due to the challengers' difficulty in showing that they had standing to raise legal objections. Additionally, some experts have suggested that the precise meaning of the natural-born-citizen clause may never be decided by the courts because, in the end, presidential eligibility may be determined to be a non-justiciable political question that can be decided only by Congress rather than by the judicial branch of government.
- 1 Constitutional provisions
- 2 Rationale
- 3 Constitutional Convention
- 4 Naturalization Acts of 1790 and 1795
- 5 Interpretations of the clause
- 5.1 U.S. government officials in the Civil War era
- 5.2 Other U.S. government officials
- 5.3 Treatises and academic publications
- 5.4 Court decisions
- 5.5 Contemporary interpretations
- 6 Eligibility challenges
- 6.1 Standing in eligibility challenges
- 6.2 Presidential candidates whose eligibility was questioned
- 6.3 Potential presidential candidates who are not eligible
- 7 Constitutionality of the Natural-born-citizen Clause
- 8 Proposed constitutional amendments
- 9 See also
- 10 Notes
- 11 External links
Section 1 of Article Two of the United States Constitution sets forth the eligibility requirements for serving as president of the United States, under clause 5:
No person except a natural born Citizen, or a Citizen of the United States, at the time of the Adoption of this Constitution, shall be eligible to the Office of President; neither shall any Person be eligible to that Office who shall not have attained to the Age of thirty-five Years, and been fourteen Years a Resident within the United States.
The Twelfth Amendment states, "No person constitutionally ineligible to the office of President shall be eligible to that of Vice-President of the United States." The Fourteenth Amendment does not use the phrase natural-born citizen. It does provide, "All persons born or naturalized in the United States, and subject to the jurisdiction thereof, are citizens of the United States and of the State wherein they reside."
Eight of the first nine presidents – Martin Van Buren being the exception – as well as early potential presidential candidates, were born as British subjects in British America before the American Revolution but were eligible for the office by virtue of having been citizens at the time that the Constitution was adopted.
The purpose of the natural born citizen clause is to protect the nation from foreign influence.
St. George Tucker, an early federal judge, wrote in his 1803 edition of William Blackstone's Commentaries on the Laws of England, perhaps the leading authority for the delegates to the Constitutional Convention for the terms used in the Constitution, that the natural born citizen clause is "a happy means of security against foreign influence" and that "[t]he admission of foreigners into our councils, consequently, cannot be too much guarded against." In Vol. II, Chapter 10, Blackstone writes, "The children of aliens, born here in England, are generally speaking, natural-born subjects, and entitled to all the privileges of such." St. George Tucker, the editor, says in a footnote, naturalized citizens have the same rights as the natural-born except "they are forever incapable of being chosen to the office of president of the United States.",
Before Blackstone, the leading authority for the meaning of constitutional language, Edward Coke, explained in Calvin's Case that a child born on the soil of England to a foreign national visiting the country who is not an invader or foreign diplomat is a "natural born subject" of England:
[A foreign national]... so long as he was within the King's protection; which [though] but momentary and uncertain, is yet strong enough to make a [natural bond] he hath issue here, that issue is a natural born subject;
Coke went on to write:
3. There be regularly ... three incidents to a subject born. 1. That the parents be under the actual obedience of the King. 2. That the place of his birth be within the King's dominion. And, 3. The time of his birth is chiefly to be considered; for he cannot be a subject born of one kingdom that was born under the ligeance of a King of another kingdom, albeit afterwards one kingdom descend to the King of the other. ... many times ligeance or obedience without any place within the King's dominions may make a subject born, but any place within the King's dominions may make a subject born, but any place within the King's dominions without obedience can never produce a natural subject. And therefore if any of the King's ambassadors in foreign nations, have children there of their wives, being English women, by the common laws of England they are natural-born subjects, and yet they are born out-of the King's dominions. But if enemies should come into any of the King's dominions, and surprise any castle or fort, and possess the same by hostility, and have issue there, that issue is no subject to the King, though he be born within his dominions, for that he was not born under the King's ligeance or obedience. But the time of his birth is of the essence of a subject born; for he cannot be a subject to the King of England, unless at the time of his birth he was under the ligeance and obedience of the King.
Delegate Charles Cotesworth Pinckney of South Carolina said in a speech before the Senate, "to insure experience and attachment to the country, they have determined that no man who is not a natural born citizen, or citizen at the adoption of the Constitution, of fourteen years residence, and thirty-five years of age, shall be eligible."
There was also a perception that a usurper from the European aristocracy could potentially immigrate and buy his way into power. Constitutional scholar Akhil Amar points out that the laws of England specifically allowed a foreign-born head of state, and that this had been an unhappy experience for many who had immigrated to the United States.
The Constitution does not explain the meaning of "natural born". On June 18, 1787, Alexander Hamilton submitted to the Convention a sketch of a plan of government. The sketch provided for an executive "Governour" but had no eligibility requirements.
At the close of the Convention, Hamilton conveyed a paper to James Madison he said delineated the Constitution that he wished had been proposed by the Convention; he had stated its principles during the deliberations. Max Farrand wrote that it "...was not submitted to the Convention and has no further value than attaches to the personal opinions of Hamilton." Article IX, section 1 of Hamilton's draft constitution provided:
"No person shall be eligible to the office of President of the United States unless he be now a Citizen of one of the States, or hereafter be born a Citizen of the United States."
Permit me to hint, whether it would not be wise and seasonable to provide a strong check to the admission of Foreigners into the administration of our national Government, and to declare expressly that the Command in chief of the American army shall not be given to, nor devolve on, any but a natural born Citizen.
While the Committee on Detail originally proposed that the President must be merely a citizen as well as a resident for 21 years, the Committee of Eleven changed "citizen" to "natural born citizen" without recorded explanation after receiving Jay's letter. The Convention accepted the change without further recorded debate.
Naturalization Acts of 1790 and 1795
The Naturalization Act of 1790 stated that "the children of citizens of the United States, that may be born beyond sea, or out of the limits of the United States, shall be considered as natural born citizens: Provided, That the right of citizenship shall not descend to persons whose fathers have never been resident in the United States." This act was repealed by the Naturalization Act of 1795, which removed the characterization of such children as "natural born," stating that "the children of citizens of the United States, born out of the limits and jurisdiction of the United States, shall be considered as citizens of the United States" while retaining the same residency restrictions as the 1790 act.
Interpretations of the clause
U.S. government officials in the Civil War era
John Bingham stated in the House of Representatives in 1862:
The Constitution leaves no room for doubt upon this subject. The words 'natural born citizen of the United states' appear in it, and the other provision appears in it that, "Congress shall have power to pass a uniform system of naturalization." To naturalize a person is to admit him to citizenship. Who are natural born citizens but those born within the Republic? Those born within the Republic, whether black or white, are citizens by birth—natural born citizens.
He reiterated his statement in 1866:
Every human being born within the jurisdiction of the United States of parents not owing allegiance to any foreign sovereignty is, in the language of your Constitution itself, a natural-born citizen; but, sir, I may be allowed to say further that I deny that the Congress of the United States ever had the power, or color of power to say that any man born within the jurisdiction of the United States, not owing a foreign allegiance, is not and shall not be a citizen of the United States. Citizenship is his birthright and neither the Congress nor the States can justly or lawfully take it from him.
In 1862, Secretary of the Treasury Salmon P. Chase sent a query to Attorney General Edward Bates asking whether or not "colored men" can be citizens of the United States. The question arose because the Coast Guard had detained a schooner commanded by a free "colored man" who claimed he was a citizen of the United States. If he were a U.S. citizen the boat could be released, but otherwise—the Civil War then being fought—it would be confiscated. No information about the man's birth or parentage was provided. Bates responded on November 29, 1862, with a 27-page opinion — considered of such importance that the government published it not only in the official volumes of Attorney-General opinions but also as a separate booklet  — concluding,
I conclude that the free man of color, mentioned in your letter, if born in the United States, is a citizen of the United States..... [italics in original]
In the course of that opinion, Bates commented at some length on the nature of citizenship, and wrote,
... our constitution, in speaking of natural born citizens, uses no affirmative language to make them such, but only recognizes and reaffirms the universal principle, common to all nations, and as old as political society, that the people born in a country do constitute the nation, and, as individuals, are natural members of the body politic. [italics in original]
In another opinion, dated September 1, 1862, Bates dealt with a question from the Secretary of State, of whether a person born in the U.S. to two non-citizens, who is taken with them back to their country, could, years later, re-enter the United States as of right, as a U.S. citizen. Bates wrote:
I am quite clear in the opinion that children born in the United States of alien parents, who have never been naturalized, are native-born citizens of the United States, and, of course, do not require the formality of naturalization to entitle them to the rights and privileges of such citizenship. I might sustain this opinion by a reference to the well-settled principle of the common law of England on this subject; to the writings of many of the earlier and later commentators on our Constitution and laws; ... and lastly to the dicta and decisions of many of our national and state tribunals. But all this has been well done by Assistant Vice Chancellor Sandford, in the case of Lynch vs. Clarke, and I forbear. I refer to his opinion for a full and clear statement of the principle, and of the reasons and authorities for its support.
Other U.S. government officials
In reply to the inquiry ... whether "the children of foreign parents born in the United States, but brought to the country of which the father is a subject, and continuing to reside within the jurisdiction of their father's country, are entitled to protection as citizens of the United States", I have to observe that it is presumed that, according to the common law, any person born in the United States, unless he be born in one of the foreign legations therein, may be considered a citizen thereof until he formally renounces his citizenship. There is not, however any United States statute containing a provision upon this subject, nor, so far as I am aware, has there been any judicial decision in regard to it.
In 1875, U.S. Attorney General Edwards Pierrepont was presented with a query from the Secretary of State, Hamilton Fish. A young man, named Arthur Steinkauler, had been born in Missouri in 1855, a year after his father was naturalized a U.S. citizen. When he was four years old, his father returned to Germany with him and both had stayed there ever since. The father had relinquished his American citizenship. The young man was now 20 years old and about to be drafted into the Imperial German army. What was this young man's situation as a native-born American citizen? After studying the relevant legal authorities, Pierrepont wrote:
Under the treaty [of 1868 with Germany], and in harmony with American doctrine, it is clear that Steinkauler the father abandoned his naturalization in America and became a German subject (his son being yet a minor), and that by virtue of German laws the son acquired German nationality. It is equally clear that the son, by birth, has American nationality, and hence he has two nationalities, one natural, the other acquired... Young Steinkauler is a native-born American citizen. There is no law of the United States under which his father or any other person can deprive him of his birthright. He can return to America at the age of 21, and in due time, if the people elect, he can become President of the United States .... I am of opinion that when he reaches the age of 21 years he can then elect whether he will return and take the nationality of his birth, with its duties and privileges, or retain the nationality acquired by the act of his father.
Most of this passage, including the line about being elected President, was quoted approvingly by the U.S. Supreme Court in its 1939 decision in Perkins v. Elg, a case involving a similar question about an American-born girl in Sweden.
There is no uniform rule of international law covering the subject of citizenship. Every nation determines for itself who shall, and who shall not, be its citizens.... By the law of the United States, citizenship depends, generally, on the place of birth; nevertheless the children of citizens, born out of the jurisdiction of the United States, are also citizens.... The Constitution of the United States, while it recognized citizenship of the United States in prescribing the qualifications of the President, Senators, and Representatives, contained no definition of citizenship until the adoption of the 14th Amendment, in 1868; nor did Congress attempt to define it until the passage of the civil rights act, in 1866.... Prior to this time the subject of citizenship by birth was generally held to be regulated by the common law, by which all persons born within the limits and allegiance of the United States were deemed natural-born citizens.
It appears to have been assumed by the Supreme Court of the United States in the case of Murray v. The Charming Betsy (1804) 2 Cranch (6 U.S.) 64, 119, 2 L.Ed. 208, 226, that all persons born in the United States were citizens thereof. ... In M'Creery v. Somerville (1824) 9 Wheat. (22 U.S.) 354, 6 L.Ed. 109, which concerned the title to land in the state of Maryland, it was assumed that children born in that state to an alien were native-born citizens of the United States. .... The Federal courts have almost uniformly held that birth in the United States, of itself, confers citizenship.
Treatises and academic publications
In an 1825 treatise, A View of the Constitution of the United States of America, William Rawle, formerly the U.S. Attorney for Pennsylvania (1791–1799), wrote:
The citizens of each state constituted the citizens of the United States when the Constitution was adopted. ... [He] who was subsequently born the citizen of a State, became at the moment of his birth a citizen of the United States. Therefore every person born within the United States, its territories or districts, whether the parents are citizens or aliens, is a natural born citizen in the sense of the Constitution, and entitled to all the rights and privileges appertaining to that capacity. ... Under our Constitution the question is settled by its express language, and when we are informed...no person is eligible to the office of President unless he is a natural born citizen, the principle that the place of birth creates the relative quality is established as to us.
During an 1866 House debate James F. Wilson quoted Rawle's opinion, and also referred to the "general law relating to subjects and citizens recognized by all nations" saying
...and that must lead us to the conclusion that every person born in the United States is a natural-born citizen of such States, except it may be that children born on our soil to temporary sojourners or representatives of foreign Governments, are native-born citizens of the United States.
An English-language translation of Emerich de Vattel's 1758 treatise The Law of Nations (Le Droit du gens), stating that "The natives, or natural-born citizens, are those born in the country of parents who are citizens", was quoted in 1857 by Supreme Court Justice Peter Vivian Daniel in a concurring opinion in Dred Scott v. Sandford, as well as by Chief Justice Melville Fuller in 1898 in his dissenting opinion in United States v. Wong Kim Ark. However, two paragraphs later, Vattel says, "§ 214. ... there are states, as, for instance, England, where the single circumstance of being born in the country naturalizes the children of a foreigner."
Joseph Story, an Associate Justice of the U.S. Supreme Court, wrote in his 1840 guidebook to the Constitution, A Familiar Exposition of the Constitution of the United States, about the natural-born-citizen clause:
It is not too much to say that no one, but a native citizen, ought ordinarily to be intrusted with an office so vital to the safety and liberties of the people.
Those same words, using the same significant synonym "native citizen" for "natural born citizen" also appeared in his 1834 work The constitutional class book: being a brief exposition of the Constitution of the United States: Designed for the use of the higher classes in common schools.
If it was intended that anybody who was a citizen by birth should be eligible, it would only have been necessary to say, "no person, except a native-born citizen"; but the framers thought it wise, in view of the probable influx of European immigration, to provide that the president should at least be the child of citizens owing allegiance to the United States at the time of his birth. It may be observed in passing that the current phrase "native-born citizen" is well understood; but it is pleonasm and should be discarded; and the correct designation, "native citizen" should be substituted in all constitutional and statutory enactments, in judicial decisions and in legal discussions where accuracy and precise language are essential to intelligent discussion.
Although eligibility for the Presidency was not an issue in any 19th-century litigation, there have been a few cases that shed light on "natural-born citizen". The leading case is Lynch v. Clarke (mentioned by Attorney General Bates in his 1862 opinion quoted above), which dealt with a New York law (similar to laws of other states at that time) that only a U.S. citizen could inherit real estate. The plaintiff, Julia Lynch, had been born in New York while her parents, both British, were briefly visiting the U.S., and shortly thereafter all three left for Britain and never returned to the U.S. The New York Chancery Court determined that, under common law and prevailing statutes, she was a U.S. citizen by birth and nothing had deprived her of that citizenship, notwithstanding that both her parents were not U.S. citizens or that British law might also claim her through her parents' nationality. In the course of the decision, the court cited the Constitutional provision and said:
Suppose a person should be elected president who was native born, but of alien parents; could there be any reasonable doubt that he was eligible under the Constitution? I think not. The position would be decisive in his favor, that by the rule of the common law, in force when the Constitution was adopted, he is a citizen.
Upon principle, therefore, I can entertain no doubt, but that by the law of the United States, every person born within the dominions and allegiance of the United States, whatever the situation of his parents, is a natural born citizen. It is surprising that there has been no judicial decision upon this question.
The decision in Lynch was cited as persuasive or authoritative precedent in numerous subsequent cases, including In re Look Tin Sing, on the issue of whether the child, born in the U.S., to two Chinese parents (who were prevented by federal law from becoming U.S. citizens) was a U.S. citizen, notwithstanding the nationality of his parents or the fact he had traveled to China with them and not returned to the U.S. for many years. The federal court held, in a decision written by Justice Stephen J. Field, Look was a citizen by birth, and remained such despite his long stay in China, citing Lynch:
After an exhaustive examination of the law, the Vice-Chancellor said that he entertained no doubt that every person born within the dominions and allegiance of the United States, whatever the situation of his parents, was a natural-born citizen, and added that this was the general understanding of the legal profession, and the universal impression of the public mind.
The Lynch case was also cited as a leading precedent in the U.S. Supreme Court decision in United States v. Wong Kim Ark (1898), which similarly held a child born in the United States of two Chinese parents was a birthright U.S. citizen, and that decision also used the phrase "natural born".
In 1939, the U.S. Supreme Court issued its decision in Perkins v. Elg, regarding a young woman, born in New York a year after her father became a naturalized U.S. citizen. However, when she was about four her parents returned to Sweden taking her with them, and they stayed in Sweden. At age 20, this young woman contacted the American diplomats in Sweden and, shortly after her 21st birthday, returned to the United States on a U.S. passport and was admitted as a U.S. citizen. Years later, while she was still in America, her father in Sweden relinquished his American citizenship, and, because of that, the Department of Labor (then the location of the Immigration & Naturalization Service) declared her a non-citizen and tried to deport her. The young woman filed suit for a declaratory judgment that she was an American citizen by birth. She won at the trial level, and at the circuit court—where she was repeatedly described as "a natural born citizen"  — and finally in the U.S. Supreme Court, where the court decision quoted at length from the U.S. Attorney General's opinion in Steinkauler's Case (mentioned above) including the comment that the person born in America and raised in another country could yet "become President of the United States".
On July 9, 2010, a three-judge panel of the United States court of appeals for the Fifth Circuit held that a Philippine-born litigant could not claim U.S. citizenship on the basis of his parents, who lived all their lives in the Philippines, because they were born while the Philippines was U.S. territory prior to being given its independence. The Courts for the Second, Third, and Ninth Circuits have also held that birth in the Philippines at a time when the country was a territory of the United States does not constitute birth "in the United States" under the Citizenship Clause, and thus did not give rise to United States citizenship.
From the language and debates on the 14th Amendment, it would seem to have excluded from natural born citizenship the children of unassimilated indigenes (American Indian citizens of "domestic nations"), foreign diplomats of foreign nations, and foreign invaders, but not peaceable foreign visitors who enter legally, which is discussed in the opinion in Ankeny v. Governor. That decision provides a compilation of the arguments pertaining to this topic. Unassimilated American Indians have since all been brought within the jurisdiction of the United States.
It is also important to consult court cases that distinguish "incorporated" U.S. territory (the states and territories that were to become states), as "U.S. soil", from "unincorporated" U.S. territory (Puerto Rico, Guam), or leaseholds (Panama Canal Zone, Guantanamo).
Black's Law Dictionary
Black's Law Dictionary (9th Edition) defines "Natural Born Citizen" as "A person born within the jurisdiction of a national government".
Congressional Research Service
In 2000, the Congressional Research Service (CRS), in one of its reports, wrote most constitutional scholars interpret the natural born citizen clause as to include citizens born outside the United States to parents who are U.S. citizens. This same CRS report also asserts that citizens born in the District of Columbia, Guam, Puerto Rico, and the U.S. Virgin Islands, are legally defined as "natural born" citizens and are, therefore, also eligible to be elected President.
A 2009 CRS report stated:
Considering the history of the constitutional qualifications provision, the common use and meaning of the phrase "natural-born subject" in England and in the Colonies in the 1700s, the clause's apparent intent, the subsequent action of the first Congress in enacting the Naturalization Act of 1790 (expressly defining the term "natural born citizen" to include a person born abroad to parents who are United States citizens), as well as subsequent Supreme Court dicta, it appears that the most logical inferences would indicate that the phrase "natural born Citizen" would mean a person who is entitled to U.S. citizenship "at birth" or "by birth".
A 2011 CRS report stated:
The weight of legal and historical authority indicates that the term "natural born" citizen would mean a person who is entitled to U.S. citizenship "by birth" or "at birth," either by being born "in" the United States and under its jurisdiction, even those born to alien parents; by being born abroad to U.S. citizen-parents; or by being born in other situations meeting legal requirements for U.S. citizenship "at birth." Such term, however, would not include a person who was not a U.S. citizen by birth or at birth, and who was thus born an "alien" required to go through the legal process of "naturalization" to become a U.S. citizen.
Relevance of place of birth
Gabriel J. Chin, Professor of Law at UC Davis School of Law, notes that persons born outside the United States to U.S.-citizen parents have not always been born citizens. For example, foreign-born children of persons who became naturalized citizens between April 14, 1802 and 1854, were aliens. He also believes that children born in the Panama Canal Zone to at least one U.S. then-citizen between May 24, 1934, and August 4, 1937, when Congress granted citizenship to all such persons, were born without American citizenship. As a result, Chin argues, such persons (for constitutional and political purposes, most notably 2000 U.S. presidential candidate John McCain, born in the Canal Zone on August 28, 1936) may be considered "natural born" only if both
- 1. Congress possesses the authority either
- to grant not only citizenship (as is undisputed) but the more specific status of a "natural born" citizen, with an affirmative answer raising the question of whether it can also act to remove that status (and thereby disqualify individuals from the Presidency through action short of stripping them of their citizenship),
- to issue "declarations" regarding the meaning of preexisting law (in this case, U.S. citizenship law between the aforementioned dates) and having binding authority, a claim likely to violate separation of powers given the Constitution's provisions in Article III that "[t]he judicial Power of the United States shall be vested in one supreme Court and in such inferior Courts as the Congress may from time to time ordain and establish" (Section 1) and that "[t]he judicial power shall extend to all cases, in law and equity, arising under this Constitution, the laws of the United States, and treaties made, or which shall be made, under their authority" (Section 2)
- 2. the statute (currently codified at 8 U.S.C. § 1403[a]) – which states only that "any person [fitting the above description] is declared to be a citizen of the United States" and neither
- expressly claims that its declaration (whether a grant or an interpretation) has retroactive rather than merely prospective effect (contrast the locution "to have been a citizen of the United States [from birth]")
- in any way mentions "natural born" status (instead conferring or recognizing the preexistence only of "citizen[ship]" generally) –
- in fact grants or recognizes citizenship from birth, let alone status as a natural born citizen (to whatever extent the requirements of that status exceed those for citizenship from birth).
Chin believes the statute to fall short of this standard, although he criticizes the "gap" that it leaves as poor policy.
Whether the citizenship status of parents is relevant
In a 2008 article published by the Michigan Law Review, Lawrence Solum, Professor of Law at the University of Illinois, stated that "there is general agreement on the core of [the] meaning [of the Presidential Eligibility Clause]. Anyone born on American soil whose parents are citizens of the United States is a 'natural born citizen'". In April 2010, Solum republished the same article as an online draft, in which he clarified his original statement so that it would not be misunderstood as excluding the children of one citizen parent. In a footnote he explained, "based on my reading of the historical sources, there is no credible case that a person born on American soil with one American parent was clearly not a 'natural born citizen'." He further extended natural born citizenship to all cases of jus soli as the "conventional view". Although Professor Solum stated elsewhere that the two-citizen-parents arguments weren't "crazy", he believes "the much stronger argument suggests that if you were born on American soil that you would be considered a natural born citizen."
Ronald Rotunda, Professor of Law at Chapman University, has remarked "There's [sic] some people who say that both parents need to be citizens. That's never been the law." As a further example, in an unpublished New York decision, Strunk v. N.Y. State Board of Elections (Kings Cnty Supreme Ct., April 11, 2012) 35 Misc.3d 1208(A), 2012 N.Y. Slip Op. 50614(U), 950 N.Y.S.2d 722 (table), 2012 N.Y.Misc. LEXIS 1635, 2012 WL 1205117, the pro se plaintiff challenged Obama's presence on the presidential ballot, based on his own interpretation that "natural born citizen" required the president "to have been born on United States soil and have two United States born parents." (emphasis added) To which the Court responded, " Article II, section 1, clause 5 does not state this. No legal authority has ever stated that the Natural Born Citizen clause means what plaintiff Strunk claims it says. .... Moreover, President Obama is the sixth U.S. President to have had one or both of his parents not born on U.S. soil." [listing Andrew Jackson, James Buchanan, Chester A. Arthur, Woodrow Wilson, and Herbert Hoover].
Polly Price, Professor of Law at Emory University, has commented "It's a little confusing, but most scholars think it's a pretty unusual position for anyone to think the natural born citizen clause would exclude someone born in the U.S."
Professor Chin concurred with that assessment, stating, "there is agreement that 'natural born citizens' include those made citizens by birth under the 14th Amendment."
Similarly, Eugene Volokh, Professor of Law at UCLA, found "quite persuasive" the reasoning employed by the Indiana Court of Appeals, which had concluded "that persons born within the borders of the United States are 'natural born Citizens' for Article II, Section 1 purposes, regardless of the citizenship of their parents".
Daniel Tokaji, Professor of Law at Ohio State University, agrees the citizenship status of a U.S.-born candidate's parents is irrelevant.
G. Edward "Ted" White, Professor of Law at the University of Virginia, states the term refers to anyone born on U.S. soil or anyone born on foreign soil to American citizen parents.
Standing in eligibility challenges
Several courts have ruled that private citizens do not have standing to challenge the eligibility of candidates to appear on a presidential election ballot. Alternatively, there is a statutory method by which the eligibility of the president-elect of the United States to take office may be challenged in Congress.
Some legal scholars assert that, even if eligibility challenges are nonjusticiable in federal courts, and are not undertaken in Congress, there are other avenues for adjudication, such as an action in state court in regard to ballot access.
Presidential candidates whose eligibility was questioned
Every president to date was either a citizen at the adoption of the Constitution in 1789 or born in the United States; of those in the latter group, every president except two (Chester A. Arthur and Barack Obama) had two U.S.-citizen parents. Some presidential candidates were not born in a U.S. state or lacked two U.S.-citizen parents. In addition, one U.S. vice president (Al Gore) was born in Washington, D.C., and another (Charles Curtis) was born in the Kansas Territory. This does not necessarily mean that these officeholders or candidates were ineligible, only that there was some controversy about their eligibility, which may have been resolved in favor of eligibility.
Chester A. Arthur
Chester A. Arthur was rumored to have been born in Canada. His mother, Malvina Stone Arthur, while a native of Berkshire, Vermont, moved with her family to Quebec, where she met and married the future president's father, William Arthur, on April 12, 1821. After the family had settled in Fairfield, Vermont, William Arthur traveled with his eldest daughter to East Stanbridge, Canada,in October 1830 and commuted to Fairfield on Sundays to preach. "It appears that he traveled regularly between the two villages, both of which were close to the Canadian border, for about eighteen months, holding two jobs", which may well explain the confusion about Arthur's place of birth, as perhaps did the fact that he was born in Franklin County, and thus literally within a day's walk of the Vermont–Quebec border. This was never demonstrated by his Democratic opponents, although Arthur Hinman, an attorney who had investigated Arthur's family history, raised the objection during his vice-presidential campaign and after the end of his presidency, published a book on the subject.
Arthur was born in Vermont to a Vermont-born mother and a father from Ireland, who was naturalized as a U.S. citizen in 1843, 14 years after Chester was born. Despite the fact that his parents took up residence in the United States somewhere between 1822 and 1824, Arthur additionally began to claim between 1870 and 1880 that he had been born in 1830, rather than in 1829, which only caused minor confusion and was even used in several publications. Arthur was sworn in as president when President Garfield died after being shot.
Christopher Schürmann (born in New York City) entered the Labor primaries during the 1896 presidential election. His eligibility was questioned in a New York Tribune article, because he was born to alien parents of German nationality. It was stated that "various Attorney-Generals of the United States have expressed the opinion that a child born in this country of alien parents, who have not been naturalized, is, by the fact of birth, a native-born citizen entitled to all rights and privileges as such." But due to a lack of any statute on the subject, Schürmann's eligibility was, "at best an open question, and one which should have made [his] nomination under any circumstances an impossibility," because questions concerning his eligibility could have been raised after the election.
Charles Evans Hughes
The eligibility of Charles Evans Hughes was questioned in an article written by Breckinridge Long, one of Woodrow Wilson's campaign workers, and published on December 7, 1916 in the Chicago Legal News — a full month after the U.S. presidential election of 1916, in which Hughes was narrowly defeated by Woodrow Wilson. Long claimed that Hughes was ineligible because his father was not yet naturalized at the time of his birth and was still a British citizen (in fact, both his parents were British citizens and never became U.S. citizens). Observing that Hughes, although born in the United States, was also (according to British law) a British subject and therefore "enjoy[ed] a dual nationality and owe[d] a double allegiance", Long argued that a native born citizen was not natural born without a unity of U.S. citizenship and allegiance and stated: "Now if, by any possible construction, a person at the instant of birth, and for any period of time thereafter, owes, or may owe, allegiance to any sovereign but the United States, he is not a 'natural-born' citizen of the United States." 
Barry Goldwater was born in Phoenix, in what was then the incorporated Arizona Territory of the United States. During his presidential campaign in 1964, there was a minor controversy over Goldwater's having been born in Arizona when it was not yet a state.
George W. Romney, who ran for the Republican party presidential nomination in 1968, was born in Mexico to U.S. parents. Romney's grandfather had emigrated to Mexico in 1886 with his three wives and children after the U.S. federal government outlawed polygamy. Romney's monogamous parents retained their U.S. citizenship and returned to the United States with him in 1912.
Lowell P. Weicker entered the race for the Republican party nomination of 1980 but dropped out before voting in the primaries began; he was also suggested as a possible vice-president candidate in 1976. He was born in Paris, France, to parents who were U.S. citizens. His father was an executive for E. R. Squibb & Sons and his mother was the Indian-born daughter of a British general.
John McCain was born at Coco Solo Naval Air Station in the Panama Canal Zone. McCain never released his birth certificate to the press or independent fact-checking organizations, but did show it to Washington Post reporter Michael Dobbs, who wrote, "[A] senior official of the McCain campaign showed me a copy of [McCain's] birth certificate issued by the 'family hospital' in the Coco Solo submarine base". A lawsuit filed by Fred Hollander in 2008 alleged McCain was actually born in a civilian hospital in Colón, Panama. Dobbs wrote that in his autobiography, Faith of My Fathers, McCain wrote that he was born "in the Canal Zone" at the U.S. Naval Air Station in Coco Solo, which was under the command of his grandfather, John S. McCain Sr. "The senator's father, John S. McCain Jr., was an executive officer on a submarine, also based in Coco Solo. His mother, Roberta McCain, has said that she has vivid memories of lying in bed listening to raucous celebrations of her son's birth from the nearby officers' club. The birth was announced days later in the English-language Panamanian American newspaper."
The former unincorporated territory of the Panama Canal Zone and its related military facilities were not regarded as United States territory at the time, but 8 U.S.C. § 1403, which became law in 1937, retroactively conferred citizenship on individuals born within the Canal Zone on or after February 26, 1904, and on individuals born in the Republic of Panama on or after that date who had at least one U.S. citizen parent employed by the U.S. government or the Panama Railway Company; 8 U.S.C. § 1403 was cited in Judge William Alsup's 2008 ruling, described below. A March 2008 paper by former Solicitor General Ted Olson and Harvard Law Professor Laurence H. Tribe opined that McCain was eligible for the Presidency. In April 2008, the U.S. Senate approved a non-binding resolution recognizing McCain's status as a natural-born citizen. In September 2008, U.S. District Judge William Alsup stated obiter in his ruling that it is "highly probable" that McCain is a natural-born citizen from birth by virtue of 8 U.S.C. § 1401, although he acknowledged the alternative possibility that McCain became a natural-born citizen retroactively, by way of 8 U.S.C. § 1403.
These views have been criticized by Professor Chin, who argues that McCain was at birth a citizen of Panama and was only retroactively declared a born citizen under 8 U.S.C. § 1403, because at the time of his birth and with regard to the Canal Zone the Supreme Court's Insular Cases overruled the Naturalization Act of 1795, which would otherwise have declared McCain a U.S. citizen immediately at birth. The U.S. State Department's Foreign Affairs Manual states that children born in the Panama Canal Zone at certain times became U.S. nationals without citizenship. It also states in general that "it has never been determined definitively by a court whether a person who acquired U.S. citizenship by birth abroad to U.S. citizens is a natural-born citizen [...]". In Rogers v. Bellei, the Supreme Court ruled that children "born abroad of American parents" are not citizens within the citizenship clause of the 14th Amendment but did not elaborate on their natural-born status. Similarly, legal scholar Lawrence Solum concluded in an article on the natural born citizen clause that the question of McCain's eligibility could not be answered with certainty, and that it would depend on the particular approach of "constitutional construction". The urban legend fact checking website Snopes.com considers McCain's eligibility "undetermined".
Arguments over McCain's eligibility became moot after he lost the United States presidential election in 2008.
Barack Obama States, was born in Honolulu, Hawaii (which became a U.S. state in 1959). His mother was a U.S. citizen and his father was a British subject. from British Kenya. Before and after the 2008 presidential election, arguments were made Obama was not a natural-born citizen. On June 12, 2008, the Obama presidential campaign launched a website to counter what it described as as a smear campaign by his opponents, including conspiracy theories challenging his eligibility. The most prominent issue raised against Obama was the claim made in several lawsuits that he was not actually born in Hawaii. In two other lawsuits, the plaintiffs argued it was irrelevant whether he was born in Hawaii, but argued instead he was nevertheless not a natural-born citizen because his citizenship status at birth was governed by the British Nationality Act 1948. Most of the cases have been dismissed because of the plaintiff's lack of standing; however, several courts have given guidance on the question.
A three-member Indiana Court of Appeals stated,
"Based upon the language of Article II, Section 1, Clause 4 and the guidance provided by Wong Kim Ark, we conclude that persons born within the borders of the United States are 'natural born Citizens' for Article II, Section 1 purposes, regardless of the citizenship of their parents." Ankeny v. Governor of Indiana (Ind.App., Nov 12, 2009) 916 N.E.2d 678 at 688.
Administrative Law Judge Michael Malihi in Georgia decided a group of eligibility challenge cases by saying, "The Indiana Court rejected the argument that Mr. Obama was ineligible, stating that the children born within the United States are natural born citizens, regardless of the citizenship of their parents. ... This Court finds the decision and analysis of Ankeny persuasive."  Federal District Judge John A. Gibney, Jr. wrote in his decision in the case of Tisdale v. Obama:
"The eligibility requirements to be President of the United States are such that the individual must be a "natural born citizen" of the United States ... It is well settled that those born in the United States are considered natural born citizens. See, e.g. United States v. Ark [sic] ..." 
On October 31, 2008, Hawaii Health Director Dr. Chiyome Fukino issued a statement saying,
On July 27, 2009, Dr. Fukino issued an additional statement:
"I ... have seen the original vital records maintained on file by the Hawaii State Department of Health verifying Barack Hussein Obama was born in Hawaii and is a natural-born American citizen." 
Ted Cruz announced on March 22, 2015, that he was running for the Republican Party's nomination for president in the 2016 election. Cruz was born in Calgary, Alberta, Canada, to a "U.S. citizen mother and a Cuban immigrant father", giving him dual Canadian-American citizenship. Cruz applied to formally renounce his Canadian citizenship and ceased being a citizen of Canada, on May 14, 2014. Professor Chin (see above), former Solicitor General Paul Clement, former Acting Solicitor General Neal Katyal, and Professor Peter Spiro of Temple University Law School believe Cruz meets the constitutional requirements to be eligible for the presidency. Orly Taitz, Larry Klayman, and Mario Apuzzo, who each filed multiple lawsuits challenging Obama's eligibility, have asserted Cruz is not eligible.
Marco Rubio and Bobby Jindal
Marco Rubio and Bobby Jindal both announced in 2015 that they were running for the Republican Party's nomination for president in the 2016 election. Taitz and Apuzzo each have stated neither Rubio nor Jindal is eligible because both were born to parents who were not U.S. citizens at the time of their respective births.
Potential presidential candidates who are not eligible
Arnold Schwarzenegger has been reported as considering challenging the prevailing interpretation of the clause. In October 2013, the New York Post reported that Austrian-born Schwarzenegger, who became a naturalized U.S. citizen in the early 1980s, was exploring a future run for President. He has reportedly been lobbying legislators about a possible constitutional change, or filing a legal challenge to the provision. Columbia University law professor Michael C. Dorf observed that Schwarzenegger's possible lawsuit could ultimately win him the right to run for the office, noting, "The law is very clear, but it’s not 100 percent clear that the courts would enforce that law rather than leave it to the political process". Schwarzenegger has since denied that he is running.
Constitutionality of the Natural-born-citizen Clause
In 2012, Abdul Karim Hassan filed several unsuccessful lawsuits claiming the natural-born-citizen clause violated the Equal Protection Clause of the Fourteenth Amendment, arguing it was a form of discrimination based on national origin.
Proposed constitutional amendments
More than two dozen proposed constitutional amendments have been introduced in Congress to relax the restriction. Two of the more well known were introduced by Representative Jonathan Bingham in 1974, with the intent to allow German-born Secretary of State Henry Kissinger (otherwise fourth in the line of succession) to become eligible, and the Equal Opportunity to Govern Amendment by Senator Orrin Hatch in 2003, intending to allow eligibility for Arnold Schwarzenegger. The Bingham amendment would have also made clear the eligibility of those born abroad to U.S. parents, while the Hatch one would have allowed those who have been naturalized citizens for twenty years to be eligible.
There have been several articles in law journals, arguing the clause is obsolete and ought to be repealed or modified. All proposals to relax or remove the restriction have failed.
- Birthright citizenship in the United States
- Citizenship in the United States
- Native-born citizen
- United States nationality law
- United States presidential eligibility legislation
- Jus sanguinis
- Hamilton, Alexander (March 14, 1788). "The Federalist Papers No. 68, "The Mode of Electing the President"". Retrieved July 16, 2012.
- Maskell, Jack (November 14, 2011). "Qualifications for President and the 'Natural Born' Citizenship Eligibility Requirement" (PDF). Congressional Research Service. p. 2. Retrieved February 25, 2012.
In addition to historical and textual analysis, numerous holdings and references in federal (and state) cases for more than a century have clearly indicated that those born in the United States and subject to its jurisdiction (i.e., not born to foreign diplomats or occupying military forces), even to alien parents, are citizens 'at birth' or 'by birth,' and are 'natural born,' as opposed to 'naturalized,' U.S. citizens. There is no provision in the Constitution and no controlling American case law to support a contention that the citizenship of one's parents governs the eligibility of a native born U.S. citizen to be President.
- Tokaji, Daniel (2008). "The Justiciability of Eligibility: May Courts Decide Who Can Be President?". Michigan Law Review, First Impressions 107: 31.
- Gordon, Charles (1968). "Who can be President of the United States: The Unresolved Enigma". Maryland Law Review (Balitomre Maryland: Maryland Law Review, Inc. University of Maryland School of Law) 28 (1): 1–32. Retrieved October 8, 2012.
- U.S. Constitution: Article 1, Section 2, Clause 2: Qualifications of Members
- U.S. Constitution: Article 1, Section 3, Clause 3: Qualifications of Senators
- Martin Van Buren, National Children's Book and Literacy Alliance.
- Tucker, St. George (1803). "St. George Tucker, Blackstone's Commentaries 1:App. 316–25, 328–29". Retrieved July 16, 2012.
- Blackstone, Commentaries, Vol.II, Ch. 10, 1803.[page needed]
- Blackstone, Commentaries, Vol.II, Ch. 10, 1803.[page needed]
- ' 7 Coke Report 1a, 77 ER 377 (1608)], Opinion of Edward Coke.
- Farrand, Max. "Charles Pinckney in the United States Senate". The Records of the Federal Convention of 1787, Vol 3. Retrieved October 8, 2012.
- Amar, Akhil (March–April 2004). "NATURAL BORN KILLJOY Why the Constitution won't let immigrants run for president, and why that should change.". Legal Affairs. Retrieved July 16, 2012.
- Han, William. "Beyond Presidential Eligibility: The Natural Born Citizen Clause as a Source of Birthright Citizenship", Drake Law Review, Vol. 58, No. 2, 2010, p. 462.
- Pryor, Jill A. "The Natural-Born Citizen Clause and Presidential Eligibility: An Approach for Resolving Two Hundred Years of Uncertainty". 97 Yale Law Journal 881, 889 (1988)http://yalelawjournal.org/images/pdfs/pryor_note.pdf;
- 3 M. Farrand, The Records of the Federal Convention of 1787, at 619.
- 3 Farrand, at 629.
- Letter from John Jay to George Washington, 25 July, 1787
- Heard, Alexander; Nelson, Michael (1987). Presidential Selection, Duke University Press. p. 123. Retrieved April 24, 2011. (the word born is underlined in the quoted letter)
- Han, William. "Beyond Presidential Eligibility: The Natural Born Citizen Clause as a Source of Birthright Citizenship", Drake Law Review, Vol. 58, No. 2, 2010, pp. 462–463.
- Statutes At Large, First Congress, Session II, p. 103
- Congressional Globe 37.2 (1862), p. 1639.
- Congressional Globe 39.1 (1866) p. 1291. Stated again during a House debate in 1872; cf. Congressional Globe 42.2 (1872), p. 2791.
- 10 Opinions of the U.S. Atty.Gen. [pages] 382–413, and separately as Opinion of Attoney General Bates on Citizenship (1863, Washington, DC, Govt. Printing Office) 27 pages.
- "Citizenship of children born in the United States of alien parents", 10 Op. US Atty-Gen. 328.
- letter from Marcy to Mason, June 6, 1854, quoted from the manuscript, reprinted (with the emphasis shown) in John Bassett Moore, A Digest of International Law [of the United States], vol. 3, sec. 373, pp. 276–277 (US House of Representatives, 56th Congress, 2d Session, Document no. 551; Washington, DC, Govt. Printing Office, 1906).
- His first name is not given in the Opinion itself but if found in the correspondence seeking the opinion, in Papers Relating to the Foreign Relations of the United States (US House of Representatives, 44th Congress, 1st Session, Dec. 6, 1875) Exec. Doct. 1, part 1, page 563.
- Steinkauler's Case, 15 Opinions of the US Attorneys-General 15 at 17–18 (June 26, 1875).
- Perkins v. Elg (1939) 307 U.S. 325 at 329, 83 L.Ed. 1320 at 1824, 59 S.Ct. 884 at 888.
- van Dyne, Frederick, Citizenship of the United States (1904, Rochester, NY, Lawyers Co-operative Publ'g Co.) pp. 3–12. With regard to the last sentence in the quotation, van Dyne discusses some peripheral court decisions, none dealing with conventional U.S. citizenship, but with the nationality of the child of a foreigner and a member of an independent American Indian tribe whose members were not ordinarily regarded as U.S. citizens.
- Rawle, William (1825). A View of the Constitution of the United States of America. Philadelphia, Carey & Lea. pp. 80–81. ISBN 978-1144771858.
- James F. Wilson in: Congressional Globe, House of Representatives, 39th Congress, 1st Session, Washington 1866, p. 1117.
- Book 1, § 212
- Dred Scott v. Sandford, 60 U.S. 393, 476 (1857).
- United States v. Wong Kim Ark, 169 U.S. 649, 708 (1898).
- Joseph Story (1840). A familiar exposition of the Constitution of the United States: containing a brief commentary on every clause, explaining the true nature, reasons, and objects thereof : designed for the use of school libraries and general readers : with an appendix, containing important public documents, illustrative of the Constitution. Marsh, Capen, Lyon and Webb. pp. 167 §269–271.
- Joseph Story (1834). The constitutional class book: being a brief exposition of the Constitution of the United States: Designed for the use of the higher classes in common schools. Hilliard, Gray & Company. pp. 115 §190.
- Plessy v. Ferguson, 163 U.S. 537 (1896).
- A.P. Morse, "Natural-Born Citizen of the United States: Eligibility for the Office of President", Albany Law Journal, vol. 66 (1904–1905)
- NY Chanc.Ct., Nov 5, 1844; 1 Sandf.Ch. 583, 3 NY Leg.Obs. 236, 7 NY Ch. Ann. 443, 1844 WL 4804, 1844 N.Y.Misc. LEXIS 1. 
- Sandf. at 656, Leg.Obs. at 246–247
- Sandf. at 663, Leg.Obs. at 250
- D.Cal., Sep 29, 1884) 21 Fed. 905, 10 Sawyer's Rpts. 353
- Fed at 909, Sawyer at 359–360
- U.S. v. Wong Kim Ark (1898) 169 U.S. 649, 42 L.Ed. 890, 18 S.Ct. 456. 
- Similarly, in a 1999 Circuit Court decision, the U.S.-born children of two non-citizen parents were spoken of as "natural born citizens". Mustata v. US Dept. of Justice (6th Cir. 1999) 179 F.3d 1017 at 1019. 
- Perkins v. Elg (D.C. Cir. 1938) 69 U.S.App.D.C. 175, 99 F.2d 408
- Perkins v. Elg (1939) 307 U.S. 325 at 329, 83 L.Ed. 1320 at 1324, 59 S.Ct. 884 at 888. 
- Nolos v. Holder (5th Cir. 2010) 611 F.3d 279, 62 ALR-Fed.2d 777, ; also Sean Morrison, Foreign in a Domestic Sense: American Samoa and the Last U.S. Nationals, 41 Hastings Constitutional Law Quarterly 71 (fall 2013) .
- Ankeny v. State of lllinois, Appeals Court Decision, 11120903
- "Presidential Elections in the United States: A Primer" (PDF). Congressional Research Service. April 17, 2000. Retrieved January 8, 2010.
- 41131059 MoC Memo What to Tell Your Constituents in Answer to Obama Eligibility
- Liptak, Adam (July 11, 2008). "A Citizen, but 'Natural Born'?". The New York Times.
- Chin, Gabriel J. (2008), "Why Senator John McCain Cannot Be President: Eleven Months and a Hundred Yards Short of Citizenship", 107 Mich. L. Rev. First Impressions 1
- Solum, Lawrence B. (2008), "Originalism and the natural born citizen clause", 107 Mich. L. Rev. First Impressions 22
- Lawrence B. Solum, "Originalism and the natural born citizen clause", revised draft version, April 18, 2010 (SSRN), p. 1, n. 3. However, other passages of his revised draft still imply U.S. citizenship of both parents; cf. i.a. pp. 3, 9, 11.
- Leary, Alex (October 20, 2011). "Birthers say Marco Rubio is not eligible to be president". Tampa Bay Times.
- Kornhaber, Spencer (September 22, 2010). "Chapman Constitutional Scholar Rebuffs Orly Taitz's Overtures". OC Weekly.
- Chin, Gabriel (April 20, 2011). "Who's really eligible to be president?". CNN.
- Volokh, Eugene (November 18, 2009). "Indiana Court of Appeals Rejects Claim That 'Because His Father Was a Citizen of the United Kingdom, President Obama Is [Not a Natural Born Citizen and Therefore] Constitutionally Ineligible to Assume the Office of the President'". The Volokh Conspiracy. Retrieved May 3, 2011.
- Ankeny v. Governor of the State of Indiana, 916 NE 2d 678 (Ind. Ct. of Appeals November 12, 2009).
- Rathgeber, Bob (September 20, 2010). "Exclusive: Now, 'birthers' have eye on Marco Rubio". News-Press.
- White, G. Edward (Aug 20, 2009). "Re-examining the Constitution's Presidential Eligibility Clause". University of Virginia School of Law. Retrieved February 27, 2012.
- E.g. see Robinson v. Bowen, 567 F. Supp. 2d 1144 (N.D. Cal. 2008); Hollander v. McCain, 2008WL2853250 (D.N.H. 2008); Berg v. Obama, 08-04083 (E.D. Pa. 2008.
- See 3 U.S.C. ch. 1.
- Carl Hulse (February 28, 2008). "McCain’s Canal Zone Birth Prompts Queries About Whether That Rules Him Out". The New York Times. Retrieved August 12, 2012.
- Spiro, Peter. "McCain's Citizenship and Constitutional Method", Michigan Law Review, Volume 107, p. 208 (2008).
- "Who Can Be President?", Voice of America News (July 29, 2008).
- Reeves, Thomas C. "The Mystery of Chester Alan Arthur's Birthplace", Vermont History 38, Montpelier: Vermont Historical Society, p. 295
- DeGregorio, William A. The Complete Book of U.S. Presidents, Random House: 1993, pp. 307–08, ISBN 0-517-08244-6
- Hinman, Arthur P. (1884). How a British Subject became President of the United States.
- Thomas C. Reeves, Gentleman Boss. The Life and Times of Chester Alan Arthur (Newtown 1991), p. 5.
- For instance, an early biography of Presidents Garfield and Arthur.Doyle, Burton T.; Swaney, Homer H. (1881). Lives of James A. Garfield and Chester A. Arthur. Washington: R.H. Darby. p. 183. ISBN 0-104-57546-8.
- "Is Mr. Schürmann eligible?", New York Tribune, October 2, 1896, in: Anonymous (ed.), The Presidential Campaign of 1896. A Scrap-Book Chronicle, New York 1925: Funk & Wagnalls, p. 130 sq. (Note: The year of publication is given as 1888, though the election was eight years later. However, the author's introduction is dated 1925.)
- Breckinridge Long (1916), "Is Mr. Charles Evans Hughes a 'Natural Born Citizen' within the Meaning of the Constitution?", Chicago Legal News vol. 49, pp. 146–148 (Dec 7, 1916). It does not appear that this issue was raised before the election day, which may indicate that the majority of voters or of legal authorities felt it was not an impediment to Hughes's eligibility.
- Lipsky, Seth (2009). The Citizen's Constitution: An Annotated Guide. (Basic Books). p. 126.
- Heard, Alexander and Nelson, Michael (1987). Presidential Selection. (Duke University Press) p. 127.
- Ken Rudin (July 9, 1998). "Citizen McCain's Panama Problem?". Washington Post.
- Powell, Stewart (August 14, 1976). "Weicker May Not Be Eligible to Serve in High Position", Nashua Telegraph. United Press International.
- S.Res.511: A resolution recognizing that John Sidney McCain, III, is a natural-born citizen., U.S. Senate, April 30, 2008, OpenCongress. Retrieved April 13, 2011
- "John McCain Biography", Biography.com. Retrieved April 13, 2011
- Dobbs, Michael (May 20, 2008). "John McCain's Birthplace". The Washington Post. Retrieved April 13, 2011.
- Parish, Matt (2010), "How Old Is John McCain?", Politics Daily, AOL. Retrieved April 13, 2011
- "Profile: John McCain". Online NewsHour. PBS. July 1, 2008. Retrieved April 13, 2011.
- Fagan, Kevin (September 21, 2008). "McCain: A profile in courage and adaptation". San Francisco Chronicle. Retrieved April 13, 2011.
- Hollander v. McCain et al, Justia Dockets & Filings
- Dr. Conspiracy (April 24, 2010), "John McCain's fake birth certificate", Obama Conspiracy Theories. Retrieved April 13, 2011
- Dobbs, Michael (May 2, 2008), "McCain's Birth Abroad Stirs Legal Debate : His Eligibility for Presidency Is Questioned", The Washington Post
- Article II of Convention Between the United States and the Republic of Panama states: "...the cities of Panama and Colon and the harbors adjacent to said cities, which are included within the boundaries of the zone above described, shall not be included within this grant".
- A book written by the U.S. Navy includes the same reference: Link to relevant page in the book via Google Books: http://books.google.com/books?id=pxooAAAAYAAJ&dq=panama%20canal%20colon&lr=&pg=PA192
- This map clearly shows Colon is not part of the Canal Zone. Colon Hospital can be seen on the map at the North end of the island. (Source: http://www.serve.com/~CZBrats/)
- Foreign Affairs Manual, 7 FAM §1116.1–4: "Despite widespread popular belief, U.S. military installations abroad and U.S. diplomatic facilities are not part of the United States within the meaning of the 14th Amendment. A child born on the premises of such a facility is not subject to U.S. jurisdiction and does not acquire U.S. citizenship by reason of birth."
- "Lawyers Conclude McCain Is "Natural Born", CBS News, Associated Press, March 28, 2008. Retrieved May 23, 2008.
- S.Res.511: A resolution recognizing that John Sidney McCain, III, is a natural-born citizen; sponsors: Sen. Claire McCaskill, Sen. Barack Obama et al.; page S2951 notes Chairman Patrick Leahy as agreeing to Secretary Michael Chertoff's "assumption and understanding" that a citizen is a natural-born citizen, if he or she was "born of American parents".
- Cf. William Alsup, Robinson v. Bowen: Order denying preliminary injunction and dismissing action, September 16, 2008, p. 2; Alsup ruled that McCain was either a natural-born citizen by birth under 8 U.S.C. §1401c or retroactively under 8 U.S.C. §1403(a). (See also: "Judge says McCain is a 'natural-born citizen'". Associated Press. September 18, 2008. Retrieved November 16, 2008., and "Constitutional Topic: Citizenship". U.S. Constitution Online. Retrieved November 25, 2008.)
- Chin, Gabriel J. (2008), "Why Senator John McCain Cannot Be President: Eleven Months and a Hundred Yards Short of Citizenship", Michigan Law Review First Impressions, Vol. 107, No. 1, (Arizona Legal Studies Discussion Paper No. 08-14)
- "Nationality" in: 7 FAM 1111.3 (c).
- 7 FAM §1131.6–2, Eligibility for Presidency.
- SCOTUS 401 U.S. 815, 828 (1971)
- "Constitutional Topic: Citizenship". U.S. Constitution Online. Retrieved June 7, 2009
- Lawrence B. Solum, "Originalism and the natural born citizen clause", Michigan Law Review: First Impressions 107, September 2008, p. 30.
- "Is John McCain a natural-born citizen?" Snopes.com, July 23, 2008. Retrieved March 27, 2011.
- "Obama's Kenyan Citizenship?". FactCheck.org. September 3, 2009. Retrieved September 14, 2013.
- "British nationality by virtue of citizenship". British Nationality Act 1948. Her Majesty's Government. Retrieved September 14, 2013.
- "UK and Colonies". Home Office.
- "The Truth About Barack's Birth Certificate (archived web cache)". Fight the Smears (Obama for America). (. Retrieved March 9, 2011), quoting in excerpts from: "Does Barack Obama have Kenyan citizenship?". FactCheck.org (Annenberg Foundation). August 29, 2008.; see also: "Obama hits back at Internet slanders". Agence France-Presse. June 12, 2008.; in a written oath to the State of Arizona, Obama further stated that he is a natural-born citizen (cf. Candidate Nomination Paper, State of Arizona, November 30, 2007).
- Leo C. Donofrio v. Nina Mitchell Wells (SCOTUS 08A407) and Cort Wrotnowski v. Susan Bysiewicz (SCOTUS 08A469); in a conference decision, the Supreme Court denied their applications without comment.
- "The truth about Barack's birth certificate", Obama for America. Retrieved March 9, 2011).
- 916 N.E.2d 678 , transfer denied (without written opinion)(Ind.Supm., April 1, 2010) 929 N.E.2d 789.
- Farrar v. Obama (Office of State Administrative Hearings State of Georgia 2012). Text
- Tisdale v. Obama (United States District Court for the Eastern District of Virginia 2012). Text
- Statement by Dr. Chiyome Fukino, Department of Health, October 31, 2008
- "Hawaii reasserts Obama 'natural-born' citizen", MSNBC, July 28, 2009
- Hanna, Maddie (November 18, 2011). "'Birther' bid to derail Obama blocked". Concord Monitor.
- Velasco, Eric (January 9, 2012). "Suit to keep President Barack Obama off Alabama primary ballots dismissed by Jefferson County judge". Alabama: al.com.
- Allen v. Obama (Arizona Superior Court, Pima County February 24, 2012). Text
- Secretary of State Kemp Issues Final Decision on Challenge to President Barack Obama's Eligibility and Qualifications, (February 7, 2012), Press Office of the Georgia Secretary of State.
- Martin, Jonathan; Haberman, Maggie (March 22, 2015). "Ted Cruz Hopes Early Campaign Entry Will Focus Voters' Attention". The New York Times. Retrieved March 23, 2015.
- "Cruz, Rafael Edward (Ted), (1970 – )". Biographical Directory of the United States Congress.
- Chin, Gabriel (August 13, 2013). "Opinion: Ted Cruz can be president, probably". CNN.
- Gillman, Todd (December 28, 2013). "Ted Cruz says he's hired lawyers to renounce Canadian citizenship". Dallas Morning News. Retrieved December 30, 2013.
- Gillman, Todd (June 10, 2014). "No, Canada: Sen. Ted Cruz has formally shed his dual citizenship". The Dallas Morning News. Retrieved June 10, 2014.
- Blake, Aaron (August 19, 2013). "Cruz Will Renounce Canadian Citizenship". The Washington Post. Retrieved August 20, 2013.
- Barnes, Robert (March 12, 2015). "Legal experts: Cruz's Canadian birth won't keep him out of the Oval Office". Washington Post.
- Spiro, Peter (March 22, 2015). "Is Ted Cruz a 'Natural Born Citizen'?". Opinio Juris.
- Neal Katyal; Paul Clemente (March 11, 2015). "On the Meaning of 'Natural Born Citizen'". Harvard Law Review.
- Nelson, Steven (March 24, 2015). "Ted Cruz Inherits 'Birthers' With Presidential Bid". U.S. News & World Report.
- Koplowitz, Howard (March 26, 2015). "Birther 2.0: Can Ted Cruz Run For President? 'He's Even Worse Than Obama,' Citizenship Skeptic Says". International Business Times.
- Ashley Parker and Alan Rappeport (April 13, 2015). "Marco Rubio Announces 2016 Presidential Bid". New York Times.
- Fernandez, Manny (January 24, 2015). "Bobby Jindal Announces Run for President". New York Times.
- Smith, Emily (October 18, 2013). "Arnold lobbies for White House run". New York Post. Retrieved October 19, 2013.
- Blake, Aaron "Schwarzenegger denies he’s aiming for president" Post Politics blog Washington Post October 18, 2013.
- Palazzolo, Joe (September 4, 2012). "The Other Democratic Candidate". The Wall Street Journal.
- Kasindorf, Martin (December 2, 2004). "Should the Constitution be amended for Arnold?". USA Today.
- "President Kissinger?". Time. March 4, 1974.
- Examples [NBC='Natural Born Citizen']: Stephen Parkes, Birthers' Attacks and the Judiciary's Article III Defense of the Obama Presidency, 38 Southern Univ. L.Rev. 179 (2011); Lawrence Friedman, An Idea Whose Time Has Come: The curious history, uncertain effect, and need for amendment of the NBC requirement for the Presidency, 52 St. Louis Univ. L.J. 137 (2007); J. Michael Medina, Presidential Qualification Clause in this Bicentennial Year: The need to eliminate the NBC requirement, 12 Okla. City Univ. L.Rev. 253 (1987); Adam Clanton, Born to Run: Can an American Samoan become President?, 29 UCLA Pacif. Bsin L.J. 135 (2011); Claudine Pease-Wingenter, Empowering Our Children to Dream without Limitations: A call to revisit the NBC requirement, 29 Chicano-Latino L.Rev. 43 (2010); John R. Hein, Born in the USA but Not Natural Born: How Congressional territorial policy bars native-born Puerto Ricans from the Presidency, 11 Univ. Penn. J. Constit. L. 423 (2009); Gabriel J. Chin, Why Senator John McCain Cannot be President: Eleven months and a hundred yards short of citizenship, 29 Immig & Nationality L.R. 571 (2008); Sarah P. Herlihy, Amending the NBC Requirement: Globalization as the impetus and the obstacle, 81 Chicago-Kent L.R. 275 (2006); Andrew D. Miller, Terminating the Just Not American Enough Idea: Saying Hasta Law Vista to the NBC Requirement of Presidential Eligibility, 57 Syracuse L.R. 97 (2006); Jill A. Pryor, NVC Clause and Presidential Eligibility: An approach for resolving two hundred years of uncertainty, 97 Yale L.J. 881 (1988); Robert Post, What is the Constitution's Worst Provision?, 12 Constitutional Commentary 191 (1995); Paul A. Clark, Limiting the Presidency to NBCs Violates Due Process, 39 John Marhsall L.R. 1343 (2006); etc.
- John Yinger, Essay on the Presidential Eligibility clause and on the origins and interpretation of natural born citizen.
- Jill A. Pryor, "The Natural Born Citizen Clause and the Presidential Eligibility Clause; Resolving Two Hundred Years of Uncertainty", Yale Law Journal, Vol. 97, 1988, pp. 881–899.
- Sarah P. Herlihy, "Amending the Natural Born Citizen Requirement: Globalization as the Impetus and the Obstacle", Chicago-Kent Law Review, Vol. 81, 2006, pp. 275–300.
- Lawrence Friedman, "An Idea Whose Time has Come - The Curious History, Uncertain Effect, and Need for Amendment of the 'Natural Born Citizen' Requirement for the Presidency", St. Louis Univ. Law Journal, Vol. 52, 2007, pp. 137–150.
- U.S. Constitution Online, , Constitutional Topic: Citizenship.
- Presidential Eligibility, Constitution Society.