One man, one vote

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"One Man One Vote" protest at the Democratic National Convention in Atlantic City, New Jersey, 1964, before passage of the Voting Rights Act and when delegates of the Mississippi Freedom Democratic Party attempted to be seated.

"One man, one vote", or "one person, one vote", expresses the principle of equal representation in voting. This slogan is used by advocates of democracy and political equality, especially with regard to electoral reforms like universal suffrage and proportional representation.


The violation of equal representation in the various systems of proportional representation can be measured with the Loosemore–Hanby index, the Gallagher index, or the amount of wasted vote. A Gallagher index above 5 (%) is seen by many experts as violating the One man, one vote principle.[1][2][3] In case of plurality voting, the wasted vote can be measured. Additionally, the percentage of spoilt vote and percentage of disfranchisement can be measured to detect violations of the equal representation principle.


The phrase surged in English-language usage around 1880,[4] thanks in part to British trade unionist George Howell who used the phrase "one man, one vote" in political pamphlets.[5] During the mid-to-late 20th-century period of decolonisation and the struggles for national sovereignty, this phrase became widely used in developing countries where majority populations sought to gain political power in proportion to their numbers.[citation needed] The slogan was notably used by the anti-apartheid movement during the 1980s, which sought to end white minority rule in South Africa.[6][7][8]

In the United States, the "one person, one vote" principle was invoked in a series of cases by the Warren Court in the 1960s during the height of related civil rights activities.[9][10][11][12][a] Applying the Equal Protection Clause of the constitution, the U.S. Supreme Court majority opinion (5–4) led by Chief Justice Earl Warren in Reynolds v. Sims (1964) ruled that state legislatures, unlike the U.S. Congress, needed to have representation in both houses that was based on districts containing roughly equal populations, with redistricting as needed after censuses.[14][15] Some had an upper house based on an equal number of representatives to be elected from each county, which gave undue political power to rural counties. Many states had neglected to redistrict for decades during the 20th century, even as population increased in urban, industrialized areas. In the 1964 Wesberry v. Sanders decision, the U.S. Supreme Court declared that equality of voting—one person, one vote—means that "the weight and worth of the citizens' votes as nearly as is practicable must be the same",[16] and ruled that states must also draw federal congressional districts containing roughly equal represented populations.

United Kingdom[edit]

Historical background[edit]

This phrase was traditionally used in the context of demands for suffrage reform. Historically the emphasis within the House of Commons was on representing areas: counties, boroughs and, later on, universities. The entitlement to vote for the Members of Parliament representing the constituencies varied widely, with different qualifications over time, such as owning property of a certain value, holding an apprenticeship, qualifying for paying the local-government rates, or holding a degree from the university in question. Those who qualified for the vote in more than one constituency were entitled to vote in each constituency, while many adults did not qualify for the vote at all. Plural voting was also present in local government, whereby the owners of business property qualified for votes in the relevant wards.

Reformers argued that Members of Parliament and other elected officials should represent citizens equally, and that each voter should be entitled to exercise the vote once in an election. Successive Reform Acts by 1950 had both extended the franchise eventually to almost all adult citizens (barring convicts, lunatics and members of the House of Lords), and also reduced and finally eliminated plural voting for Westminster elections. Plural voting for local-government elections outside the City of London was not abolished until the Representation of the People Act 1969.[17][18]

But, there were two significant exceptions:

City of London[edit]

The City of London had never expanded its boundaries. Following the replacement of many residential dwellings by businesses, and the destruction of The Blitz, after the Second World War, the financial district had barely five thousand residents. The system of plural voting was retained for electing the City of London Corporation, with some modifications.

Northern Ireland[edit]

When Northern Ireland was established in 1921, it adopted the same political system then in place for the Westminster Parliament and British local government. But the Parliament of Northern Ireland did not follow Westminster in changes to the franchise from 1945. As a result, into the 1960s, plural voting was still allowed not only for local government (as it was for local government in Great Britain), but also for the Parliament of Northern Ireland. This meant that in local council elections (as in Great Britain), ratepayers and their spouses, whether renting or owning the property, could vote. Company directors had an extra vote by virtue of their company's status. However, unlike the situation in Great Britain, non-ratepayers did not have a vote in local government elections. The franchise for elections to the Parliament of Northern Ireland had been extended in 1928 to all adult citizens who were not disqualified, at the same time as the franchise for elections to Westminster. But, university representation and the business vote continued for elections to the House of Commons of Northern Ireland until 1969. They were abolished in 1948 for elections to the UK House of Commons (including Westminster seats in Northern Ireland). Historians and political scholars have debated the extent to which the franchise for local government contributed to unionist electoral success in controlling councils in nationalist-majority areas.[19]

Based on a number of inequities, the Northern Ireland Civil Rights Association was founded in 1967. It had five primary demands, and added the demand that each citizen in Northern Ireland be afforded the same number of votes for local government elections (as stated above, this was not yet the case anywhere in the United Kingdom). The slogan "one man, one vote" became a rallying cry for this campaign.[citation needed] The Parliament of Northern Ireland voted to update the voting rules for elections to the Northern Ireland House of Commons, which were implemented for the 1969 Northern Ireland general election, and for local government elections, which was done by the Electoral Law Act (Northern Ireland) 1969, passed on 25 November 1969.

United States[edit]

Historical background[edit]

"One man, one vote" emblem (Student Non-Violent Coordinating Committee (SNCC - New Jersey)

The United States Constitution requires a decennial census for the purpose of assuring fair apportionment of seats in the United States House of Representatives among the states, based on their population. Reapportionment has generally been conducted without incident with the exception of the reapportionment that should have followed the 1920 census, which was effectively skipped pending resolution by the Reapportionment Act of 1929. State legislatures, however, initially established election of congressional representatives from districts that were often based on traditional counties or parishes that had preceded founding of the new government. The question then arose as to whether the legislatures were required to ensure that House districts were roughly equal in population and to draw new districts to accommodate demographic changes.[12][10]

Some U.S. states redrew their House districts every ten years to reflect changes in population patterns; many did not. Some never redrew them, except when it was mandated by reapportionment of Congress and a resulting change in the number of seats to which that state was entitled in the House of Representatives. In many states, both North and South, this inaction resulted in a skewing of influence for voters in some districts over those in others, generally with a bias toward rural districts. For example, if the 2nd congressional district eventually had a population of 1.5 million, but the 3rd had only 500,000, then, in effect – since each district elected the same number of representatives – a voter in the 3rd district had three times the voting power of a 2nd-district voter.

Alabama's state legislature resisted redistricting from 1910 to 1972 (when forced by federal court order). As a result, rural residents retained a wildly disproportionate amount of power in a time when other areas of the state became urbanized and industrialized, attracting greater populations. Such urban areas were under-represented in the state legislature and underserved; their residents had difficulty getting needed funding for infrastructure and services. Such areas paid far more in taxes to the state than they received in benefits in relation to the population.[15]

The Constitution incorporates the result of the Great Compromise, which established representation for the U.S. Senate. Each state was equally represented in the Senate with two representatives, without regard to population. The Founding Fathers considered this principle of such importance[citation needed] that they included a clause in the Constitution to prohibit any state from being deprived of equal representation in the Senate without its permission; see Article V of the United States Constitution. For this reason, "one person, one vote" has never been implemented in the U.S. Senate, in terms of representation by states.

When states established their legislatures, they often adopted a bicameral model based on colonial governments or the federal government. Many copied the Senate principle, establishing an upper house based on geography - for instance, a state senate with one representative drawn from each county. By the 20th century, this often resulted in state senators having widely varying amounts of political power, with ones from rural areas having votes equal in power to those of senators representing much greater urban populations.

Activism in the Civil Rights Movement to restore the ability of African Americans in the South to register and vote highlighted other voting inequities across the country. In 1964–1965, the Civil Rights Act of 1964 and Voting Rights Act of 1965 were passed, in part to enforce the constitutional voting rights of African Americans.[20] Numerous court challenges were raised, including in Alabama, due to the lack of reapportionment for decades.

Court cases[edit]

In Colegrove v. Green, 328 U.S. 549 (1946) the United States Supreme Court held in a 4–3 plurality decision that Article I, Section 4 left to the legislature of each state the authority to establish the time, place, and manner of holding elections for representatives.

However, in Baker v. Carr, 369 U.S. 186 (1962) the United States Supreme Court under Chief Justice Earl Warren overturned the previous decision in Colegrove holding that malapportionment claims under the Equal Protection Clause of the Fourteenth Amendment were not exempt from judicial review under Article IV, Section 4, as the equal protection issue in this case was separate from any political questions.[12][16] The "one person, one vote" doctrine, which requires electoral districts to be apportioned according to population, thus making each district roughly equal in population, was further affirmed by the Warren Court in the landmark cases that followed Baker, including Gray v. Sanders, 372 U.S. 368 (1963), which concerned the county unit system in Georgia; Reynolds v. Sims, 377 U.S. 533 (1964) which concerned state legislature districts; Wesberry v. Sanders, 376 U.S. 1 (1964), which concerned U.S. congressional districts; and Avery v. Midland County, 390 U.S. 474 (1968) which concerned local government districts.[16][21][22]

The Warren Court's decision was upheld in Board of Estimate of City of New York v. Morris, 489 U.S. 688 (1989).[23] Evenwel v. Abbott, 578 U.S. 2016, said states may use total population in drawing districts.[22]

Other uses[edit]

  • In 1975, a Michigan court ruling declared that "majority preferential voting," as Instant Runoff Voting (IRV) was then known, did not violate the one-man, one-vote rule:[24]

Under the 'M.P.V. System', however, no one person or voter has more than one effective vote for one office. No voter's vote can be counted more than once for the same candidate. In the final analysis, no voter is given greater weight in his or her vote over the vote of another voter, although to understand this does require a conceptual understanding of how the effect of a 'M.P.V. System' is like that of a run-off election. The form of majority preferential voting employed in the City of Ann Arbor's election of its Mayor does not violate the one-man, one-vote mandate nor does it deprive anyone of equal protection rights under the Michigan or United States Constitutions.

  • The constitutionality of IRV has been subsequently upheld by several federal courts.[25][26] In 2018, a federal court ruled on the constitutionality of Maine’s use of ranked-choice voting, stating that "'one person, one vote' does not stand in opposition to ranked balloting, so long as all electors are treated equally at the ballot."[27]
  • Training Wheels for Citizenship, a failed 2004 initiative in California, attempted to give minors between 14 and 17 years of age (who otherwise cannot vote) a fractional vote in state elections. Among the criticisms leveled at the proposed initiative was that it violated the "one man, one vote" principle.[28]
  • The courts have found that special-purpose districts must also follow the one person, one vote rule.[29][30][31][32][33][34][35][36][37]
  • Due to treaties signed by the United States in 1830 and 1835, two Native American tribes (the Cherokee and Choctaw) each hold the right to a non-voting delegate position in the House of Representatives.[38][39] As of 2019, only the Cherokee have attempted to exercise that right.[40][41] Because all tribal governments related to the two in question exist within present-day state boundaries, it has been suggested that such an arrangement could potentially violate the "one man, one vote" principle by granting a "super-vote"; a Cherokee or Choctaw voter would have two House representatives (state and tribal), whereas any other American would only have one.[42]

Developing countries[edit]

Nelson Mandela, the first President of South Africa elected in a fully representative democratic election

Successful examples[edit]

The "one man, one vote" election system has been successfully implemented in many developing countries, most notably India and South Africa.[43][44][45]

Reforms thwarted[edit]

The term "One man, one vote, one time" has been applied to Zimbabwe, Zambia, Angola, Belarus and Russia where representative elections were successfully held that were relatively free of corruption and violence. In each case, a strongman came to power and effectively ended free and equitable voting.[46][6]

See also[edit]


  1. ^ Justice Douglas, Gray v. Sanders (1963): "The conception of political equality from the Declaration of Independence, to Lincoln's Gettysburg Address, to the Fifteenth, Seventeenth, and Nineteenth Amendments can mean only one thing—one person, one vote."[13]


  1. ^ December 2016, Canada's 2016 Special Committee On Electoral Reform, Recommendation 1
  2. ^ Read the full electoral reform committee report, plus Liberal and NDP/Green opinions
  3. ^ What is the Gallagher Index? The Gallagher Index measures how unfair a voting system is.
  4. ^ "Google Books Ngram Viewer". Retrieved 2022-12-16.
  5. ^ George Howell (1880). "One man, one vote". Manchester Selected Pamphlets. JSTOR 60239578
  6. ^ a b Peter Duignan; Lewis H. Gann (1991). Hope for South Africa?. Hoover Institution Press. p. 166. ISBN 0817989528.
  7. ^ Bond, Larry; Larkin, Patrick (June 1991). Vortex. United States: Little, Brown and Warner Books. p. 37. ISBN 0-446-51566-3. OCLC 23286496.
  8. ^ Boam, Jeffrey (July 1989). Lethal Weapon 2. Warner Bros.
  9. ^ Richard H. Fallon, Jr. (2013). The Dynamic Constitution. Cambridge University Press, 196.
  10. ^ a b Douglas J. Smith (2014). On Democracy's Doorstep: The Inside Story of How the Supreme Court Brought "One Person, One Vote" to the United States. Farrar, Straus and Giroux.
  11. ^ "One person, one vote", in David Andrew Schultz (2010). Encyclopedia of the United States Constitution. Infobase Publishing, 526.
  12. ^ a b c Stephen Ansolabehere, James M. Snyder (2008). The End of Inequality: One Person, One Vote and the Transformation of American Politics. Norton.
  13. ^ C. J. Warren, Reynolds v. Sims, 377 U.S. 533, 558 (1964) (quoting Gray v. Sanders, 372 U.S. 368 (1963)), cited in "One-person, one-vote rule", Legal Information Institute, Cornell University Law School.
  14. ^ "Reynolds v. Sims". Oyez. Retrieved 2019-09-21.
  15. ^ a b Charlie B. Tyler, "County Government in the Palmetto State", University of South Carolina, 1998, p. 221
  16. ^ a b c Goldman, Ari L. (21 November 1986). "ONE MAN, ONE VOTE: DECADES OF COURT DECISIONS". The New York Times.
  17. ^ Halsey, Albert Henry (1988). British Social Trends since 1900. Springer. p. 298. ISBN 9781349194667.
  18. ^ Peter Brooke (24 February 1999). "City of London (Ward Elections) Bill". Parliamentary Debates (Hansard). United Kingdom: House of Commons. col. 452.
  19. ^ John H. Whyte. "How much discrimination was there under the unionist regime, 1921-1968?". Conflict Archive on the Internet. Retrieved 2007-08-30.
  20. ^ "We Shall Overcome -- The Players". Retrieved 2019-10-05.
  21. ^ "Reynolds v. Sims". Oyez. Retrieved 2019-09-17.
  22. ^ a b Anonymous (2010-08-19). "one-person, one-vote rule". LII / Legal Information Institute. Retrieved 2019-09-17.
  23. ^ "The Supreme Court: One-Man, One-Vote, Locally". Time. 1968-04-12. Archived from the original on September 2, 2009. Retrieved 2010-05-20.
  24. ^ Stephenson v Ann Arbor Board of Canvassers,, accessed 6 November 2013.
  25. ^ Collins, Steve; Journal, Sun (2018-12-13). "Federal court rules against Bruce Poliquin's challenge of ranked-choice voting". Lewiston Sun Journal. Retrieved 2018-12-19.
  26. ^ "Dudum v. Arntz, 640 F. 3d 1098 (2011)". United States Court of Appeals, Ninth Circuit. Retrieved 2016-04-01.
  27. ^ U.S. District Judge Lance Walker (2018-12-13). "Read the federal judge's decision on Poliquin's ranked-choice challenge". Bangor Daily News. Bangor Daily News. p. 21. Retrieved 2019-02-10.
  28. ^ "Should 14-year-olds vote? OK, how about a quarter of a vote?", Daniel B. Wood, Christian Science Monitor, Mar. 12, 2004.
  29. ^ Avery v. Midland County, 390 U.S. 474, 88 S. Ct. 1114, 20 L. Ed. 2d 45 (1968)
  30. ^ Ball v. James, 451 U.S. 355, 101 S. Ct. 1811, 68 L. Ed. 2d 150 (1981)
  31. ^ Bjornestad v. Hulse, 229 Cal. App. 3d 1568, 281 Cal. Rptr. 548 (1991)
  32. ^ Board of Estimate v. Morris, 489 U.S. 688, 109 S. Ct. 1433, 103 L. Ed. 2d 717 (1989)
  33. ^ Hadley v. Junior College District, 397 U.S. 50, 90 S. Ct. 791, 25 L. Ed. 2d 45 (1970)
  34. ^ Hellebust v. Brownback, 824 F. Supp. 1511 (D. Kan. 1993)
  35. ^ Kessler v. Grand Central District Management Association, 158 F.3d 92. (2d Cir. 1998)
  36. ^ Reynolds v. Sims, 377 U.S. 533, 84 S. Ct. 136, 12 L. Ed. 2d 506 (1964)
  37. ^ Salyer Land Co. v. Tulare Lake Basin Water Storage District, 410 U.S. 719 (1973)
  38. ^ Ahtone, Tristan (January 4, 2017). "The Cherokee Nation Is Entitled to a Delegate in Congress. But Will They Finally Send One?". YES! Magazine. Bainbridge Island, Washington. Retrieved January 4, 2019.
  39. ^ Pommersheim, Frank (September 2, 2009). Broken Landscape: Indians, Indian Tribes, and the Constitution. Oxford, England: Oxford University Press. p. 333. ISBN 978-0-19-970659-4. Retrieved January 4, 2019.
  40. ^ "The Cherokee Nation wants a representative in Congress".
  41. ^ Krehbiel-Burton, Lenzy (August 23, 2019). "Citing treaties, Cherokees call on Congress to seat delegate from tribe". Tulsa World. Tulsa, Oklahoma. Retrieved August 24, 2019.
  42. ^ Rosser, Ezra (7 Nov 2005). "The Nature of Representation: The Cherokee Right to a Congressional Delegate". Boston University Public Interest Law Journal. 15 (91): 91–152. SSRN 842647.
  43. ^ ""One Man, One Vote": Nelson Mandela on Voting Rights". American Civil Liberties Union. 11 December 2013. Retrieved 2019-09-28.
  44. ^ "One man, one vote in Indian forest". 2009-04-21. Retrieved 2019-09-28.
  45. ^ Ahluwalia, Sanjeev. "Some votes are more equal than others". ORF. Retrieved 2019-09-28.
  46. ^ W. Martin James III (2011). A Political History of the Civil War in Angola: 1974-1990. Transaction Publishers. p. X. ISBN 9781412815062.