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Constitutional monarchy is a form of government in which a monarch acts as head of state within the guidelines of a constitution, whether it be a written, uncodified, or blended constitution. This form of government differs from absolute monarchy in which an absolute monarch serves as the source of power in the state and is not legally bound by any constitution and has the powers to regulate his or her respective government.
Most constitutional monarchies employ a parliamentary system in which the monarch may have strictly ceremonial duties or may have reserve powers, depending on the constitution. Under most modern constitutional monarchies there is also a prime minister who is the head of government and exercises effective political power. There also exist today several federal constitutional monarchies. In these countries, each subdivision has a distinct government and head of government, but all subdivisions share a monarch who is head of state of the federation as a united whole.
Contemporary constitutional monarchies include: Andorra, Antigua and Barbuda, Australia, The Bahamas, Barbados, Belgium, Belize, Bhutan, Bahrain, Cambodia, Canada, Denmark, Grenada, Jamaica, Japan, Jordan, Kuwait, Liechtenstein, Lesotho, Luxembourg, Malaysia, Monaco, Morocco, Netherlands, New Zealand, Norway, Papua New Guinea, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, Solomon Islands, Spain, Sweden, Thailand, Tonga, Tuvalu, United Arab Emirates, and the United Kingdom of Great Britain and Northern Ireland.
Constitutional and absolute monarchy 
In England, the Glorious Revolution of 1688 led to a constitutional English monarchy restricted by laws such as the Bill of Rights 1689 and the Act of Settlement 1701, although limits on the power of the monarch ('a limited monarchy') are much older than that (see Magna Carta). At the same time, in Scotland, the Convention of Estates enacted the Claim of Right Act 1689 which placed similar limits on the Scottish monarchy. With the Hanoverian accession in Britain onwards, monarchs saw their powers pass further to their ministers, and Royal neutrality in politics became cemented from around the start of the reign of Queen Victoria (though she had her personal favorites) and enlargements to the franchise. Today, the role is by convention effectively ceremonial. Instead, the British Parliament and the Government - chiefly in the office of Prime Minister - exercise their powers under 'Royal (or Crown) Prerogative': on behalf of the Monarch and through powers still formally possessed by the Monarch. No person may accept significant public office without swearing an oath of allegiance to the Queen. Constitutional monarchy occurred first in continental Europe, briefly in the early years of the French revolution, but much more widely afterwards. Napoleon Bonaparte is considered the first monarch proclaiming himself as an embodiment of the nation, rather than as a divinely-appointed ruler; this interpretation of monarchy is germane to continental constitutional monarchies. G.W.F. Hegel, in his Elements of the Philosophy of Right (1820), gave it a philosophical justification that concurred with evolving contemporary political theory and the Protestant Christian view of natural law. Hegel's forecast of a constitutional monarch with very limited powers whose function is to embody the national character and provide constitutional continuity in times of emergency was reflected in the development of constitutional monarchies in Europe and Japan. His forecast of the form of government suitable to the modern world may be seen as prophetic: the largely ceremonial offices of president in some modern parliamentary republics in Europe and e.g. Israel can be perceived as elected or appointed versions of Hegel's constitutional monarch; the Russian and French presidents, with their stronger powers, may also be regarded in Hegelian terms as wielding powers suitable to the embodiment of the national will.
Executive monarchy versus Ceremonial monarchy 
There exist at least two different types of constitutional monarchies in the modern world - executive and ceremonial. In executive monarchies, the monarch wields significant (though not absolute) power. The monarchy under this system of government is a powerful political (and social) institution. By contrast, in ceremonial monarchies, the monarch holds little actual power or direct political influence.
Ceremonial monarchies: Andorra, Antigua and Barbuda, Australia, The Bahamas, Barbados, Belgium, Belize, Cambodia, Canada, Denmark, Grenada, Jamaica, Japan, Lesotho, Luxembourg, Malaysia, Netherlands, New Zealand, Norway, Papua New Guinea, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, Solomon Islands, Spain, Sweden, Thailand, Tuvalu, and the United Kingdom of Great Britain and Northern Ireland.
Ceremonial and executive monarchy, should not be confused with democratic and non-democratic monarchical systems. Cambodia has a ceremonial monarchy, yet its political system is not democratic. By contrast, Kuwait, Liechtenstein and Monaco are considered democratic states, yet the ruling monarchs in these countries wield significant executive power.
Modern constitutional monarchy 
As originally conceived, a constitutional monarch was head of the executive branch and quite a powerful figure, even though his or her power was limited by the constitution and the elected parliament. Some of the framers of the US Constitution may have envisaged the president as an elected constitutional monarch, as the term was then understood, following Montesquieu's account of the separation of powers.
The present-day concept of a constitutional monarchy developed in the United Kingdom, where the democratically elected parliaments, and their leader, the prime minister, exercise power, with the monarchs having ceded power and remaining as a titular position. In many cases the monarchs, while still at the very top of the political and social hierarchy, were given the status of "servants of the people" to reflect the new, egalitarian position. In the course of France's July Monarchy, Louis-Philippe I was styled "King of the French" rather than "King of France".
Following the Unification of Germany, Otto von Bismarck rejected the British model. In the constitutional monarchy established under the Constitution of the German Empire which Bismarck inspired, the Kaiser retained considerable actual executive power, while the Imperial Chancellor needed no parliamentary vote of confidence and ruled solely by the imperial mandate. However this model of constitutional monarchy was discredited and abolished following Germany's defeat in the First World War. Later, Fascist Italy could also be considered as a "constitutional monarchy" of a kind, in that there was a king as the titular head of state while actual power was held by Benito Mussolini under a constitution. This eventually discredited the Italian monarchy and led to its abolition in 1946. After the Second World War, surviving European monarchies almost invariably adopted some variant of the constitutional monarchy model originally developed in Britain.
Nowadays a parliamentary democracy that is a constitutional monarchy is considered to differ from one that is a republic only in detail rather than in substance. In both cases, the titular head of state - monarch or president - serves the traditional role of embodying and representing the nation, while the government is carried on by a cabinet composed predominantly of elected Members of Parliament.
However, three important factors distinguish monarchies such as the United Kingdom from systems where greater power might otherwise rest with Parliament. These are: the Royal Prerogative under which the monarch may exercise power under certain very limited circumstances; Sovereign Immunity under which they are considered to have done no wrong under the law, and may avoid both taxation and planning permission, for example; and considerable ceremonial power where the executive, judiciary, police and armed forces owe allegiance to the Crown.
Today slightly more than a quarter of constitutional monarchies are Western European countries, including the United Kingdom, Netherlands, Belgium, Norway, Denmark, Spain, Luxembourg, Monaco, Liechtenstein, and Sweden. However, the two most populous constitutional monarchies in the world are in Asia: Japan and Thailand. In these countries the prime minister holds the day-to-day powers of governance, while the King or Queen (or other monarch, such as a Grand Duke, in the case of Luxembourg, or Prince in the case of Monaco and Liechtenstein) retains residual (but not always insignificant) powers. The powers of the monarch differ between countries. In the Netherlands, Denmark and in Belgium, for example, the Monarch formally appoints a representative to preside over the creation of a coalition government following a parliamentary election, while in Norway the King chairs special meetings of the cabinet.
In nearly all cases, the monarch is still the nominal chief executive, but is bound by constitutional convention to act on the advice of the Cabinet. Only a few monarchies (most notably Japan and Sweden) have amended their constitutions so that the monarch is no longer even the nominal chief executive.
A major grouping of constitutional monarchies comprises the sixteen Commonwealth realms under Elizabeth II. Unlike some of their continental European counterparts, the Monarch and her Governors-General in the Commonwealth realms hold significant "reserve" or "prerogative" powers, to be wielded in times of extreme emergency or constitutional crises, usually to uphold parliamentary government. An instance of a Governor-General exercising such power occurred during the 1975 Australian constitutional crisis, when the Australian Prime Minister, Gough Whitlam, was dismissed by the Governor-General. The Australian senate had threatened to block the Government's budget by refusing to pass the necessary appropriation bills. On 11 November 1975, Whitlam intended to call a half-Senate election in an attempt to break the deadlock. When he sought the Governor-General's approval of the election, the Governor-General instead dismissed him as Prime Minister, and shortly thereafter installed leader of the opposition Malcolm Fraser in his place. Acting quickly before all parliamentarians became aware of the change of government, Fraser and his allies secured passage of the appropriation bills, and the Governor-General dissolved Parliament for a double dissolution election. Fraser and his government were returned with a massive majority. This led to much speculation among Whitlam's supporters as to whether this use of the Governor-General's reserve powers was appropriate, and whether Australia should become a republic. Among supporters of constitutional monarchy, however, the experience confirmed the value of the monarchy as a source of checks and balances against elected politicians who might seek powers in excess of those conferred by the constitution, and ultimately as a safeguard against dictatorship.
In Thailand's constitutional monarchy, the monarch is recognized as the Head of State, Head of the Armed Forces, Upholder of the Buddhist Religion, and Defender of the Faith. The current King, Bhumibol Adulyadej, is the longest reigning current monarch in the world and in all of Thailand's history. Bhumibol has reigned through several political changes in the Thai government. He has played an influential role in each incident, often acting as mediator between disputing political opponents. (See Bhumibol's role in Thai Politics.) Among the powers retained by the monarch under the constitution, lèse majesté protects the image of the monarch and enables him to play a role in politics. It carries strict criminal penalties for violators. Generally, the Thai people are reverent of Bhumibol. Much of his social influence arises from this reverence and from the socio-economic improvement efforts undertaken by the royal family.
In both the United Kingdom and elsewhere, a frequent debate centres around when it is appropriate for a monarch to use his or her political powers. When a monarch does act, political controversy can often ensue, partially because the neutrality of the crown is seen to be compromised in favour of a partisan goal, while some political scientists champion the idea of an "interventionist monarch" as a check against possible illegal action by politicians. There are currently 44 monarchies, and most of them are constitutional monarchies.
Constitutional monarchies with representative parliamentary systems are shown in green. Other constitutional monarchies are shown in light green.
List of current reigning monarchies 
|State||Last constitution established||Type of monarchy||Monarch selection|
|Andorra||1993||Co-Principality||Selection of Bishop of La Seu d'Urgell and election of French President|
|Antigua and Barbuda||1981||Kingdom||Hereditary succession|
|Australia||1901||Constitutional Monarchy and Federal Parliamentary Democracy||Hereditary succession|
|The Bahamas||1973||Kingdom||Hereditary succession|
|Belgium||1831||Kingdom; Popular monarchy[b]|
|Cambodia||1993||Kingdom||Chosen by throne council|
|Canada||1867||Constitutional Monarchy and Federal Parliamentary Democracy||Hereditary succession|
|Denmark||1953||Constitutional Monarchy and Parliamentary Democracy||Hereditary succession|
|Kuwait||1962||Emirate||Hereditary succession, with directed approval of the House of Al-Sabah and majority of National Assembly|
|Lesotho||1993||Kingdom||Hereditary succession directed approval of College of Chiefs|
|Liechtenstein||1862||Principality; Mixture of absolute and constitutional principality|
|Malaysia||1957||Elective monarchy; Federal monarchy||Selected from nine hereditary Sultans of the Malay states|
|Morocco||2011||Unitary parliamentary constitutional Monarchy||Hereditary succession|
|New Zealand||1907||Constitutional Monarchy and Parliamentary Democracy||Hereditary succession|
|Papua New Guinea||1975||Kingdom||Hereditary succession|
|Saint Kitts and Nevis||1983||Kingdom||Hereditary succession|
|Saint Lucia||1979||Kingdom||Hereditary succession|
|Saint Vincent and the Grenadines||1979||Kingdom||Hereditary succession|
|Solomon Islands||1978||Kingdom||Hereditary succession|
|Swaziland||1968||Kingdom; Mixture of absolute and constitutional monarchy||Hereditary succession|
|Thailand||1946||Constitutional Monarchy and Parliamentary Democracy||Hereditary succession|
|United Arab Emirates||1971||Elective monarchy; Constitutional federation of absolute monarchies||President elected by the seven absolute monarchs constituting the Federal Supreme Council|
|United Kingdom||1688||Constitutional Monarchy and Parliamentary Democracy||Hereditary succession|
Former monarchies 
- The Anglo-Corsican Kingdom was a brief period in the history of Corsica (1794–1796) when the island broke with Revolutionary France and sought military protection from Great Britain. Corsica became an independent kingdom under George III of the United Kingdom, but with its own elected parliament and a written constitution guaranteeing local autonomy and democratic rights.
- Brazil from 1815 (United Kingdom of Portugal, Brazil and Algarves) until 1822, with the proclamation of independence and rise of the Empire of Brazil by Pedro I of Brazil. The empire ended in 1889, when Pedro II was deposed by a military coup.
- Kingdom of Bulgaria until 1946 when Tsar Simeon was deposed by the communist assembly.
- The Chinese Empire. Last Imperial Chinese rule was by the Qing Dynasty 1644–1912, which was overthrown following the Xinhai Revolution, when the Empress Dowager Longyu abdicated on behalf of the last emperor, Puyi, on February 12, 1912.
- Many Commonwealth republics were constitutional monarchies for some period after their independence.
- The Grand Principality of Finland was a constitutional monarchy though its ruler, Alexander I, was simultaneously an autocrat and absolute ruler in Russia.
- France, several times during the 19th century. Napoléon Bonaparte proclaimed himself Emperor of the French in what was ostensibly a constitutional monarchy, though modern historians often class his reign as a military dictatorship. The Bourbon Restoration (under Louis XVIII and Charles X), the July Monarchy (under Louis-Philippe), and the Second Empire (under Napoleon III) were also constitutional monarchies, although the power of the monarch varied considerably between them.
- The German Empire from 1871 to 1918, (as well as earlier confederations, and the monarchies it consisted of) was also a constitutional monarchy—see Constitution of the German Empire.
- Greece until 1973 when Constantine II was deposed by the military government. The decision was formalised by a plebiscite December 8, 1974.
- The Emperor of Ethiopia was the hereditary ruler of Ethiopia until the abolition of the monarchy in 1974.
- Hawaii was a constitutional monarchy from the unification of the smaller independent chiefdoms of Oʻahu, Maui, Molokaʻi, Lānaʻi, and Hawaii (or the "Big Island") in 1810 until 1893.
- The Kingdom of Hungary. In 1848–1849 and 1867–1918 as part of Austria-Hungary. In the interwar period (1920–1944) Hungary remained a constitutional monarchy without a reigning monarch.
- Iceland The Act of Union, a December 1, 1918 agreement with Denmark, established Iceland as a sovereign kingdom united with Denmark under a common king. Iceland abolished the monarchy and became a republic on June 17, 1944 after the Icelandic constitutional referendum, May 24, 1944.
- Prior to the Iranian Revolution in 1979, Iran under Mohammad Reza Shah Pahlavi was a constitutional monarchy, which had been originally established during the Persian Constitutional Revolution in 1906.
- Italy until June 2, 1946, when a referendum proclaimed the end of the Kingdom and the beginning of the Republic.
- The Korean Empire from 1897 to 1910 was an empire that succeeded the Joseon Dynasty that ruled the nation over the past 500 years. On August 22, 1910, the Korean Empire was annexed by Japan with the Japan-Korea Annexation Treaty, beginning a 35-year period of Korea under Japanese rule.
- The Kingdom of Laos was a constitutional monarchy until 1975, when Sisavang Vatthana was forced to abdicate by the communist Pathet Lao.
- Mexico was twice an Empire. The First Mexican Empire was from July 21, 1822, to March 19, 1823, with Agustín de Iturbide serving as emperor. Then, with the help of the Austrian and Spanish crowns, Napoleon III of France installed Maximilian of Habsburg as Emperor of Mexico. This attempt to create a European-style monarchy lasted three years, from 1864 to 1867.
- Montenegro until 1918 when it merged with Serbia and other areas to form Yugoslavia.
- Kingdom of Mysore
- Nepal until May 28, 2008, when King Gyanendra was deposed, and the Federal Democratic Republic of Nepal was declared.
- The Polish-Lithuanian Commonwealth, formed after the Union of Lublin in 1569 and lasting until the final partition of the state in 1795, operated much like many modern European constitutional monarchies (into which it was officially changed by the establishment of the Constitution of May 3, 1791, which historian Norman Davies calls "the first constitution of its kind in Europe"). The legislators of the unified state truly did not see it as a monarchy at all, but as a republic under the presidency of the King. Poland-Lithuania also followed the principle of "Rex regnat et non gubernat", had a bicameral parliament, and a collection of entrenched legal documents amounting to a constitution along the lines of the modern United Kingdom. The King was elected, and had the duty of maintaining the people's rights.
- Portugal from 1139 until 1910, when Manuel II was overthrown by a military coup.
- Kingdom of Romania until 1947 when Michael I was forced to abdicate at gunpoint by the communists.
- Kingdom of Serbia until 1918, when it merged with the State of Slovenes, Croats and Serbs into the unitary Yugoslav Kingdom, that was led by the Serbian Karadjordjevic dynasty.
- The West African Songhai Empire was considered a powerful constitutional monarchy before annexation by Morocco and later France, when it became a colony and presently, a secular Sufist republic.
- Yugoslavia until 1945 when Peter II was deposed by the communist government.
Other situations 
- Andorra is the only monarchy where the head of state is vested jointly in two individuals: co-princes (Bishop of Urgell, President of France)
- Andorra, Monaco and Liechtenstein are the only countries with a reigning Prince.
- Japan is the only country with a reigning Emperor.
- Luxembourg is the only country with a reigning Grand Duke.
See also 
- The terms crowned republic and parliamentary monarchy are used by some sources to distinguish one type of constitutional monarchy from another, but because the terms have no widely adopted meanings, different authorities define the terms in such a way that the definitions may overlap between publications. While the Australian Republic Advisory Committee used the term crowned republic to describe a constitutional monarchy where the monarch's role is ceremonial and all the royal prerogatives are prescribed by custom and law in such a way that the monarch has little or no discretion over governmental and constitutional issues (and with it have framed the usage of the term in Australia) (Patmore 2009, p. 105), parliamentary monarchy has been used to describe both a system where the monarch's powers are restricted (as in a crowned republic) (Schmitt 2008, pp. 313–314), and also where the powers of the monarch are less constrained by custom than is true of most modern European constitutional monarchies (Orr 2002, p. 3).
- Belgium is the only existing popular monarchy — a system in which the monarch's title is linked to the people rather than a state. The title of Belgian kings is not King of Belgium, but instead King of the Belgians. Another unique feature of the Belgian system is that the new monarch does not automatically assume the throne at the death or abdication of his predecessor; he only becomes monarch upon taking a constitutional oath.
||This includes a list of references, but its sources remain unclear because it has insufficient inline citations. (August 2007)|
- Boyce 2008, p. 1.
- McCannon 2006, pp. 177–178.
- "What is constitutional monarchy?". Official website of the British Monarchy. Retrieved 11 March 2010.
- "Monarchy - Background". politics.co.UK. Retrieved 13 September 2011.
- "Crown Prerogative". Official website of the UK Parliament. Retrieved 13 September 2011.
- RESEARCH PAPER 01/116
- Baron de Montesquieu, The Spirit of Laws. Legal Classics Library, 1924.
- "Website of the British Monarchy: What is a Commonwealth realm?". Retrieved 19 September 2010.
- "A Royal Occasion speeches". Worldhop.com Journal. 1996. Retrieved 2006-07-05.
- Davies, Norman (1996). Europe: A History. Oxford University Press. p. 699. ISBN 0-19-820171-0.
- Boyce, Peter (2008). The Queen's Other Realms. Annandale: Federation Press. p. 1. ISBN 978-1-86287-700-9.
- Hegel, G. W. F., Elements of the Philosophy of Right (Allen W. Wood, ed., H.B. Nisbet, trans.) Cambridge University Press, 1991. ISBN 0-521-34438-7 (originally published as Georg Friedrich Wilhelm Hegel, Philosophie des Rechts, 1820).
- Locke, John, Two Treatises of Government and A Letter Concerning Toleration. (Ian Shapiro, ed., with essays by John Dunn, Ruth W. Grant and Ian Shapiro.) New Haven: Yale University Press, 2003 (Two Treatises first pub. 1690). ISBN 0-300-10017-5.
- McCannon, John (2006), Barron's how to Prepare for the AP World History Examination (2nd, illustrated ed.), Barron's Educational Serie, pp. 177–178, ISBN 9780764132711 — England and the Netherlands in the 17th and 18th centuries were parliamentary democracies.
- Orr, Campbell, ed. (2002), Queenship in Britain, 1660-1837: Royal Patronage, Court Culture, and Dynastic Politics (illustrated ed.), Manchester University Press, p. 3, ISBN 9780719057694
- Patmore, Glenn (2009), Choosing the Republic, University of New South Wales (UNSW) Press, p. 105, ISBN 1-74223-015-6
- Schmitt, Carl (2008) , Seitzer, Jeffrey (translator), ed., Constitutional Theory (illustrated ed.), Duke University Press, pp. 313–314, ISBN 9780822340119