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			Country
			 
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			Constitution 	
			 
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			| 
				Afghanistan
			 | 
			
			
			
			new constitution drafted 14 December 2003 - 4 January 2004; signed 16 January 2004 
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			| 
				Albania
			 | 
			
			
			
			a constitution was adopted by popular referendum on 28 November 1998 
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			| 
				Algeria
			 | 
			
			
			
			19 November 1976, effective 22 November 1976; revised 3 November 1988, 23 February 1989, and 28 November 1996 
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			| 
				American Samoa
			 | 
			
			
			
			ratified 1966, in effect 1967 
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				Andorra
			 | 
			
			
			
			Andorra's first written constitution was drafted in 1991; approved by referendum 14 March 1993; came into force 4 May 1993 
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			| 
				Angola
			 | 
			
			
			
			11 November 1975; revised 7 January 1978, 11 August 1980, 6 March 1991, and 26 August 1992; note - new constitution has not yet been approved 
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			| 
				Anguilla
			 | 
			
			
			
			Anguilla Constitutional Order 1 April 1982; amended 1990 
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				Antigua and Barbuda
			 | 
			
			
			
			1 November 1981 
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			| 
				Argentina
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			1 May 1853; revised August 1994 
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				Armenia
			 | 
			
			
			
			adopted by nationwide referendum 5 July 1995 
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			| 
				Aruba
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			1 January 1986 
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				Australia
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			9 July 1900, effective 1 January 1901 
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			| 
				Austria
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			1920; revised 1929 (reinstated 1 May 1945) 
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			| 
				Azerbaijan
			 | 
			
			
			
			adopted 12 November 1995 
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			| 
				Bahamas, The
			 | 
			
			
			
			10 July 1973 
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			| 
				Bahrain
			 | 
			
			
			
			adopted late December 2000; Bahrani voters approved on 13-14 February 2001 a referendum on legislative changes (revised constitution calls for a partially elected legislature, a constitutional monarchy, and an independent judiciary) 
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			| 
				Bangladesh
			 | 
			
			
			
			4 November 1972, effective 16 December 1972, suspended following coup of 24 March 1982, restored 10 November 1986, amended many times 
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				Barbados
			 | 
			
			
			
			30 November 1966 
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				Belarus
			 | 
			
			
			
			30 March 1994; revised by national referendum of 24 November 1996 giving the presidency greatly expanded powers and became effective 27 November 1996 
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			| 
				Belgium
			 | 
			
			
			
			7 February 1831, last revised 14 July 1993; parliament approved a constitutional package creating a federal state 
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			| 
				Belize
			 | 
			
			
			
			21 September 1981 
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			| 
				Benin
			 | 
			
			
			
			December 1990 
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			| 
				Bermuda
			 | 
			
			
			
			8 June 1968, amended 1989 and 2003 
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			| 
				Bhutan
			 | 
			
			
			
			no written constitution or bill of rights; note - in 2001 the King commissioned the drafting of a constitution, which is to become effective in 2005 
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			| 
				Bolivia
			 | 
			
			
			
			2 February 1967; revised in August 1994 
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			| 
				Bosnia and Herzegovina
			 | 
			
			
			
			the Dayton Agreement, signed 14 December 1995, included a new constitution now in force; note - each of the entities also has its own constitution 
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			| 
				Botswana
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			March 1965, effective 30 September 1966 
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			| 
				Brazil
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			5 October 1988 
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			| 
				British Virgin Islands
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			1 June 1977 
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				Brunei
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			29 September 1959 (some provisions suspended under a State of Emergency since December 1962, others since independence on 1 January 1984) 
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				Bulgaria
			 | 
			
			
			
			adopted 12 July 1991 
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			| 
				Burkina Faso
			 | 
			
			
			
			2 June 1991 approved by referendum; 11 June 1991 formally adopted; ammended April 2000 
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			| 
				Burma
			 | 
			
			
			
			3 January 1974 (suspended since 18 September 1988); national convention started on 9 January 1993 to draft a new constitution; progress has since been stalled 
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			| 
				Burundi
			 | 
			
			
			
			13 March 1992; provided for establishment of a plural political system; supplanted on 6 June 1998 by a Transitional Constitution which enlarged the National Assembly and created two vice presidents 
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				Cambodia
			 | 
			
			
			
			promulgated 21 September 1993 
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			| 
				Cameroon
			 | 
			
			
			
			20 May 1972 approved by referendum; 2 June 1972 formally adopted; revised January 1996 
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			| 
				Canada
			 | 
			
			
			
			17 April 1982 (Constitution Act); originally, the machinery of the government was set up in the British North America Act of 1867; charter of rights and unwritten customs 
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			| 
				Cape Verde
			 | 
			
			
			
			new constitution came into force 25 September 1992; underwent a major revision on 23 November 1995, substantially increasing the powers of the president, and a further revision in 1999, to create the position of national ombudsman (Provedor de Justica) 
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			| 
				Cayman Islands
			 | 
			
			
			
			1959, revised 1972 and 1992 
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			| 
				Central African Republic
			 | 
			
			
			
			passed by referendum 29 December 1994; adopted 7 January 1995 
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			| 
				Chad
			 | 
			
			
			
			passed by referendum 31 March 1996 
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			| 
				Chile
			 | 
			
			
			
			11 September 1980, effective 11 March 1981, amended 30 July 1989, 1993, and 1997 
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				China
			 | 
			
			
			
			most recent promulgation 4 December 1982 
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			| 
				Christmas Island
			 | 
			
			
			
			NA 
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			| 
				Cocos (Keeling) Islands
			 | 
			
			
			
			Cocos (Keeling) Islands Act of 1955 
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			| 
				Colombia
			 | 
			
			
			
			5 July 1991 
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				Comoros
			 | 
			
			
			
			23 December 2001 
			 
			
				note: a Transitional National Unity Government (GUNT) was formed on 20 January 2002 following the passing of the new constitution; the GUNT governed until the presidential elections on 14 April 2002 
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			| 
				Congo, Democratic Republic of the
			 | 
			
			
			
			a new constitution was adopted 17 July 2003 
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			| 
				Congo, Republic of the
			 | 
			
			
			
			constitution approved by referendum 20 January 2002 
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			| 
				Cook Islands
			 | 
			
			
			
			4 August 1965 
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			| 
				Costa Rica
			 | 
			
			
			
			7 November 1949 
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			| 
				Cote d'Ivoire
			 | 
			
			
			
			a new constitution was adopted 4 August 2000 
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			| 
				Croatia
			 | 
			
			
			
			adopted on 22 December 1990; revised 2000, 2001 
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			| 
				Cuba
			 | 
			
			
			
			24 February 1976, amended July 1992 and June 2002 
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			| 
				Cyprus
			 | 
			
			
			
			16 August 1960; negotiations to create the basis for a new or revised constitution to govern the island and to better relations between Greek and Turkish Cypriots have been held intermittently; in 1975 Turkish Cypriots created their own constitution and governing bodies within the "Turkish Federated State of Cyprus," which was renamed the "Turkish Republic of Northern Cyprus" in 1983; a new constitution for the Turkish Cypriot area passed by referendum on 5 May 1985 
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			| 
				Czech Republic
			 | 
			
			
			
			ratified 16 December 1992; effective 1 January 1993 
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			| 
				Denmark
			 | 
			
			
			
			5 June 1849 adoption of original constitution; a major overhaul of 5 June 1953 allowed for a unicameral legislature and a female chief of state 
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			| 
				Djibouti
			 | 
			
			
			
			multiparty constitution approved by referendum 4 September 1992 
				 | 
				
			
				
			
			
			
			| 
				Dominica
			 | 
			
			
			
			3 November 1978 
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			| 
				Dominican Republic
			 | 
			
			
			
			28 November 1966 
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			| 
				East Timor
			 | 
			
			
			
			22 March 2002 (based on the Portuguese model) 
				 | 
				
			
				
			
			
			
			| 
				Ecuador
			 | 
			
			
			
			10 August 1998 
				 | 
				
			
				
			
			
			
			| 
				Egypt
			 | 
			
			
			
			11 September 1971 
				 | 
				
			
				
			
			
			
			| 
				El Salvador
			 | 
			
			
			
			23 December 1983 
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			| 
				Equatorial Guinea
			 | 
			
			
			
			approved by national referendum 17 November 1991; amended January 1995 
				 | 
				
			
				
			
			
			
			| 
				Eritrea
			 | 
			
			
			
			the transitional constitution, decreed on 19 May 1993, was replaced by a new constitution adopted on 23 May 1997, but not yet implemented 
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			| 
				Estonia
			 | 
			
			
			
			adopted 28 June 1992 
				 | 
				
			
				
			
			
			
			| 
				Ethiopia
			 | 
			
			
			
			ratified December 1994; effective 22 August 1995 
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			| 
				Falkland Islands (Islas Malvinas)
			 | 
			
			
			
			3 October 1985; amended 1997 and 1998 
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			| 
				Faroe Islands
			 | 
			
			
			
			5 June 1953 (Danish constitution) 
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			| 
				Fiji
			 | 
			
			
			
			promulgated on 25 July 1990 and amended on 25 July 1997 to allow nonethnic Fijians greater say in government and to make multiparty government mandatory; entered into force 28 July 1998; note - the May 1999 election was the first test of the amended constitution and introduced open voting - not racially prescribed - for the first time at the national level 
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			| 
				Finland
			 | 
			
			
			
			1 March 2000 
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			| 
				France
			 | 
			
			
			
			28 September 1958, amended concerning election of president in 1962, amended to comply with provisions of 1992 EC Maastricht Treaty, 1996 Amsterdam Treaty, 2000 Treaty of Nice; amended to tighten immigration laws in 1993; amended to change the seven-year presidential term to a five-year term in 2000 
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			| 
				French Guiana
			 | 
			
			
			
			28 September 1958 (French Constitution) 
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			| 
				French Polynesia
			 | 
			
			
			
			28 September 1958 (French Constitution) 
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			| 
				Gabon
			 | 
			
			
			
			adopted 14 March 1991 
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			| 
				Gambia, The
			 | 
			
			
			
			24 April 1970; suspended July 1994; rewritten and approved by national referendum 8 August 1996; reestablished January 1997 
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			| 
				Georgia
			 | 
			
			
			
			adopted 17 October 1995 
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				Germany
			 | 
			
			
			
			23 May 1949, known as Basic Law; became constitution of the united German people 3 October 1990 
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			| 
				Ghana
			 | 
			
			
			
			approved 28 April 1992 
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			| 
				Gibraltar
			 | 
			
			
			
			30 May 1969 
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			| 
				Greece
			 | 
			
			
			
			11 June 1975; amended March 1986 and April 2001 
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			| 
				Greenland
			 | 
			
			
			
			5 June 1953 (Danish constitution) 
				 | 
				
			
				
			
			
			
			| 
				Grenada
			 | 
			
			
			
			19 December 1973 
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			| 
				Guadeloupe
			 | 
			
			
			
			28 September 1958 (French Constitution) 
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			| 
				Guam
			 | 
			
			
			
			Organic Act of 1 August 1950 
				 | 
				
			
				
			
			
			
			| 
				Guatemala
			 | 
			
			
			
			31 May 1985, effective 14 January 1986; note - suspended 25 May 1993 by former President SERRANO; reinstated 5 June 1993 following ouster of president; amended November 1993 
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			| 
				Guernsey
			 | 
			
			
			
			unwritten; partly statutes, partly common law and practice 
				 | 
				
			
				
			
			
			
			| 
				Guinea
			 | 
			
			
			
			23 December 1990 (Loi Fundamentale) 
				 | 
				
			
				
			
			
			
			| 
				Guinea-Bissau
			 | 
			
			
			
			16 May 1984, amended 4 May 1991, 4 December 1991, 26 February 1993, 9 June 1993, and 1996 
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			| 
				Guyana
			 | 
			
			
			
			6 October 1980 
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			| 
				Haiti
			 | 
			
			
			
			approved March 1987; suspended June 1988 with most articles reinstated March 1989; in October 1991 government claimed to be observing the constitution; returned to constitutional rule in October 1994 
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			| 
				Holy See (Vatican City)
			 | 
			
			
			
			new Fundamental Law promulgated by Pope John Paul II on 26 November 2000, effective 22 February 2001 (replaces the first Fundamental Law of 1929) 
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			| 
				Honduras
			 | 
			
			
			
			11 January 1982, effective 20 January 1982; amended 1995 
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			| 
				Hong Kong
			 | 
			
			
			
			Basic Law approved in March 1990 by China's National People's Congress is Hong Kong's "mini-constitution" 
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			| 
				Hungary
			 | 
			
			
			
			18 August 1949, effective 20 August 1949, revised 19 April 1972; 18 October 1989 revision ensured legal rights for individuals and constitutional checks on the authority of the prime minister and also established the principle of parliamentary oversight; 1997 amendment streamlined the judicial system 
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			| 
				Iceland
			 | 
			
			
			
			16 June 1944, effective 17 June 1944 
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			| 
				India
			 | 
			
			
			
			26 January 1950 
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			| 
				Indonesia
			 | 
			
			
			
			August 1945, abrogated by Federal Constitution of 1949 and Provisional Constitution of 1950, restored 5 July 1959 
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			| 
				Iran
			 | 
			
			
			
			2-3 December 1979; revised 1989 to expand powers of the presidency and eliminate the prime ministership 
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			| 
				Iraq
			 | 
			
			
			
			interim constitution signed 8 March 2004; note - new constitution to be drafted and ratified in 2005 referendum 
				 | 
				
			
				
			
			
			
			| 
				Ireland
			 | 
			
			
			
			29 December 1937; adopted 1 July 1937 by plebiscite 
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			| 
				Israel
			 | 
			
			
			
			no formal constitution; some of the functions of a constitution are filled by the Declaration of Establishment (1948), the Basic Laws of the parliament (Knesset), and the Israeli citizenship law 
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			| 
				Italy
			 | 
			
			
			
			passed 11 December 1947; effective 1 January 1948; amended many times 
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			| 
				Jamaica
			 | 
			
			
			
			6 August 1962 
				 | 
				
			
				
			
			
			
			| 
				Japan
			 | 
			
			
			
			3 May 1947 
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			| 
				Jersey
			 | 
			
			
			
			unwritten; partly statutes, partly common law and practice 
				 | 
				
			
				
			
			
			
			| 
				Jordan
			 | 
			
			
			
			8 January 1952 
				 | 
				
			
				
			
			
			
			| 
				Kazakhstan
			 | 
			
			
			
			adopted by national referendum 30 August 1995; first post-independence constitution was adopted 28 January 1993 
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			| 
				Kenya
			 | 
			
			
			
			12 December 1963, amended as a republic 1964; reissued with amendments 1979, 1983, 1986, 1988, 1991, 1992, 1997, and 2001 
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			| 
				Kiribati
			 | 
			
			
			
			12 July 1979 
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			| 
				Korea, North
			 | 
			
			
			
			adopted 1948, completely revised 27 December 1972, revised again in April 1992 and September 1998 
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			| 
				Korea, South
			 | 
			
			
			
			17 July 1948 
				 | 
				
			
				
			
			
			
			| 
				Kuwait
			 | 
			
			
			
			approved and promulgated 11 November 1962 
				 | 
				
			
				
			
			
			
			| 
				Kyrgyzstan
			 | 
			
			
			
			adopted 5 May 1993; note - amendment proposed by President AKAYEV and passed in a national referendum on 2 February 2003 significantly expands the powers of the president at the expense of the legislature 
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			| 
				Laos
			 | 
			
			
			
			promulgated 14 August 1991 
				 | 
				
			
				
			
			
			
			| 
				Latvia
			 | 
			
			
			
			15 February 1922; an October 1998 ammendment on Fundamental Human Rights replaced the 1991 Constitutional Law, which had supplemented the constitution 
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			| 
				Lebanon
			 | 
			
			
			
			23 May 1926, amended a number of times, most recently Charter of Lebanese National Reconciliation (Ta'if Accord) of October 1989 
				 | 
				
			
				
			
			
			
			| 
				Lesotho
			 | 
			
			
			
			2 April 1993 
				 | 
				
			
				
			
			
			
			| 
				Liberia
			 | 
			
			
			
			6 January 1986 
				 | 
				
			
				
			
			
			
			| 
				Libya
			 | 
			
			
			
			11 December 1969, amended 2 March 1977 
				 | 
				
			
				
			
			
			
			| 
				Liechtenstein
			 | 
			
			
			
			5 October 1921 
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			| 
				Lithuania
			 | 
			
			
			
			adopted 25 October 1992 
				 | 
				
			
				
			
			
			
			| 
				Luxembourg
			 | 
			
			
			
			17 October 1868, occasional revisions 
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			| 
				Macau
			 | 
			
			
			
			Basic Law, approved in March 1993 by China's National People's Congress, is Macau's "mini-constitution" 
				 | 
				
			
				
			
			
			
			| 
				Macedonia
			 | 
			
			
			
			adopted 17 November 1991, effective 20 November 1991 
			 
			
				note: in November of 2001, the Macedonian Assembly approved a series of new constitutional amendments strengthening minority rights 
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			| 
				Madagascar
			 | 
			
			
			
			19 August 1992 by national referendum 
				 | 
				
			
				
			
			
			
			| 
				Malawi
			 | 
			
			
			
			18 May 1994 
				 | 
				
			
				
			
			
			
			| 
				Malaysia
			 | 
			
			
			
			31 August 1957, amended 16 September 1963 
				 | 
				
			
				
			
			
			
			| 
				Maldives
			 | 
			
			
			
			adopted January 1998 
				 | 
				
			
				
			
			
			
			| 
				Mali
			 | 
			
			
			
			adopted 12 January 1992 
				 | 
				
			
				
			
			
			
			| 
				Malta
			 | 
			
			
			
			1964 constitution substantially amended on 13 December 1974 and again in 1987 
				 | 
				
			
				
			
			
			
			| 
				Man, Isle of
			 | 
			
			
			
			unwritten; note - The Isle of Man Constitution Act, 1961, does not embody the unwritten Manx Constitution 
				 | 
				
			
				
			
			
			
			| 
				Marshall Islands
			 | 
			
			
			
			1 May 1979 
				 | 
				
			
				
			
			
			
			| 
				Martinique
			 | 
			
			
			
			28 September 1958 (French Constitution) 
				 | 
				
			
				
			
			
			
			| 
				Mauritania
			 | 
			
			
			
			12 July 1991 
				 | 
				
			
				
			
			
			
			| 
				Mauritius
			 | 
			
			
			
			12 March 1968; amended 12 March 1992 
				 | 
				
			
				
			
			
			
			| 
				Mayotte
			 | 
			
			
			
			28 September 1958 (French Constitution) 
				 | 
				
			
				
			
			
			
			| 
				Mexico
			 | 
			
			
			
			5 February 1917 
				 | 
				
			
				
			
			
			
			| 
				Micronesia, Federated States of
			 | 
			
			
			
			10 May 1979 
				 | 
				
			
				
			
			
			
			| 
				Moldova
			 | 
			
			
			
			new constitution adopted 28 July 1994; replaces old Soviet constitution of 1979 
				 | 
				
			
				
			
			
			
			| 
				Monaco
			 | 
			
			
			
			17 December 1962 
				 | 
				
			
				
			
			
			
			| 
				Mongolia
			 | 
			
			
			
			12 February 1992 
				 | 
				
			
				
			
			
			
			| 
				Montserrat
			 | 
			
			
			
			present constitution came into force 19 December 1989 
				 | 
				
			
				
			
			
			
			| 
				Morocco
			 | 
			
			
			
			10 March 1972, revised 4 September 1992, amended (to create bicameral legislature) September 1996 
				 | 
				
			
				
			
			
			
			| 
				Mozambique
			 | 
			
			
			
			30 November 1990 
				 | 
				
			
				
			
			
			
			| 
				Namibia
			 | 
			
			
			
			ratified 9 February 1990; effective 12 March 1990 
				 | 
				
			
				
			
			
			
			| 
				Nauru
			 | 
			
			
			
			29 January 1968 
				 | 
				
			
				
			
			
			
			| 
				Nepal
			 | 
			
			
			
			9 November 1990 
				 | 
				
			
				
			
			
			
			| 
				Netherlands
			 | 
			
			
			
			adopted 1815; amended many times, last time 2002 
				 | 
				
			
				
			
			
			
			| 
				Netherlands Antilles
			 | 
			
			
			
			29 December 1954, Statute of the Realm of the Netherlands, as amended 
				 | 
				
			
				
			
			
			
			| 
				New Caledonia
			 | 
			
			
			
			28 September 1958 (French Constitution) 
				 | 
				
			
				
			
			
			
			| 
				New Zealand
			 | 
			
			
			
			consists of a series of legal documents, including certain acts of the UK and New Zealand Parliaments and The Constitution Act 1986 which is the principal formal charter 
				 | 
				
			
				
			
			
			
			| 
				Nicaragua
			 | 
			
			
			
			9 January 1987, with reforms in 1995 and 2000 
				 | 
				
			
				
			
			
			
			| 
				Niger
			 | 
			
			
			
			a new constitution was adopted 18 July 1999 
				 | 
				
			
				
			
			
			
			| 
				Nigeria
			 | 
			
			
			
			new constitution adopted May 1999 
				 | 
				
			
				
			
			
			
			| 
				Niue
			 | 
			
			
			
			19 October 1974 (Niue Constitution Act) 
				 | 
				
			
				
			
			
			
			| 
				Norfolk Island
			 | 
			
			
			
			Norfolk Island Act of 1979 
				 | 
				
			
				
			
			
			
			| 
				Northern Mariana Islands
			 | 
			
			
			
			Covenant Agreement effective 4 November 1986 and the Constitution of the Commonwealth of the Northern Mariana Islands effective 1 January 1978 
				 | 
				
			
				
			
			
			
			| 
				Norway
			 | 
			
			
			
			17 May 1814, modified in 1884 
				 | 
				
			
				
			
			
			
			| 
				Oman
			 | 
			
			
			
			none; note - on 6 November 1996, Sultan QABOOS issued a royal decree promulgating a new basic law which, among other things, clarifies the royal succession, provides for a prime minister, bars ministers from holding interests in companies doing business with the government, establishes a bicameral legislature, and guarantees basic civil liberties for Omani citizens 
				 | 
				
			
				
			
			
			
			| 
				Pakistan
			 | 
			
			
			
			10 April 1973, suspended 5 July 1977, restored with amendments 30 December 1985; suspended 15 October 1999, restored 31 December 2002 
				 | 
				
			
				
			
			
			
			| 
				Palau
			 | 
			
			
			
			1 January 1981 
				 | 
				
			
				
			
			
			
			| 
				Panama
			 | 
			
			
			
			11 October 1972; major reforms adopted 1978, 1983 and 1994 
				 | 
				
			
				
			
			
			
			| 
				Papua New Guinea
			 | 
			
			
			
			16 September 1975 
				 | 
				
			
				
			
			
			
			| 
				Paraguay
			 | 
			
			
			
			promulgated 20 June 1992 
				 | 
				
			
				
			
			
			
			| 
				Peru
			 | 
			
			
			
			31 December 1993 
				 | 
				
			
				
			
			
			
			| 
				Philippines
			 | 
			
			
			
			2 February 1987, effective 11 February 1987 
				 | 
				
			
				
			
			
			
			| 
				Pitcairn Islands
			 | 
			
			
			
			1838; reformed 1904 with additional reforms in 1940; further refined by the Local Government Ordinance of 1964 
				 | 
				
			
				
			
			
			
			| 
				Poland
			 | 
			
			
			
			adopted by the National Assembly 2 April 1997; passed by national referendum 25 May 1997; effective 17 October 1997 
				 | 
				
			
				
			
			
			
			| 
				Portugal
			 | 
			
			
			
			25 April 1976, revised 30 October 1982, 1 June 1989, 5 November 1992, and 3 September 1997 
				 | 
				
			
				
			
			
			
			| 
				Puerto Rico
			 | 
			
			
			
			ratified 3 March 1952; approved by US Congress 3 July 1952; effective 25 July 1952 
				 | 
				
			
				
			
			
			
			| 
				Qatar
			 | 
			
			
			
			provisional constitution enacted 19 April 1972; in July 1999 Amir HAMAD issued a decree forming a committee to draft a permanent constitution; in the 29 April 2003 referendum, 96.6% of Qatari voters approved the new constitution 
				 | 
				
			
				
			
			
			
			| 
				Reunion
			 | 
			
			
			
			28 September 1958 (French Constitution) 
				 | 
				
			
				
			
			
			
			| 
				Romania
			 | 
			
			
			
			8 December 1991; revision came into force 29 October 2003 
				 | 
				
			
				
			
			
			
			| 
				Russia
			 | 
			
			
			
			adopted 12 December 1993 
				 | 
				
			
				
			
			
			
			| 
				Rwanda
			 | 
			
			
			
			a new constitution was adopted 26 May 2003 
				 | 
				
			
				
			
			
			
			| 
				Saint Helena
			 | 
			
			
			
			1 January 1989 
				 | 
				
			
				
			
			
			
			| 
				Saint Kitts and Nevis
			 | 
			
			
			
			19 September 1983 
				 | 
				
			
				
			
			
			
			| 
				Saint Lucia
			 | 
			
			
			
			22 February 1979 
				 | 
				
			
				
			
			
			
			| 
				Saint Pierre and Miquelon
			 | 
			
			
			
			28 September 1958 (French Constitution) 
				 | 
				
			
				
			
			
			
			| 
				Saint Vincent and the Grenadines
			 | 
			
			
			
			27 October 1979 
				 | 
				
			
				
			
			
			
			| 
				Samoa
			 | 
			
			
			
			1 January 1962 
				 | 
				
			
				
			
			
			
			| 
				San Marino
			 | 
			
			
			
			8 October 1600; electoral law of 1926 serves some of the functions of a constitution 
				 | 
				
			
				
			
			
			
			| 
				Sao Tome and Principe
			 | 
			
			
			
			approved March 1990; effective 10 September 1990 
				 | 
				
			
				
			
			
			
			| 
				Saudi Arabia
			 | 
			
			
			
			governed according to Shari'a (Islamic law); the Basic Law that articulates the government's rights and responsibilities was introduced in 1993 
				 | 
				
			
				
			
			
			
			| 
				Senegal
			 | 
			
			
			
			a new constitution was adopted 7 January 2001 
				 | 
				
			
				
			
			
			
			| 
				Serbia and Montenegro
			 | 
			
			
			
			4 February 2003 
				 | 
				
			
				
			
			
			
			| 
				Seychelles
			 | 
			
			
			
			18 June 1993 
				 | 
				
			
				
			
			
			
			| 
				Sierra Leone
			 | 
			
			
			
			1 October 1991; subsequently amended several times 
				 | 
				
			
				
			
			
			
			| 
				Singapore
			 | 
			
			
			
			3 June 1959, amended 1965 (based on preindependence State of Singapore Constitution) 
				 | 
				
			
				
			
			
			
			| 
				Slovakia
			 | 
			
			
			
			ratified 1 September 1992, fully effective 1 January 1993; changed in September 1998 to allow direct election of the president; amended February 2001 to allow Slovakia to apply for NATO and EU membership 
				 | 
				
			
				
			
			
			
			| 
				Slovenia
			 | 
			
			
			
			adopted 23 December 1991, effective 23 December 1991 
				 | 
				
			
				
			
			
			
			| 
				Solomon Islands
			 | 
			
			
			
			7 July 1978 
				 | 
				
			
				
			
			
			
			| 
				Somalia
			 | 
			
			
			
			25 August 1979, presidential approval 23 September 1979 
			 
			
				note: the Transitional National Government formed in August 2000 had a three-year mandate to create a new constitution and hold elections, this goal was not achieved but the process is ongoing 
				 | 
				
			
				
			
			
			
			| 
				South Africa
			 | 
			
			
			
			10 December 1996; this new constitution was certified by the Constitutional Court on 4 December 1996, was signed by then President MANDELA on 10 December 1996, and entered into effect on 3 February 1997; it is being implemented in phases 
				 | 
				
			
				
			
			
			
			| 
				South Georgia and the South Sandwich Islands
			 | 
			
			
			
			adopted 3 October 1985 
				 | 
				
			
				
			
			
			
			| 
				Spain
			 | 
			
			
			
			6 December 1978, effective 29 December 1978 
				 | 
				
			
				
			
			
			
			| 
				Sri Lanka
			 | 
			
			
			
			adopted 16 August 1978 
				 | 
				
			
				
			
			
			
			| 
				Sudan
			 | 
			
			
			
			12 April 1973, suspended following coup of 6 April 1985; interim constitution of 10 October 1985 suspended following coup of 30 June 1989; new constitution implemented on 30 June 1998 partially suspended 12 December 1999 by President BASHIR 
				 | 
				
			
				
			
			
			
			| 
				Suriname
			 | 
			
			
			
			ratified 30 September 1987 
				 | 
				
			
				
			
			
			
			| 
				Swaziland
			 | 
			
			
			
			a constitution was adopted 14 November 2003 
				 | 
				
			
				
			
			
			
			| 
				Sweden
			 | 
			
			
			
			1 January 1975 
				 | 
				
			
				
			
			
			
			| 
				Switzerland
			 | 
			
			
			
			revision of Constitution of 1874 approved by the Federal Parliament 18 December 1998; adopted by referendum 18 April 1999; officially entered into force 1 January 2000 
				 | 
				
			
				
			
			
			
			| 
				Syria
			 | 
			
			
			
			13 March 1973 
				 | 
				
			
				
			
			
			
			| 
				Taiwan
			 | 
			
			
			
			25 December 1946, amended in 1992, 1994, 1997, 1999, and 2000 
				 | 
				
			
				
			
			
			
			| 
				Tajikistan
			 | 
			
			
			
			6 November 1994 
				 | 
				
			
				
			
			
			
			| 
				Tanzania
			 | 
			
			
			
			25 April 1977; major revisions October 1984 
				 | 
				
			
				
			
			
			
			| 
				Thailand
			 | 
			
			
			
			new constitution signed by King PHUMIPHON on 11 October 1997 
				 | 
				
			
				
			
			
			
			| 
				Togo
			 | 
			
			
			
			multiparty draft constitution approved by High Council of the Republic 1 July 1992; adopted by public referendum 27 September 1992 
				 | 
				
			
				
			
			
			
			| 
				Tokelau
			 | 
			
			
			
			administered under the Tokelau Islands Act of 1948, as amended in 1970 
				 | 
				
			
				
			
			
			
			| 
				Tonga
			 | 
			
			
			
			4 November 1875, revised 1 January 1967 
				 | 
				
			
				
			
			
			
			| 
				Trinidad and Tobago
			 | 
			
			
			
			1 August 1976 
				 | 
				
			
				
			
			
			
			| 
				Tunisia
			 | 
			
			
			
			1 June 1959; amended 12 July 1988 
				 | 
				
			
				
			
			
			
			| 
				Turkey
			 | 
			
			
			
			7 November 1982 
				 | 
				
			
				
			
			
			
			| 
				Turkmenistan
			 | 
			
			
			
			adopted 18 May 1992 
				 | 
				
			
				
			
			
			
			| 
				Turks and Caicos Islands
			 | 
			
			
			
			introduced 30 August 1976; suspended in 1986; restored and revised 5 March 1988 
				 | 
				
			
				
			
			
			
			| 
				Tuvalu
			 | 
			
			
			
			1 October 1978 
				 | 
				
			
				
			
			
			
			| 
				Uganda
			 | 
			
			
			
			8 October 1995; adopted by the interim, 284-member Constituent Assembly, charged with debating the draft constitution that had been proposed in May 1993; the Constituent Assembly was dissolved upon the promulgation of the constitution in October 1995 
				 | 
				
			
				
			
			
			
			| 
				Ukraine
			 | 
			
			
			
			adopted 28 June 1996 
				 | 
				
			
				
			
			
			
			| 
				United Arab Emirates
			 | 
			
			
			
			2 December 1971 (made permanent in 1996) 
				 | 
				
			
				
			
			
			
			| 
				United Kingdom
			 | 
			
			
			
			unwritten; partly statutes, partly common law and practice 
				 | 
				
			
				
			
			
			
			| 
				United States
			 | 
			
			
			
			17 September 1787, effective 4 March 1789 
				 | 
				
			
				
			
			
			
			| 
				Uruguay
			 | 
			
			
			
			27 November 1966, effective February 1967, suspended 27 June 1973, new constitution rejected by referendum 30 November 1980; two constitutional reforms approved by plebiscite 26 November 1989 and 7 January 1997 
				 | 
				
			
				
			
			
			
			| 
				Uzbekistan
			 | 
			
			
			
			new constitution adopted 8 December 1992 
				 | 
				
			
				
			
			
			
			| 
				Vanuatu
			 | 
			
			
			
			30 July 1980 
				 | 
				
			
				
			
			
			
			| 
				Venezuela
			 | 
			
			
			
			30 December 1999 
				 | 
				
			
				
			
			
			
			| 
				Vietnam
			 | 
			
			
			
			15 April 1992 
				 | 
				
			
				
			
			
			
			| 
				Virgin Islands
			 | 
			
			
			
			Revised Organic Act of 22 July 1954 
				 | 
				
			
				
			
			
			
			| 
				Wallis and Futuna
			 | 
			
			
			
			28 September 1958 (French Constitution) 
				 | 
				
			
				
			
			
			
			| 
				Yemen
			 | 
			
			
			
			16 May 1991; amended 29 September 1994 and February 2001 
				 | 
				
			
				
			
			
			
			| 
				Zambia
			 | 
			
			
			
			24 August 1991 
				 | 
				
			
				
			
			
			
			| 
				Zimbabwe
			 | 
			
			
			
			21 December 1979  		
 |