federal state

Belize
21 September 1981

Benin
December 1990

Bermuda
8 June 1968; amended 1989 and 2003

Bhutan
no written constitution or bill of rights; note - in 2001 the
King commissioned the drafting of a constitution, and in November
2004 presented a draft to the Council of Ministers; now awaiting
referendum

Bolivia
2 February 1967; revised in August 1994

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

Botswana
March 1965, effective 30 September 1966

Brazil
5 October 1988

British Virgin Islands
1 June 1977

Brunei
29 September 1959 (some provisions suspended under a State of
Emergency since December 1962, others since independence on 1
January 1984)

Bulgaria
adopted 12 July 1991

Burkina Faso
2 June 1991 approved by referendum, 11 June 1991
formally adopted; amended April 2000

Burma
3 January 1974; suspended since 18 September 1988; national
convention convened in 1993 to draft a new constitution but
collapsed in 1996; reconvened in 2004 but does not include
participation of democratic opposition

Burundi
13 March 1992; provided for establishment of a plural
political system; supplanted on 20 October 2004 by a provisional
constitution approved by the parliament which extended the
transition; a 28 February 2005 popular referendum ratified the new
constitution which set ethnic quotas for government positions, and
tentatively scheduled general elections for April 2005

Cambodia
promulgated 21 September 1993

Cameroon
20 May 1972 approved by referendum, 2 June 1972 formally
adopted; revised January 1996

Canada
made up of unwritten and written acts, customs, judicial
decisions, and traditions; the written part of the constitution
consists of the Constitution Act of 29 March 1867, which created a
federation of four provinces, and the Constitution Act of 17 April
1982, which transferred formal control over the constitution from
Britain to Canada, and added a Canadian Charter of Rights and
Freedoms as well as procedures for constitutional amendments

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 positi