Burundi
28 February 2005; ratified by popular referendum

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; a 1999 revision created the
position of national ombudsman (Provedor de Justica)

Cayman Islands
1959; revised 1962, 1972, and 1994

Central African Republic
ratified by popular referendum 5 December
2004; effective 27 December 2004

Chad
passed by referendum 31 March 1996; a June 2005 referendum
removed constitutional term limits

Chile
11 September 1980, effective 11 March 1981; amended 1989,
1991, 1997, 1999, 2000, 2003, and 2005

China
most recent promulgation 4 December 1982