Bolivia
7 February 2009
Bosnia and Herzegovina
the Dayton Peace Accords, signed on 14
December 1995 in Paris, included a constitution; note - each of the
entities also has its own constitution
Botswana
March 1965; effective 30 September 1966
Brazil
5 October 1988
British Virgin Islands
13 June 2007
Brunei
29 September 1959 (some provisions suspended under a State of
Emergency since December 1962, others since independence on 1
January 1984)
Bulgaria
adopted on 12 July 1991
Burkina Faso
approved by referendum 2 June 1991; formally adopted 11
June 1991; last amended January 2002
Burma
3 January 1974; suspended since 18 September 1988; a
constitution officially received 92.48% support in a flawed May 2008
referendum that most observers judged fell far short of
international standards of free and fair elections; note - a new
constitution is to take effect when a parliament is convened
possibly in late January 2011
Burundi
ratified by popular referendum 28 February 2005