Anguilla
Anguilla Constitutional Order 1 April 1982; amended 1990
Antigua and Barbuda
1 November 1981
Argentina
1 May 1853; revised August 1994
Armenia
adopted by nationwide referendum 5 July 1995
Aruba
1 January 1986
Australia
9 July 1900, effective 1 January 1901
Austria
1920; revised 1929 (reinstated 1 May 1945)
Azerbaijan
adopted 12 November 1995
Bahamas, The
10 July 1973
Bahrain
new constitution 14 February 2002