Afghanistan:
none

Albania:
a new constitution was adopted by popular referendum on 28
November 1998; note - the opposition Democratic Party boycotted the
vote

Algeria:
19 November 1976, effective 22 November 1976; revised 3
November 1988, 23 February 1989, and 28 November 1996; note -
referendum approving the revisions of 28 November 1996 was signed
into law 7 December 1996

American Samoa:
ratified 1966, in effect 1967

Andorra:
Andorra's first written constitution was drafted in 1991;
approved by referendum 14 March 1993; came into force 4 May 1993

Angola:
11 November 1975; revised 7 January 1978, 11 August 1980, 6
March 1991, and 26 August 1992

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