Mali:
adopted 12 January 1992

Malta:
1964 constitution substantially amended on 13 December 1974

Man, Isle of:
unwritten; note - The Isle of Man Constitution Act,
1961, does not embody the Manx Constitution

Marshall Islands:
1 May 1979

Martinique:
28 September 1958 (French Constitution)

Mauritania:
12 July 1991

Mauritius:
12 March 1968; amended 12 March 1992

Mayotte:
28 September 1958 (French Constitution)

Mexico:
5 February 1917

Micronesia, Federated States of:
10 May 1979