Mali:
22 September 1960 (from France)

Malta:
21 September 1964 (from UK)

Man, Isle of:
none (British crown dependency)

Marshall Islands: 21 October 1986 (from the US-administered UN trusteeship)

Martinique:
none (overseas department of France)

Mauritania:
28 November 1960 (from France)

Mauritius:
12 March 1968 (from UK)

Mayotte:
none (territorial collectivity of France)

Mexico:
16 September 1810 (from Spain)

Micronesia, Federated States of:
3 November 1986 (from the
US-administered UN Trusteeship)