Saint Barthelemy
none (overseas collectivity of France)
Saint Helena, Ascension, and Tristan da Cunha none (overseas territory of the UK)
Saint Kitts and Nevis
19 September 1983 (from the UK)
Saint Lucia
22 February 1979 (from the UK)
Saint Martin
none (overseas collectivity of France)
Saint Pierre and Miquelon none (territorial collectivity of France; has been under French control since 1763)
Saint Vincent and the Grenadines
27 October 1979 (from the UK)
Samoa
1 January 1962 (from New Zealand-administered UN trusteeship)
San Marino
3 September 301
Sao Tome and Principe
12 July 1975 (from Portugal)