word | | Independence |
| Coalition | Iraq | 3 October 1932 (from League of Nations mandate under British administration); note - on 28 June 2004 the Coalition Provisional Authority transferred sovereignty to the Iraqi Interim Government |
| collectivity | Mayotte | none (territorial overseas collectivity of France) |
| collectivity | Saint Barthelemy | none (overseas collectivity of France) |
| collectivity | Saint Martin | none (overseas collectivity of France) |
| collectivity | Saint Pierre and Miquelon | none (territorial collectivity of France; has been under French control since 1763) |
| Colombia | Panama | 3 November 1903 (from Colombia; became independent from Spain on 28 November 1821) |
| colonies | Australia | 1 January 1901 (from the federation of UK colonies) |
| colonies | Canada | 1 July 1867 (union of British North American colonies); 11 December 1931 (recognized by UK per Statute of Westminster) |
| colonies | South Africa | 31 May 1910 (Union of South Africa formed from four British colonies: Cape Colony, Natal, Transvaal, and Orange Free State); 31 May 1961 (republic declared); 27 April 1994 (majority rule) |
| colonized | Thailand | 1238 (traditional founding date; never colonized) |
| Colony | South Africa | 31 May 1910 (Union of South Africa formed from four British colonies: Cape Colony, Natal, Transvaal, and Orange Free State); 31 May 1961 (republic declared); 27 April 1994 (majority rule) |
| commemorates | Bangladesh | 16 December 1971 (from West Pakistan); note - 26 March 1971 is the date of independence from West Pakistan, 16 December 1971 is known as Victory Day and commemorates the official creation of the state of Bangladesh |
| Commonwealth | Lithuania | 11 March 1990 (declared); 6 September 1991 (recognized by the Soviet Union); notable earlier dates: 6 July 1253 (coronation of Mindaugas, traditional founding date), 1 July 1569 (Polish-Lithuanian Commonwealth created) |
| commonwealth | Northern Mariana Islands | none (commonwealth in political union with the US) |