| Country | Independence |
| Georgia | 9 April 1991 (from the Soviet Union); notable earlier date: A.D. 1008 (Georgia unified under BAGRAT III) |
| Germany | 18 January 1871 (German Empire unification); divided into four zones of occupation (UK, US, USSR, and France) in 1945 following World War II; Federal Republic of Germany (FRG or West Germany) proclaimed on 23 May 1949 and included the former UK, US, and French zones; German Democratic Republic (GDR or East Germany) proclaimed on 7 October 1949 and included the former USSR zone; West Germany and East Germany unified on 3 October 1990; all four powers formally relinquished rights on 15 March 1991; notable earlier dates: 10 August 843 (Eastern Francia established from the division of the Carolingian Empire); 2 February 962 (crowning of OTTO I, recognized as the first Holy Roman Emperor) |
| Ghana | 6 March 1957 (from the UK) |
| Gibraltar | none (overseas territory of the UK) |
| Greece | 1829 (from the Ottoman Empire) |
| Greenland | none (extensive self-rule as part of the Kingdom of Denmark; foreign affairs is the responsibility of Denmark, but Greenland actively participates in international agreements relating to Greenland) |
| Grenada | 7 February 1974 (from the UK) |
| Guam | none (territory of the US) |
| Guatemala | 15 September 1821 (from Spain) |
| Guernsey | none (British crown dependency) |
| Guinea | 2 October 1958 (from France) |
| Guinea-Bissau | 24 September 1973 (declared); 10 September 1974 (from Portugal) |
| Guyana | 26 May 1966 (from the UK) |