Indonesia
17 August 1945 (proclaimed independence; on 27 December
1949, Indonesia became legally independent from the Netherlands)
Iran
1 April 1979 (Islamic Republic of Iran proclaimed)
Iraq
3 October 1932 (from League of Nations mandate under British
administration)
Ireland
6 December 1921 (from UK by treaty)
Israel
14 May 1948 (from League of Nations mandate under British
administration)
Italy
17 March 1861 (Kingdom of Italy proclaimed; Italy was not
finally unified until 1870)
Jamaica
6 August 1962 (from UK)
Japan
660 BC (traditional founding by Emperor Jimmu)
Jersey
none (British crown dependency)
Jordan
25 May 1946 (from League of Nations mandate under British
administration)