31 selected
- Not filled in
- Iceland - Denish (1380-1944)
- Iceland - Republic (1944-present)
- India - Princely States
- India - Republic (1947-present)
- India-British - British colony (1858-1947)
- India-Brits - East-India (31-12-1600-1-6-1874)
- Indies-Portuguese - Portuguese Government (1510-1961)
- Indonesia - pre colonization period
- Indonesia - Republic (1950-present)
- Ionian Islands - British Rule (1809-1863)
- Iran - Islamitic Republic (1979-present)
- Iran - Pavlavi era (1925-1979)
- Iran - Qajar dynasty (1794-1925)
- Iran - Safavid dynasty (1501-1736)
- Iraq - Kingdom (1921-1958)
- Iraq - Republic (1958-present)
- Ireland - Irish Free State (1922-1937)
- Ireland - Kingdom (1541-1801)
- Ireland - Republic (1937-present)
- Ireland - United Kingdom with Great Brittain (1801-1922)
- Islamic Empire - Abbasid Caliphate (750-1258, 129-637AH)
- Islamic Empire - Ayyubid caliphate (1171-1260, 550-639AH)
- Islamic Empire - Mamluk Caliphate (1250–1517, 629-896AH)
- Islamic Empire - Umayyad Caliphate (661-750, 40-129AH)
- Israel - Republic (1948-present)
- Italian Somaliland - Italians colony (1889-1936)
- Italy - Italian States (11th century-1815)
- Italy - Kingdom (1861-1946)
- Italy - Republic (1946-present)
- Italy - Risorgimento (1815-1870)
- Ivorycoast - Republic (1960-present)