| Country |
Formerly |
Parliamentary republic adopted |
Head of state elected by |
| Albania |
One-party state |
1991 |
Parliament, by three-fifths majority |
| Austria |
One-party state |
1955 |
Direct, by second-round system |
| Bangladesh [1] |
Presidential republic (Part of Pakistan) |
1971 |
Parliament |
| Botswana |
Constitutional monarchy (Commonwealth realm) |
1966 |
Parliament |
| Bulgaria |
One-party state |
1947 |
Directly, by second-round system |
| Croatia |
One-party state (Part of Yugoslavia) |
1991 |
Directly, by second-round system |
| Czech Republic |
One-party state (Part of Czechoslovakia) |
1993 |
Parliament, by majority |
| Dominica |
British overseas territory |
1978 |
Parliament, by majority |
| East Timor |
Military junta (Occupied by Indonesia) |
1999 |
Directly, by second-round system |
| Estonia |
One-party state (Part of Soviet Union) |
1992 |
Parliament, by two-thirds majority |
| Ethiopia |
One-party state |
1991 |
Parliament, by two-thirds majority |
| Finland |
Constitutional monarchy (Part of Russian Empire) |
1919 |
Directly, by second-round system |
| Germany |
One-party state |
1949 |
Federal assembly (Parliament and state delegates), by absolute majority |
| Greece |
Military junta |
1974 |
Parliament, by majority |
| Hungary |
One-party state |
1990 |
Parliament, by absolute majority |
| Iceland |
Constitutional monarchy (Part of Denmark) |
1944 |
Direct, by transferable vote |
|
Constitutional monarchy (Commonwealth realm) |
1950 |
Parliament and state legislators, by single transferable vote |
| Iraq |
One-party state |
2005 |
Parliament, by two-thirds majority |
| Ireland |
Constitutional monarchy (Commonwealth realm) |
1949 |
Direct, by single transferable vote |
| Israel |
Protectorate (Part of British Mandate of Palestine) |
1948 |
Parliament, by two-thirds majority |
| Italy |
Constitutional monarchy |
1946 |
Parliament, by majority |
| Kiribati |
Protectorate |
1979 |
Citizens |
| Latvia |
One-party state (Part of Soviet Union) |
1991 |
Parliament |
| Lithuania |
One-party state (Part of Soviet Union) |
1990 |
Direct, by second-round system |
| Macedonia |
One-party state (Part of the Yugoslavia) |
1991 |
Directly, by second-round system |
| Malta |
Constitutional monarchy (Commonwealth realm) |
1974 |
Parliament, by majority |
| Marshall Islands |
UN Trust Territory (Part of Trust Territory of the Pacific Islands) |
1979 |
Parliament |
|
Constitutional monarchy (Commonwealth realm) |
1992 |
Parliament, by majority |
| Federated States of Micronesia |
UN Trust Territory (Part of Trust Territory of the Pacific Islands) |
1986 |
Parliament |
| Mongolia |
One-party state |
1949 |
Parliament |
| Montenegro |
One-party state (Part of Yugoslavia) |
1992 |
Directly, by second-round system |
| Nauru |
Australian Trust Territory |
1968 |
Parliament |
| Poland |
One-party state |
1990 |
Directly, by second-round system |
| Portugal |
Military junta |
1976 |
Directly, by second-round system |
| Samoa |
Territory of New Zealand |
2007 |
Parliament |
| Singapore |
Constitutional monarchy (Part of Malaysia) |
1965 |
Directly, by second-round system |
| Slovakia |
One-party state (Part of Czechoslovakia) |
1993 |
Parliament (before 1999)
Directly, by second-round system (since 1999) |
| Slovenia |
One-party state (Part of Yugoslavia) |
1991 |
Directly, by second-round system |
| South Africa |
Constitutional monarchy (Commonwealth realm) |
1961 |
Parliament, majority |
| Suriname |
One party Military Dictatorship |
1987 |
Parliament |
| Switzerland |
Military junta (Occupied by France) |
1802 |
Parliament [2] |
|
Constitutional monarchy (Commonwealth realm) |
1976 |
Parliament |
| Turkey |
Constitutional monarchy (Part of Ottoman Empire) |
1923 |
Direct (since 2007, previously by parliament) |
| Vanuatu |
Constitutional monarchy (Commonwealth realm) |
1980 |
Parliament and regional council presidents, by majority |
| Zimbabwe |
Presidential republic |
2008 |
Directly, by second-round system |