1983 state leaders - Events of 1984 - 1985 state leaders - State leaders by year
Africa
- Algeria -
- Angola - José Eduardo dos Santos, President of Angola (10 September 1979-present)
- Benin - Mathieu Kérékou, President of Benin (1972-1991)
- Botswana - Quett Masire, President of Botswana (1980-1998)
- Burundi - Jean-Baptiste Bagaza, President of Burundi (1976-1987)
- Cape Verde
- Comoros
- Côte d'Ivoire - Félix Houphouët-Boigny, President of Côte d'Ivoire (1960-1993)
- Djibouti -
- Equatorial Guinea
- Ethiopia - Mengistu Haile Mariam, Chairmen of the Provisional Military Administrative Council (1977-1987), President of Ethiopia (1987-1991).
- Gabon
- The Gambia - Dawda Jawara, President of The Gambia (1970-1994)
- Guinea
- Kenya - Daniel arap Moi, President of Kenya (1978-2002)
- Liberia - Samuel K. Doe, President of Liberia (1980-1990)
- Malawi - Hastings Kamuzu Banda, President of Malawi (1966-1994)
- Mali - Moussa Traoré, President of Mali (1968-1991)
- Mauritania
- Mauritius
- Morocco -
- Mozambique - Samora Machel, President of Mozambique (1975–1986)
- Nigeria - Muhammadu Buhari, President of Nigeria (1983-1985)
- Rwanda - Juvénal Habyarimana, President of Rwanda (1973-1994)
- São Tomé and Príncipe - Manuel Pinto da Costa, President of São Tomé and Príncipe (1975-1991)
- Senegal
- Seychelles - France-Albert René, President of Seychelles (1977-2004)
- Somalia - Siad Barre, President of Somalia (1969-1991)
- Swaziland
- Togo - Gnassingbé Eyadéma, President of Togo (1967-2005)
- Uganda
- Upper Volta (name change to Burkina Faso on August 4) - Thomas Sankara, President of Upper Volta (1983-1987)
- Zambia
- Zimbabwe
Asia
Australia and Oceania
Europe
Middle East
North America and the Caribbean
South America
- Argentina - Raúl Alfonsín, President of Argentina (1983-1989)
- Bolivia - Hernán Siles Zuazo, President of Bolivia (1982-1985)
- Brazil - João Baptista de Oliveira Figueiredo, President of Brazil (1979-1985)
- Chile - Augusto Pinochet, President of Chile (1973-1990)
- Colombia - Belisario Betancur, President of Colombia (1982-1986)
- Ecuador -
- Osvaldo Hurtado, President of Ecuador (1981-1984)
- León Febres Cordero, President of Ecuador (1984-1988)
- Guyana -
- Ptolemy Reid, Prime Minister of Guyana (1980-1984)
- Desmond Hoyte, Prime Minister of Guyana (1984-1985)
- Paraguay - Alfredo Stroessner, President of Paraguay (1954-1989)
- Peru - Fernando Belaúnde Terry, President of Peru (1980-1985)
- Suriname -
- Errol Alibux, Prime Minister of Suriname (1983-1984)
- Wim Udenhout, Prime Minister of Suriname (1984-1986)
- Uruguay - Gregorio Conrado Álvarez, President of Uruguay (1981-1985)
- Venezuela -
- Luis Herrera Campins, President of Venezuela (1979-1984)
- Jaime Lusinchi, President of Venezuela (1984-1989)
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