51 Members (excluding the associate or suspended members but including the countries represented on their behalf) [The rulers are not necessarily the representatives in the organisation. ] :
| | UNITED ARAB EMIRATES | (Abu Dhabi ar + Al Karama f) | | President Sheikh Zayed II bin Sultan Al Nahyan | | |
| | ANGOLA | (Luanda) | | President Jose Eduardo dos Santos | | |
| | UPPER VOLTA | (Ouagadougou) | | President Saye Zerbo | | |
| | BURUNDI | (Bujumbura) | | President Jean-Baptiste Bagaza | | |
| | BENIN | (Porto Novo a + Cotonou ilnqr) | | President Mathieu Kerekou | | |
| | BOTSWANA | (Gaborone) | | President Quett Masire | | |
| | ZAIRE | (Kinshasa a) | | President Mobutu Sese Seko | | |
| | CENTRAL-AFRICA | (Bangui) | | Andre-Dieudonne Kolingba | | |
| | CONGO | (Brazzaville a + Pointe Noire n) | | President Denis Sassou-Nguesso | | |
| | IVORY COAST | (Abidjan a) | | President Felix Houphouet-Boigny | | |
| | CAMEROON | (Yaounde) | | President Ahmadou Ahidjo | | |
| | CAPE VERDE | (Praia) | | President Aristides Pereira | | |
| | JIBUTI | (Jibuti) | | President Hassan Gouled Aptidon | | |
| | ALGERIA | (Algiers a + El Biar d + El Mouradia r) | | President Chadli Bendjedid | | |
| | EGYPT | (Cairo a + Alexandria r) | | President Hosni Mubarak | | |
| | ETHIOPIA | (Addis Ababa) | | Mengistu Haile Mariam | | |
| | GABON | (Libreville) | | President Omar Bongo | | |
| | GHANA | (Accra) | | Jerry John Rawlings | | |
| | GAMBIA | (Banjul) | | President Sir Dawda Jawara | | |
| | GUINEA | (Conakry) | | President Ahmed Sekou Toure | | |
| | EQUATORIAL GUINEA | (Malabo a) | | President Teodoro Obiang Nguema Mbasogo | | |
| | GUINEA-BISSAU | (Bissau) | | President Joao Bernardo Vieira | | |
| | KENYA | (Nairobi) | | President Daniel Arap Moi | | |
| | COMOROS | (Moroni) | | Ahmed Abdallah | | |
| | LIBERIA | (Monrovia) | | Samuel Doe | | |
| | LESOTHO | (Maseru) | | King Moshoeshoe II | | |
| | LIBYA | (Tripoli a) | | Guide Muammar Gaddafi | | |
| | MOROCCO | (Rabat a) | | King Hassan II | | |
| | MADAGASCAR | (Tananarive) | | President Didier Ratsiraka | | |
| | MALI | (Bamako) | | President Moussa Traore | | |
| | MAURITANIA | (Nouakchott) | | Colonel Mohamed Khouna Ould Haidallah | | |
| | MAURITIUS | (Port Louis a + Reduit in Moka r) | | Queen Elizabeth II | | |
| | MALAWI | (Lilongwe a + Zomba b) | | President Hastings Banda | | |
| | MOZAMBIQUE | (Maputo) | | President Samora Machel | | |
| | NIGER | (Niamey) | | President Seyni Kountche | | |
| | NIGERIA | (Lagos a + Abuja f) | | President Shehu Shagari | | |
| | RWANDA | (Kigali) | | President Juvenal Habyarimana | | |
| | SEYCHELLES | (Port Victoria) | | President France-Albert Rene | | |
| | SUDAN | (Khartoum) | | President Gaafar Muhammad Numairy | | |
| | SIERRA LEONE | (Freetown) | | President Siaka Stevens | | |
| | SENEGAL | (Dakar) | | President Abdou Diouf | | |
| | SOMALIA | (Mogadishu) | | President Muhammad Siad Barre | | |
| | SAO TOME AND PRINCIPE | (Sao Tome) | | President Manuel Pinto da Costa | | |
| | SWAZILAND | (Mbabane aj + Lobamba lr) | | King Sobhuza II | | |
| | CHAD | (Ndjamena) | | Hissene Habre | | |
| | TOGO | (Lome) | | President Gnassingbe Eyadema | | |
| | TUNISIA | (Tunis) | | President Habib Bourguiba | | |
| | TANZANIA | (Dar Es Salaam a + Dodoma f) | | President Julius Nyerere | | |
| | UGANDA | (Kampala a + Entebbe r) | | President Milton Obote | | |
| | ZAMBIA | (Lusaka) | | President Kenneth Kaunda | | |
| | ZIMBABWE | (Harare) | | President Canaan Banana | | |