88 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 | | |
| | AFGHANISTAN | (Kabul) | | President Nur Mohammad Taraki | | |
| | ANGOLA | (Luanda) | | President Agostinho Neto | | |
| | ARGENTINE | (Buenos Aires a + Olivos r) | | President Jorge Rafael Videla | | |
| | BENGLADESH | (Dacca a) | | President Ziaur Rahman | | |
| | UPPER VOLTA | (Ouagadougou) | | General Aboubakar Sangoule Lamizana | | |
| | BAHRAIN | (Manamah) | | Emir Sheikh Isa II bin Salman Al Khalifah | | |
| | BURUNDI | (Bujumbura) | | President Jean-Baptiste Bagaza | | |
| | BENIN | (Porto Novo a + Cotonou ilnqr) | | President Mathieu Kerekou | | |
| | BHUTAN | (Thimphu a + Paro s) | | King Jigme Singye Wangchuk | | |
| | BOTSWANA | (Gaborone) | | President Seretse Khama | | |
| | BELIZE | (Belmopan) | | | | |
| | ZAIRE | (Kinshasa a) | | President Mobutu Sese Seko | | |
| | CENTRAL-AFRICA | (Bangui a + Berengo r) | | Emperor Bokassa I | | |
| | CONGO | (Brazzaville a) | | President Denis Sassou-Nguesso | | |
| | IVORY COAST | (Abidjan a) | | President Felix Houphouet-Boigny | | |
| | CHILE | (Santiago of Chile a + Vina del Mar s) | | General Augusto Pinochet | | |
| | CAMEROON | (Yaounde) | | President Ahmadou Ahidjo | | |
| | CUBA | (Havana) | | Supreme Leader Fidel Castro | | |
| | CAPE VERDE | (Praia) | | President Aristides Pereira | | |
| | CYPRUS | (Nicosia) | | President Spyros Kyprianou | | |
| | ALGERIA | (Algiers a + El Biar d + El Mouradia r) | | President Chadli Bendjedid | | |
| | EGYPT | (Cairo a + Alexandria r) | | President Anwar El-Sadat | | |
| | ETHIOPIA | (Addis Ababa) | | Mengistu Haile Mariam | | |
| | GABON | (Libreville) | | President Omar Bongo | | |
| | GHANA | (Accra) | | Jerry John Rawlings | | |
| | THE GAMBIA | (Banjul) | | President Sir Dawda Jawara | | |
| | GUINEA | (Conakry) | | President Ahmed Sekou Toure | | |
| | EQUATORIAL GUINEA | (Malabo a) | | President Francisco Macias Nguema | | |
| | GUINEA-BISSAU | (Bissau) | | President Luis de Almeida Cabral | | |
| | GUYANA | (Georgetown) | | President Arthur Chung | | |
| | INDONESIA | (Jakarta a + Bogor r + Chipanas r + Yogyakarta r + Tampaksiring r) | | President Suharto | | |
| | INDIA | (New Delhi a + Simla s + Bolarum w) | | President Neelam Sanjiva Reddy | | |
| | IRAQ | (Baghdad) | | President Ahmad Hassan al-Bakr | | |
| | JAMAICA | (Kingston) | | Queen Elizabeth II | | |
| | JORDAN | (Amman) | | King Hussein I | | |
| | KENYA | (Nairobi) | | President Daniel Arap Moi | | |
| | COMOROS | (Moroni) | | Ahmed Abdallah | | |
| | NORTH KOREA | (Pyongyang a) | | Kim Il-Sung | | |
| | KUWAIT | (Kuwait City) | | Emir Sheikh Jabir III Al Ahmad Al Jabir Al Sabah | | |
| | LAOS | (Vientiane) | | Kaysone Phomvihane | | |
| | LEBANON | (Beirut-East a + Baabda r) | | President Elias Sarkis | | |
| | SRI LANKA | (Colombo a + Kotte l + Kandy r) | | President Junius Richard Jayawardene | | |
| | LIBERIA | (Monrovia) | | President William Richard Tolbert Jr | | |
| | 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 | | |
| | BURMA | (Rangoon a) | | President Ne Win | | |
| | MAURITANIA | (Nouakchott) | | Colonel Mohamed Mahmoud Ould Louly | | |
| | MALTA | (Valletta a + Attard r + Siggiewi s) | | President Anton Buttigieg | | |
| | MAURITIUS | (Port Louis a + Reduit in Moka r) | | Queen Elizabeth II | | |
| | MALDIVES | (Male) | | President Maumoon Abdul Gayoom | | |
| | MALAWI | (Lilongwe a + Zomba b) | | President Hastings Banda | | |
| | MALAYSIA | (Kuala Lumpur) | | Sultan Ahmad Shah | | |
| | MOZAMBIQUE | (Maputo) | | President Samora Machel | | |
| | NIGER | (Niamey) | | President Seyni Kountche | | |
| | NIGERIA | (Lagos a + Abuja f) | | Olusegun Obasanjo | | |
| | NEPAL | (Kathmandu) | | Maharajah Birendra Bir Bikram Shah Dev | | |
| | OMAN | (Muscat) | | Sultan Qaboos bin Said | | |
| | PANAMA | (Panama City) | | Supreme Leader General Omar Torrijos Herrera | | |
| | PERU | (Lima) | | President General Francisco Morales Bermudez | | |
| | PALESTINE | (Tel Al-Zaatar x) | | Yasser Arafat | | |
| | QATAR | (Doha) | | Emir Sheikh Khalifah bin Hamad Al Thani | | |
| | RWANDA | (Kigali) | | President Juvenal Habyarimana | | |
| | SAUDI ARABIA | (Riyadh) | | King Khalid | | |
| | SEYCHELLES | (Port Victoria) | | President France-Albert Rene | | |
| | SUDAN | (Khartoum) | | President Gaafar Muhammad Numairy | | |
| | SINGAPORE | (Singapore) | | President Benjamin Henry Sheares | | |
| | SIERRA LEONE | (Freetown) | | President Siaka Stevens | | |
| | SENEGAL | (Dakar) | | President Leopold Sedar Senghor | | |
| | SOMALIA | (Mogadishu) | | President Muhammad Siad Barre | | |
| | SAO TOME AND PRINCIPE | (Sao Tome) | | President Manuel Pinto da Costa | | |
| | SYRIA | (Damascus) | | President Hafez Al-Assad | | |
| | SWAZILAND | (Mbabane aj + Lobamba lr) | | King Sobhuza II | | |
| | CHAD | (Ndjamena) | | Lol Mahamat Choua | | |
| | TOGO | (Lome) | | President Gnassingbe Eyadema | | |
| | TUNISIA | (Tunis) | | President Habib Bourguiba | | |
| | TRINIDAD AND TOBAGO | (Port-of-Spain) | | President Sir Ellis Clarke | | |
| | TANZANIA | (Dar Es Salaam a + Dodoma f) | | President Julius Nyerere | | |
| | UGANDA | (Kampala a + Entebbe r) | | President Godfrey Binaisa | | |
| | VIETNAM | (Hanoi) | | Le Duan | | |
| | KAMPUCHEA-IN-EXILE | (Pyongyang + Cambodian Jungle) | | Saloth Sar Pol Pot | | |
| | SOUTH YEMEN | (Aden) | | Abdul Fattah Ismail | | |
| | NORTH YEMEN | (Sanaa) | | President Ali Abdullah Saleh | | |
| | YUGOSLAVIA | (Belgrade) | | President Josip Broz Tito | | |
| | ZAMBIA | (Lusaka) | | President Kenneth Kaunda | | |