43 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 Babrak Karmal | | |
 |  | BANGLADESH | (Dhaka a) |  | President Hossain Mohammad Ershad | | |
 |  | BURKINA FASO | (Ouagadougou) |  | Thomas Sankara |  | |
 |  | BAHRAIN | (Manamah) |  | Emir Sheikh Isa II bin Salman Al Khalifah | | |
 |  | BENIN | (Porto Novo a + Cotonou ilnqr) |  | President Mathieu Kerekou | | |
 |  | CAMEROON | (Yaounde) |  | President Paul Biya | | |
 |  | 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 | | |
 |  | GABON | (Libreville) |  | President Omar Bongo | | |
 |  | GAMBIA | (Banjul) |  | President Sir Dawda Jawara | | |
 |  | GUINEA | (Conakry) |  | President Lansana Conte | | |
 |  | GUINEA-BISSAU | (Bissau) |  | President Joao Bernardo Vieira | | |
 |  | INDONESIA | (Jakarta a + Bogor r + Chipanas r + Yogyakarta r + Tampaksiring r) |  | President Suharto | | |
 |  | IRAQ | (Baghdad) |  | President Saddam Hussein al-Tikriti | | |
 |  | JORDAN | (Amman) |  | King Hussein I | | |
 |  | COMOROS | (Moroni) |  | Ahmed Abdallah | | |
 |  | KUWAIT | (Kuwait City) |  | Emir Sheikh Jabir III Al Ahmad Al Jabir Al Sabah | | |
 |  | LEBANON | (Beirut-East a + Baabda r) |  | President Amin Gemayel | | |
 |  | LIBYA | (Tripoli a) |  | Guide Muammar Gaddafi | | |
 |  | MOROCCO | (Rabat a) |  | King Hassan II | | |
 |  | MALI | (Bamako) |  | President Moussa Traore | | |
 |  | MAURITANIA | (Nouakchott) |  | Colonel Maaouya Ould Sid´Ahmed Taya | | |
 |  | MALDIVES | (Male) |  | President Maumoon Abdul Gayoom | | |
 |  | MALAYSIA | (Kuala Lumpur) |  | Sultan Mahmud Iskandar | | |
 |  | NIGER | (Niamey) |  | President Seyni Kountche | | |
 |  | OMAN | (Muscat) |  | Sultan Qaboos bin Said | | |
 |  | PAKISTAN | (Islamabad) |  | President Mohammad Zia-ul-Haq | | |
 |  | PALESTINE | (Tunis x) |  | Yasser Arafat | | |
 |  | QATAR | (Doha) |  | Emir Sheikh Khalifah bin Hamad Al Thani | | |
 |  | SAUDI ARABIA | (Riyadh) |  | King Fahd | | |
 |  | SUDAN | (Khartoum) |  | Abdel Rahman Swar al-Dahab | | |
 |  | SIERRA LEONE | (Freetown) |  | President Joseph Saidu Momoh | | |
 |  | SENEGAL | (Dakar) |  | President Abdou Diouf | | |
 |  | SOMALIA | (Mogadishu) |  | President Muhammad Siad Barre | | |
 |  | SYRIA | (Damascus) |  | President Hafez Al-Assad | | |
 |  | CHAD | (Ndjamena) |  | President Hissene Habre | | |
 |  | TUNISIA | (Tunis) |  | President Habib Bourguiba | | |
 |  | TURKEY | (Ankara a) |  | President Kenan Evren | | |
 |  | UGANDA | (Kampala a + Entebbe r) |  | President Yoweri Museveni | | |
 |  | SOUTH YEMEN | (Aden) |  | Ali Nasir Muhammad Husani | | |
 |  | NORTH YEMEN | (Sanaa) |  | President Ali Abdullah Saleh | | |
