32 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) |  | King Mohammad Zahir Shah | | |
 |  | BAHRAIN | (Manamah) |  | Emir Sheikh Isa II bin Salman Al Khalifah | | |
 |  | ALGERIA | (Algiers a + El Biar d + El Mouradia r) |  | President Houari Boumedienne |  | |
 |  | EGYPT | (Cairo a + Alexandria r) |  | President Anwar El-Sadat | | |
 |  | GUINEA | (Conakry) |  | President Ahmed Sekou Toure | | |
 |  | INDONESIA | (Jakarta a + Bogor r + Chipanas r + Yogyakarta r + Tampaksiring r) |  | President Suharto | | |
 |  | IRAN | (Tehran) |  | Mohammad Reza Shah Pahlavi | | |
 |  | JORDAN | (Amman) |  | King Hussein I | | |
 |  | KUWAIT | (Kuwait City) |  | Emir Sheikh Sabah III Al Salim Al Sabah | | |
 |  | LEBANON | (Beirut a + Baabda r) |  | President Suleiman Frangieh | | |
 |  | LIBYA | (Tripoli a) |  | Guide Muammar Gaddafi | | |
 |  | MOROCCO | (Rabat a) |  | King Hassan II | | |
 |  | MALI | (Bamako) |  | President Moussa Traore | | |
 |  | MAURITANIA | (Nouakchott) |  | President Moktar Ould Daddah | | |
 |  | MALAYSIA | (Kuala Lumpur) |  | Sultan Abdul Halim Muadzam Shah | | |
 |  | NIGER | (Niamey) |  | President Hamani Diori | | |
 |  | OMAN | (Muscat) |  | Sultan Qaboos bin Said | | |
 |  | PAKISTAN | (Islamabad) |  | President Zulfikar Ali Bhutto | | |
 |  | PALESTINE | (Tel Al-Zaatar x) |  | Yasser Arafat | | |
 |  | QATAR | (Doha) |  | Emir Sheikh Khalifah bin Hamad Al Thani | | |
 |  | SAUDI ARABIA | (Riyadh) |  | King Faisal | | |
 |  | SUDAN | (Khartoum) |  | President Gaafar Muhammad Numairy | | |
 |  | SIERRA LEONE | (Freetown) |  | President Siaka Stevens | | |
 |  | SENEGAL | (Dakar) |  | President Leopold Sedar Senghor | | |
 |  | SOMALIA | (Mogadishu) |  | President Muhammad Siad Barre | | |
 |  | SYRIA | (Damascus) |  | President Hafez Al-Assad | | |
 |  | CHAD | (Fort Lamy) |  | President Francois Tombalbaye | | |
 |  | TUNISIA | (Tunis) |  | President Habib Bourguiba | | |
 |  | TURKEY | (Ankara a) |  | President Cevdet Sunay | | |
 |  | SOUTH YEMEN | (Aden) |  | President Salem Ali Rubayyi | | |
 |  | NORTH YEMEN | (Sanaa) |  | Abdul Rahman al-Iryani | | |
