36 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. ] :
| | ANGOLA | (Luanda) | | President Agostinho Neto | | |
| | BARBADOS | (Bridgetown) | | Queen Elizabeth II | | |
| | BRAZIL | (Brasilia) | | President Ernesto Geisel | | |
| | CANADA | (Ottawa) | | Queen Elizabeth II | | |
| | IVORY COAST | (Abidjan a) | | President Felix Houphouet-Boigny | | |
| | CHINA | (Peking) | | Mao Tse-Tung the Great Helmsman | | |
| | CAPE VERDE | (Praia) | | President Aristides Pereira | | |
| | ALGERIA | (Algiers a + El Biar d + El Mouradia r) | | President Houari Boumedienne | | |
| | FRANCE | (Paris) | | President Valery Giscard d´Estaing | | |
| | GABON | (Libreville) | | President Omar Bongo | | |
| | GHANA | (Accra) | | President Ignatius Kutu Acheampong | | |
| | GUINEA | (Conakry) | | President Ahmed Sekou Toure | | |
| | EQUATORIAL GUINEA | (Malabo a) | | President Francisco Macias Nguema | | |
| | GUATEMALA | (Guatemala City) | | President Kjell Eugenio Laugerud Garcia | | |
| | HONDURAS | (Tegucigalpa a + Comayaguela c) | | Juan Alberto Melgar Castro | | |
| | ICELAND | (Reykjavik a + Alftanes r) | | President Kristjan Eldjarn | | |
| | JAPAN | (Tokyo) | | Emperor Hirohito | | |
| | SOUTH KOREA | (Seoul a) | | President Park Chung-Hee | | |
| | LIBYA | (Tripoli a) | | Guide Muammar Gaddafi | | |
| | MOROCCO | (Rabat a) | | King Hassan II | | |
| | MEXICO | (Mexico City) | | President Luis Echeverria Alvarez | | |
| | NICARAGUA | (Managua) | | President Anastasio Somoza Debayle | | |
| | NORWAY | (Oslo) | | King Olav V | | |
| | PANAMA | (Panama City) | | Supreme Leader General Omar Torrijos Herrera | | |
| | PHILIPPINES | (Manila acr + Quezon City b + Pasay City b) | | President Ferdinand Marcos | | |
| | SENEGAL | (Dakar) | | President Leopold Sedar Senghor | | |
| | SAO TOME AND PRINCIPE | (Sao Tome) | | President Manuel Pinto da Costa | | |
| | SYRIA | (Damascus) | | President Hafez Al-Assad | | |
| | TUNISIA | (Tunis) | | President Habib Bourguiba | | |
| | TURKEY | (Ankara a) | | President Fahri Koruturk | | |
| | TRINIDAD AND TOBAGO | (Port-of-Spain) | | President Sir Ellis Clarke | | |
| | UNITED KINGDOM | (London a + Westminster lr + Edinburgh s + Windsor r) | | Queen Elizabeth II | | |
| | AMERICA | (Washington-District of Columbia) | | President Gerald Ford | | |
| | URUGUAY | (Montevideo) | | President Alberto Demicheli | | |
| | VENEZUELA | (Caracas) | | President Carlos Andres Perez | | |
| | SOUTH AFRICA | (Pretoria ae + Cape Town l + Bloemfontein j) | | State President Nicolaas Johannes Diederichs | | |