31 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. ] :
 |  | ARGENTINE | (Buenos Aires a + Olivos r) |  | President Isabel Peron |  | |
 |  | AUSTRIA | (Vienna) |  | President Rudolf Kirchschlaeger |  | |
 |  | BELGIUM | (Brussels) |  | King Baudoin I | | |
 |  | BOLIVIA | (Sucre cj + La Paz eir) |  | President Hugo Banzer | | |
 |  | SWITZERLAND | (Berne lq + Lausanne j) |  | President Pierre Graber | | |
 |  | CHILE | (Santiago of Chile a + Vina del Mar s) |  | General Augusto Pinochet | | |
 |  | COLOMBIA | (Bogota) |  | President Alfonso Lopez Michelsen | | |
 |  | COSTA RICA | (San Jose) |  | President Daniel Oduber Quiros |  | |
 |  | CYPRUS | (Nicosia) |  | President Archbishop Makarios III |  | |
 |  | WEST GERMANY | (Bonn ar + Karlsruhe d) |  | Bundespresident Walter Scheel | | |
 |  | DENMARK | (Copenhagen) |  | Queen Margaret II | | |
 |  | DOMINICAN | (Santo Domingo de Guzman) |  | President Joaquin Balaguer | | |
 |  | ECUADOR | (San Francisco of Quito) |  | President General Guillermo Rodriguez Lara | | |
 |  | SPAIN | (Madrid) |  | Caudillo Francisco Franco | | |
 |  | GREECE | (Athens a) |  | President Constantine Tsatsos | | |
 |  | HONDURAS | (Tegucigalpa a + Comayaguela c) |  | Juan Alberto Melgar Castro | | |
 |  | ISRAEL | (West Jerusalem qru + Tel Aviv-Jaffa i) |  | President Ephraim Katzir | | |
 |  | ITALY | (Rome a) |  | President Giovanni Leone | | |
 |  | LUXEMBOURG | (Luxembourg a) |  | Grand Duke Jean | | |
 |  | MALTA | (Valletta a + Attard r + Siggiewi s) |  | President Sir Anthony Joseph Mamo |  | |
 |  | NICARAGUA | (Managua) |  | President Anastasio Somoza Debayle | | |
 |  | NETHERLANDS | (Amsterdam a + The Hague jlr + Wassenaar r) |  | Queen Juliana | | |
 |  | NORWAY | (Oslo) |  | King Olav V | | |
 |  | PANAMA | (Panama City) |  | Supreme Leader General Omar Torrijos Herrera | | |
 |  | PERU | (Lima) |  | President Juan Velasco Alvarado | | |
 |  | PARAGUAY | (Assumption) |  | President Alfredo Stroessner | | |
 |  | EL SALVADOR | (San Salvador) |  | President Arturo Armando Molina | | |
 |  | AMERICA | (Washington-District of Columbia) |  | President Gerald Ford | | |
 |  | URUGUAY | (Montevideo) |  | President Juan Maria Bordaberry | | |
 |  | VENEZUELA | (Caracas) |  | President Carlos Andres Perez | | |
 |  | SOUTH AFRICA | (Pretoria ae + Cape Town l + Bloemfontein j) |  | State President Nicolaas Johannes Diederichs | | |
