33 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 Raul Alfonsin | | |
| | AUSTRIA | (Vienna) | | President Kurt Waldheim | | |
| | AUSTRALIA | (Canberra) | | Sir Ninian Stephen | | |
| | BELGIUM | (Brussels) | | King Baudoin I | | |
| | BOLIVIA | (Sucre cj + La Paz eir) | | President Victor Paz Estenssoro | | |
| | SWITZERLAND | (Berne lq + Lausanne j) | | President Pierre Aubert | | |
| | CHILE | (Santiago of Chile a + Valparaiso l + Vina del Mar s) | | General Augusto Pinochet | | |
| | COLOMBIA | (Bogota) | | President Virgilio Barco Vargas | | |
| | COSTA RICA | (San Jose) | | President Oscar Arias Sanchez | | |
| | CYPRUS | (Nicosia) | | President Spyros Kyprianou | | |
| | WEST GERMANY | (Bonn ar + Karlsruhe d) | | Bundespresident Richard von Weizsaecker | | |
| | DENMARK | (Copenhagen) | | Queen Margaret II | | |
| | DOMINICAN | (Santo Domingo de Guzman) | | President Joaquin Balaguer | | |
| | ECUADOR | (San Francisco of Quito) | | President Leon Febres-Cordero Ribadeneyra | | |
| | GREECE | (Athens a) | | President Christos Sartzetakis | | |
| | GUATEMALA | (Guatemala City) | | President Marco Vinicio Cerezo Arevalo | | |
| | HONDURAS | (Tegucigalpa a + Comayaguela c) | | President Jose Azcona del Hoyo | | |
| | ISRAEL | (Jerusalem aru + Tel Aviv-Jaffa i) | | President Chaim Herzog | | |
| | ITALY | (Rome a) | | President Francesco Cossiga | | |
| | KENYA | (Nairobi) | | President Daniel Arap Moi | | |
| | LUXEMBOURG | (Luxembourg a) | | Grand Duke Jean | | |
| | NICARAGUA | (Managua) | | President Daniel Ortega | | |
| | NETHERLANDS | (Amsterdam a + The Hague jlr + Wassenaar r) | | Queen Beatrix | | |
| | NORWAY | (Oslo) | | King Olav V | | |
| | PANAMA | (Panama City) | | General Manuel Noriega | | |
| | PERU | (Lima a + Arequipa d) | | President Alan Garcia | | |
| | PORTUGAL | (Lisbon) | | President Mario Soares | | |
| | PARAGUAY | (Assumption) | | President Alfredo Stroessner | | |
| | EL SALVADOR | (San Salvador) | | President Jose Napoleon Duarte | | |
| | THAILAND | (Bangkok) | | King Rama IX Bhumibol Adulyadej | | |
| | AMERICA | (Washington-District of Columbia) | | President Ronald Reagan | | |
| | URUGUAY | (Montevideo) | | President Julio Maria Sanguinetti Coirolo | | |
| | VENEZUELA | (Caracas) | | President Jaime Lusinchi | | |