26 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. ] :
| | AUSTRIA | (Vienna) | | President Kurt Waldheim | | |
| | BELGIUM | (Brussels) | | King Baudoin I | | |
| | BULGARIA | (Sofia) | | Petur Mladenov | | |
| | CANADA | (Ottawa) | | Queen Elizabeth II | | |
| | SWITZERLAND | (Berne lq + Lausanne j) | | President Jean-Pascal Delamuraz | | |
| | CZECHOSLOVAKIA | (Prague a) | | Ladislav Adamec | | |
| | WEST GERMANY | (Bonn ar + Karlsruhe d) | | Bundespresident Richard von Weizsaecker | | |
| | DENMARK | (Copenhagen) | | Queen Margaret II | | |
| | EUROPE | (Strasbourg) | | SG Catherine Lalumiere (fr) | | |
| | SPAIN | (Madrid) | | King Juan Carlos I | | |
| | FINLAND | (Helsinki a + Kultaranta s) | | President Mauno Koivisto | | |
| | FRANCE | (Paris) | | President Francois Mitterrand | | |
| | HUNGARY | (Budapest a) | | Matyas Szuros | | |
| | IRELAND | (Dublin) | | President Patrick John Hillery | | |
| | INDIA | (New Delhi a + Simla s + Bolarum w) | | President Ramaswamy Venkataraman | | |
| | ITALY | (Rome a) | | President Francesco Cossiga | | |
| | NETHERLANDS | (Amsterdam a + The Hague jlr + Wassenaar r) | | Queen Beatrix | | |
| | NORWAY | (Oslo) | | King Olav V | | |
| | POLAND | (Warsaw a) | | President Wojciech Jaruzelski | | |
| | ROMANIA | (Bucharest) | | President Ion Iliescu | | |
| | SWEDEN | (Stockholm) | | King Charles XVI Gustav | | |
| | SOVIET UNION | (Moscow) | | Mikhail Gorbachev | | |
| | UKRAINE | (Kiev) | | Vladimir Ivashko | | |
| | UNITED KINGDOM | (London a + Westminster lr + Edinburgh s + Windsor r) | | Queen Elizabeth II | | |
| | AMERICA | (Washington-District of Columbia) | | President George Herbert Walker Bush | | |
| | YUGOSLAVIA | (Belgrade) | | President Milan Panchevski | | |