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. ] :
| | AUSTRIA | (Vienna) | | President Rudolf Kirchschlaeger | | |
| | AUSTRALIA | (Canberra) | | Queen Elizabeth II | | |
| | BENGLADESH | (Dacca a) | | President Abu Sadat Mohammad Sayem | | |
| | BELGIUM | (Brussels) | | King Baudoin I | | |
| | BULGARIA | (Sofia) | | Todor Zhivkov | | |
| | BRAZIL | (Brasilia) | | President Ernesto Geisel | | |
| | SWITZERLAND | (Berne lq + Lausanne j) | | President Pierre Graber | | |
| | CHILE | (Santiago of Chile a + Vina del Mar s) | | General Augusto Pinochet | | |
| | CZECHOSLOVAKIA | (Prague a) | | Gustav Husak | | |
| | EAST GERMANY | (East Berlin) | | Willi Stoph | | |
| | WEST GERMANY | (Bonn ar + Karlsruhe d) | | Bundespresident Walter Scheel | | |
| | DENMARK | (Copenhagen) | | Queen Margaret II | | |
| | FINLAND | (Helsinki a + Kultaranta s) | | President Urho Kekkonen | | |
| | FRANCE | (Paris) | | President Valery Giscard d´Estaing | | |
| | HUNGARY | (Budapest a) | | Janos Kadar | | |
| | IRELAND | (Dublin) | | President Cearbhall O. Dalaigh | | |
| | INDIA | (New Delhi a + Simla s + Bolarum w) | | President Fakhruddin Ali Ahmed | | |
| | ITALY | (Rome a) | | President Giovanni Leone | | |
| | SRI LANKA | (Colombo a + Kandy r) | | President William Gopallawa | | |
| | MADAGASCAR | (Tananarive) | | Didier Ratsiraka | | |
| | MEXICO | (Mexico City) | | President Luis Echeverria Alvarez | | |
| | MOZAMBIQUE | (Lourenzo Marques) | | President Samora Machel | | |
| | POLAND | (Warsaw a) | | Edward Gierek | | |
| | PORTUGAL | (Lisbon) | | President Francisco da Costa Gomes | | |
| | ROMANIA | (Bucharest) | | Nicolae Ceausescu | | |
| | SWEDEN | (Stockholm) | | King Charles XVI Gustav | | |
| | SOVIET UNION | (Moscow) | | Leonid Brezhnev | | |
| | CHINA-TAIPEH | (Taipeh t) | | President Yen Chia-Kan | | |
| | UKRAINE | (Kiev) | | Vladimir Shcherbytsky | | |
| | UNITED KINGDOM | (London a + Westminster lr + Edinburgh s + Windsor r) | | Queen Elizabeth II | | |
| | AMERICA | (Washington-District of Columbia) | | President Gerald Ford | | |
| | URUGUAY | (Montevideo) | | President Juan Maria Bordaberry | | |
| | NORTH VIETNAM | (Hanoi) | | Le Duan | | |
| | VENEZUELA | (Caracas) | | President Carlos Andres Perez | | |
| | SOUTH VIETNAM | (Saigon) | | President Huynh Tan Phat | | |
| | YUGOSLAVIA | (Belgrade) | | President Josip Broz Tito | | |