40 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. ] :
 |  | ALBANIA | (Tirana) |  | Enver Hoxha |  | |
 |  | ARGENTINE | (Buenos Aires a + Olivos r) |  | President Arturo Umberto Illia |  | |
 |  | AUSTRIA | (Vienna) |  | President Franz Jonas | | |
 |  | AUSTRALIA | (Canberra) |  | Queen Elizabeth II |  | |
 |  | BRAZIL | (Brasilia) |  | President Humberto de Alencar Castelo Branco | | |
 |  | SWITZERLAND | (Berne lq + Lausanne j) |  | President Hans Peter Tschudi | | |
 |  | CHILE | (Santiago of Chile a + Valparaiso l + Vina del Mar s) |  | President Eduardo Frei Montalva | | |
 |  | CZECHOSLOVAKIA | (Prague a) |  | Antonin Novotny | | |
 |  | WEST GERMANY | (Bonn ar + Karlsruhe d) |  | Bundespresident Heinrich Luebke | | |
 |  | DENMARK | (Copenhagen) |  | King Frederick IX | | |
 |  | DOMINICAN | (Santo Domingo de Guzman) |  | President Hector Garcia-Godoy Caceres |  | |
 |  | UNITED ARAB | (Cairo a + Alexandria r) |  | President Gamal Abdel Nasser |  | |
 |  | FINLAND | (Helsinki a + Kultaranta s) |  | President Urho Kekkonen | | |
 |  | FRANCE | (Paris) |  | President Charles de Gaulle | | |
 |  | HUNGARY | (Budapest a) |  | Janos Kadar | | |
 |  | ISRAEL | (West Jerusalem qu + Tel Aviv-Jaffa i) |  | President Zalman Shazar |  | |
 |  | INDIA | (New Delhi a + Simla s + Bolarum w) |  | President Sir Sarvepalli Radhakrishnan | | |
 |  | IRAN | (Tehran) |  | Mohammad Reza Shah Pahlavi | | |
 |  | ITALY | (Rome a) |  | President Giuseppe Saragat | | |
 |  | JAPAN | (Tokyo) |  | Emperor Hirohito | | |
 |  | NORTH KOREA | (Pyongyang a) |  | Kim Il-Sung | | |
 |  | SOUTH KOREA | (Seoul a) |  | President Park Chung-Hee | | |
 |  | LEBANON | (Beirut a + Baabda r) |  | President Charles Helou | | |
 |  | CEYLON | (Colombo a + Kandy r) | | Queen Elizabeth II | | |
 |  | MONGOLIA | (Ulan-Bator) |  | Yumjaagiin Tsedenbal | | |
 |  | NETHERLANDS | (Amsterdam a + The Hague jlr + Wassenaar r) |  | Queen Juliana | | |
 |  | NORWAY | (Oslo) |  | King Olav V | | |
 |  | PHILIPPINES | (Quezon City a + Manila lr + Baguio City s) |  | President Diosdado Macapagal | | |
 |  | POLAND | (Warsaw a) |  | Wladyslaw Gomulka | | |
 |  | PORTUGAL | (Lisbon) |  | President Americo Thomaz | | |
 |  | PARAGUAY | (Assumption) |  | President Alfredo Stroessner | | |
 |  | RUMANIA | (Bucharest) |  | Nicolae Ceausescu | | |
 |  | SOVIET UNION | (Moscow) |  | Leonid Brezhnev | | |
 |  | TURKEY | (Ankara a) |  | President Cemal Gursel | | |
 |  | UNITED KINGDOM | (London a + Westminster lr + Edinburgh s + Windsor r) | | Queen Elizabeth II | | |
 |  | AMERICA | (Washington-District of Columbia) |  | President Lyndon Baines Johnson | | |
 |  | NORTH VIETNAM | (Hanoi) |  | Ho Chi Minh | | |
 |  | YUGOSLAVIA | (Belgrade) |  | President Josip Broz Tito | | |
 |  | SOUTH AFRICA | (Pretoria ae + Cape Town l + Bloemfontein j) |  | State President Charles Robberts Swart | | |
 |  | RHODESIA | (Salisbury) |  | | | |
