41 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 Juan Peron | | |
| | AUSTRIA | (Vienna) | | President Karl Renner | | |
| | AUSTRALIA | (Canberra) | | King George VI | | |
| | BELGIUM | (Brussels) | | Regent Prince Charles | | |
| | BULGARIA | (Sofia) | | Georgi Dimitrov | | |
| | BRAZIL | (Rio de Janeiro) | | President Eurico Gaspar Dutra | | |
| | CANADA | (Ottawa) | | King George VI | | |
| | SWITZERLAND | (Berne lq + Lausanne j) | | President Enrico Celio | | |
| | CHILE | (Santiago of Chile a + Valparaiso l + Vina del Mar s) | | President Gabriel Gonzalez Videla | | |
| | CZECHOSLOVAKIA | (Prague a) | | Rudolf Slansky | | |
| | CUBA | (Havana) | | President Ramon Grau San Martin | | |
| | WEST GERMANY | (Frankfort on the Main n) | | Hermann Josef Puender | | |
| | DENMARK | (Copenhagen) | | King Frederick IX | | |
| | EGYPT | (Cairo a + Alexandria r) | | King Farouk I | | |
| | SPAIN | (Madrid) | | Caudillo Francisco Franco | | |
| | FINLAND | (Helsinki a + Kultaranta s) | | President Juho Kusti Paasikivi | | |
| | FRENCH UNION | (Paris) | | President Vincent Auriol | | |
| | GREECE | (Athens a) | | King Paul I | | |
| | HUNGARY | (Budapest a) | | Matyas Rakosi | | |
| | EIRE | (Dublin) | | President Sean Thomas O´Kelly | | |
| | ICELAND | (Reykjavik a + Alftanes r) | | President Sveinn Bjornsson | | |
| | ITALY | (Rome a) | | President Luigi Einaudi | | |
| | JAPAN | (Tokyo) | | Emperor Hirohito | | |
| | LEBANON | (Beirut a) | | President Bechara El-Khoury | | |
| | LUXEMBOURG | (Luxembourg a) | | Grand Duchess Charlotte | | |
| | MONACO | (Monaco q) | | Prince Louis II | | |
| | MEXICO | (Mexico City) | | President Miguel Aleman Valdez | | |
| | NETHERLANDS | (Amsterdam a + The Hague jlr + Wassenaar r) | | Queen Wilhelmina | | |
| | NORWAY | (Oslo) | | King Haakon VII | | |
| | PERU | (Lima) | | President Jose Luis Bustamante y Rivero | | |
| | POLAND | (Warsaw a) | | Wladyslaw Gomulka | | |
| | PORTUGAL | (Lisbon) | | President Oscar Carmona | | |
| | RUMANIA | (Bucharest) | | Gheorghe Gheorghiu-Dej | | |
| | SWEDEN | (Stockholm) | | King Gustav V | | |
| | SOVIET UNION | (Moscow a + Sochi s) | | Joseph Stalin | | |
| | TURKEY | (Ankara a) | | President Ismet Inonu | | |
| | CHINA | (Nanking a) | | President Chiang Kai-Shek | | |
| | UNITED KINGDOM | (London a + Westminster lr + Edinburgh s + Windsor r) | | King George VI | | |
| | AMERICA | (Washington-District of Columbia) | | President Harry Truman | | |
| | YUGOSLAVIA | (Belgrade) | | Marshal Josip Broz Tito | | |
| | SOUTH AFRICA | (Pretoria ae + Cape Town l) | | King George VI | | |