50 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. ] :
| | OVERSEAS FRENCH TERRITORIES | (Paris) | | Augustin Laurent (fr) | | |
| | OVERSEAS PORTUGAL | (Lisbon) | | President Oscar Carmona | | |
| | ARGENTINE | (Buenos Aires a + Olivos r) | | President Juan Peron | | |
| | AUSTRIA | (Vienna) | | President Karl Renner | | |
| | BELGIUM | (Brussels) | | Regent Prince Charles | | |
| | BELGIAN CONGO | (Leopoldville a) | | | | |
| | SWITZERLAND | (Berne lq + Lausanne j) | | President Karl Kobelt | | |
| | CYPRUS | (Nicosia) | | | | |
| | WEST GERMANY | (Frankfort on the Main a) | | Rudolf Mueller | | |
| | DENMARK | (Copenhagen) | | King Christian X | | |
| | SAARLAND | (Saarbruecken) | | Erwin Mueller | | |
| | 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) | | Leon Blum | | |
| | GREECE | (Athens a) | | King George II | | |
| | HAITI | (Port Au Prince) | | President Jean Dumarsais Estime | | |
| | EIRE | (Dublin) | | President Sean Thomas O´Kelly | | |
| | INDIA | (New Delhi a + Simla s) | | Viceroy Sir Archibald Wavell | | |
| | ITALY | (Rome a) | | Enrico De Nicola | | |
| | TRANSJORDAN | (Amman) | | King Abdullah I | | |
| | JAPAN | (Tokyo) | | Emperor Hirohito | | |
| | LEBANON | (Beirut a) | | President Bechara El-Khoury | | |
| | CEYLON | (Colombo a + Kandy r) | | | | |
| | LUXEMBOURG | (Luxembourg a) | | Grand Duchess Charlotte | | |
| | MOROCCO | (Rabat a) | | Sultan Muhammad V | | |
| | MONACO | (Monaco q) | | Prince Louis II | | |
| | NETHERLANDS | (Amsterdam a + The Hague jlr + Wassenaar r) | | Queen Wilhelmina | | |
| | NORWAY | (Oslo) | | King Haakon VII | | |
| | NEW ZEALAND | (Wellington) | | King George VI | | |
| | KENYA-UGANDA TANGANYIKA | (Arusha) | | King George VI | | |
| | PERU | (Lima) | | President Jose Luis Bustamante y Rivero | | |
| | PHILIPPINES | (Manila a + Baguio City s) | | President Manuel Roxas | | |
| | POLAND | (Warsaw a) | | Wladyslaw Gomulka | | |
| | PALESTINE | (Jerusalem) | | King George VI | | |
| | PORTUGAL | (Lisbon) | | President Oscar Carmona | | |
| | RUMANIA | (Bucharest) | | King Michael I | | |
| | SWEDEN | (Stockholm) | | King Gustav V | | |
| | SINGAPORE | (Singapore) | | | | |
| | SOVIET UNION | (Moscow a + Sochi s) | | Joseph Stalin | | |
| | SYRIA | (Damascus) | | President Shukri al-Kuwatli | | |
| | SIAM | (Bangkok) | | King Rama IX Bhumibol Adulyadej | | |
| | TURKEY | (Ankara a) | | President Ismet Inonu | | |
| | UNITED KINGDOM | (London a + Westminster lr + Edinburgh s + Windsor r) | | King George VI | | |
| | AMERICA | (Washington-District of Columbia) | | President Harry Truman | | |
| | URUGUAY | (Montevideo) | | President Juan Jose de Amezaga | | |
| | INDOCHINA | (Saigon) | | Leon Blum | | |
| | YUGOSLAVIA | (Belgrade) | | Marshal Josip Broz Tito | | |
| | SOUTH AFRICA | (Pretoria ae + Cape Town l) | | King George VI | | |
| | SOUTHERN RHODESIA | (Salisbury) | | | | |