30 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 Edelmiro Julian Farrell | | |
| | BRAZIL | (Rio de Janeiro) | | President Getulio Vargas | | |
| | BYELORUSSIA | (Minsk) | | Panteleimon Ponomarenko | | |
| | CHILE | (Santiago of Chile a + Valparaiso l + Vina del Mar s) | | President Juan Antonio Rios | | |
| | CZECHOSLOVAKIA | (Prague a) | | President Edvard Benes | | |
| | CUBA | (Havana) | | President Ramon Grau San Martin | | |
| | DOMINICAN | (Ciudad Trujillo) | | President Generalissimo Rafael Leonidas Trujillo | | |
| | DENMARK | (Copenhagen) | | King Christian X | | |
| | EGYPT | (Cairo a + Alexandria r) | | King Farouk I | | |
| | FRANCE | (Paris) | | General Charles de Gaulle | | |
| | GREECE | (Athens a) | | Regent Archbishop Damaskinos | | |
| | HAITI | (Port Au Prince) | | President Elie Lescot | | |
| | IRAN | (Tehran) | | Mohammad Reza Shah Pahlavi | | |
| | LEBANON | (Beirut a) | | President Bechara El-Khoury | | |
| | LUXEMBOURG | (Luxembourg a) | | Grand Duchess Charlotte | | |
| | NICARAGUA | (Managua) | | President Anastasio Somoza Garcia | | |
| | NEW ZEALAND | (Wellington) | | King George VI | | |
| | PHILIPPINES | (Manila a + Baguio City s) | | President Sergio Osmena | | |
| | POLAND | (Warsaw a) | | Wladyslaw Gomulka | | |
| | PARAGUAY | (Assumption) | | President Higinio Morinigo | | |
| | SAUDI ARABIA | (Riyadh) | | King Abdul Aziz bin Saud | | |
| | SOVIET UNION | (Moscow a + Sochi s) | | Joseph Stalin | | |
| | EL SALVADOR | (San Salvador) | | President Salvador Castaneda Castro | | |
| | SYRIA | (Damascus) | | President Shukri al-Kuwatli | | |
| | TURKEY | (Ankara a) | | President Ismet Inonu | | |
| | CHINA | (Chungking t + Nanking c) | | Chiang Kai-Shek | | |
| | UKRAINE | (Kiev) | | Nikita Khrushchev | | |
| | 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 | | |