55 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. ] :
 |  | AFGHANISTAN | (Kabul) |  | King Mohammad Zahir Shah |  | |
 |  | ARGENTINE | (Buenos Aires a + Olivos r) |  | President Pedro Eugenio Aramburu |  | |
 |  | AUSTRIA | (Vienna) |  | President Theodor Koerner |  | |
 |  | BELGIUM | (Brussels) |  | King Baudoin I | | |
 |  | BULGARIA | (Sofia) |  | Todor Zhivkov | | |
 |  | BYELORUSSIA | (Minsk) |  | Nikolai Patolichev | | |
 |  | SWITZERLAND | (Berne lq + Lausanne j) |  | President Markus Feldmann | | |
 |  | CHILE | (Santiago of Chile a + Valparaiso l + Vina del Mar s) |  | President Carlos Ibanez del Campo | | |
 |  | CHINA-PEKING | (Peking) |  | Mao Tse-Tung the Great Helmsman | | |
 |  | CUBA | (Havana) |  | President Fulgencio Batista |  | |
 |  | WEST GERMANY | (Bonn ar + Karlsruhe d) |  | Bundespresident Theodor Heuss | | |
 |  | DENMARK | (Copenhagen) |  | King Frederick IX | | |
 |  | ECUADOR | (San Francisco of Quito) |  | President Jose Maria Velasco Ibarra | | |
 |  | EGYPT | (Cairo a + Alexandria r) |  | Gamal Abdel Nasser |  | |
 |  | SPAIN | (Madrid) |  | Caudillo Francisco Franco | | |
 |  | FINLAND | (Helsinki a + Kultaranta s) |  | President Juho Kusti Paasikivi | | |
 |  | FRENCH UNION | (Paris) |  | President Rene Coty | | |
 |  | GREECE | (Athens a) |  | King Paul I | | |
 |  | GUATEMALA | (Guatemala City) |  | Carlos Castillo Armas | | |
 |  | HUNGARY | (Budapest a) |  | Matyas Rakosi | | |
 |  | ISRAEL | (West Jerusalem qu + Tel Aviv-Jaffa i) |  | President Yitzhak Ben-Zvi | | |
 |  | INDIA | (New Delhi a + Simla s + Bolarum w) |  | President Rajendra Prasad | | |
 |  | IRAQ | (Baghdad) |  | King Faysal II | | |
 |  | ITALY | (Rome a) |  | President Giovanni Gronchi | | |
 |  | JORDAN | (Amman) |  | King Hussein I | | |
 |  | JAPAN | (Tokyo) |  | Emperor Hirohito | | |
 |  | LAOS | (Vientiane a + Luangphrabang r) |  | King Sisavang Vong | | |
 |  | LEBANON | (Beirut a + Baabda r) |  | President Camille Chamoun | | |
 |  | LIECHTENSTEIN | (Vaduz) |  | Prince Franz Joseph II | | |
 |  | LIBERIA | (Monrovia) |  | President William Tubman | | |
 |  | LUXEMBOURG | (Luxembourg a) |  | Grand Duchess Charlotte | | |
 |  | LIBYA | (Tripoli a + Benghazi a + El Beida by + Tobruk b) |  | King Idris I | | |
 |  | MOROCCO | (Rabat a) |  | Sultan Muhammad V | | |
 |  | MONACO | (Monaco q) |  | Prince Rainier III | | |
 |  | MEXICO | (Mexico City) |  | President Adolfo Ruiz Cortines | | |
 |  | NICARAGUA | (Managua) |  | President Anastasio Somoza Garcia | | |
 |  | NETHERLANDS | (Amsterdam a + The Hague jlr + Wassenaar r) |  | Queen Juliana | | |
 |  | NORWAY | (Oslo) |  | King Haakon VII | | |
 |  | PANAMA | (Panama City) |  | President Ricardo Arias Espinosa | | |
 |  | PERU | (Lima) |  | President Manuel Arturo Odria | | |
 |  | PHILIPPINES | (Quezon City a + Manila l + Baguio City s) |  | President Ramon Magsaysay | | |
 |  | PAKISTAN | (Karachi) |  | Iskander Mirza | | |
 |  | POLAND | (Warsaw a) |  | Boleslaw Bierut | | |
 |  | RUMANIA | (Bucharest) |  | Gheorghe Gheorghiu-Dej | | |
 |  | SWEDEN | (Stockholm) |  | King Gustav VI Adolphe | | |
 |  | SAN MARINO | (San Marino) |  | Captains Regent | | |
 |  | EL SALVADOR | (San Salvador) |  | President Oscar Osorio | | |
 |  | SYRIA | (Damascus) |  | President Shukri al-Kuwatli | | |
 |  | THAILAND | (Bangkok) |  | King Rama IX Bhumibol Adulyadej | | |
 |  | TURKEY | (Ankara a) |  | President Celal Bayar | | |
 |  | UKRAINE | (Kiev) |  | Aleksey Kirichenko | | |
 |  | AMERICA | (Washington-District of Columbia) |  | President Dwight David Eisenhower | | |
 |  | HOLY SEE | (Vatican City) |  | Pope Pius XII | | |
 |  | VENEZUELA | (Caracas) |  | President Marcos Perez Jimenez | | |
 |  | SOUTH AFRICA | (Pretoria ae + Cape Town l) |  | Queen Elizabeth II | | |
