| Country |
Chief of State |
Head of Government |
| Afghanistan |
King Mohammed Zahir Shah |
Prime Minister Mohammed Daud Khan |
| Albania |
Chairman of the Presidium of the People's
Assembly Haxhi Llechi |
Chairman of the Council of Ministers Mehmet
Shehu |
| Argentina |
Provisional President Major
General Pedro Eugenio Aramburo |
| Australia |
Queen Elizabeth II of the United
Kingdom
Governor-General Field Marshal Sir William Slim |
Prime Minister Robert G. Menzies |
| Austria |
President Theodore Körner
(from January 4) Julius Raab
(from May 22) Adolf Schärf |
Chancellor Julius Raab |
| Belgium |
King Baudouin I |
Prime Minister Achille van Acker |
| Bolivia |
President Hernan Siles Zuazo |
| Brazil |
President Juscelino Kubitschek |
| Bulgaria |
Chairman of the Presidium of the National
Assembly General Gheorghi Damianov |
Chairman of the Council of Ministers Anton
Yugov |
| Burma |
President Ba U
(from March 13) U Win Maung |
Premier Ba Swe
(from March 1) U Nu |
| Cambodia |
King Norodom Suramarit |
Premier San Yun
(from April 9) Prince Norodom Sihanouk
(from July 1) Sim Var |
| Canada |
Queen Elizabeth II of the United
Kingdom
Governor-General Vincent Massey |
Prime Minister Louis Stephen St. Laurent
(from June 21) John Diefenbaker |
| Ceylon |
Queen Elizabeth II of the United
Kingdom
Governor-General Sir Oliver Goonetilleke |
Prime Minister Solomon West Ridgeway Dias
Bandaranaike |
| Chile |
President Carlos Ibáñez del Campo |
| China, Communist |
Chairman of the Central People's Government
Council Mao Tse-tung |
Chairman of the StateAdministrative Council Chou En-lai |
| China, Nationalist |
President Chiang Kai-shek |
Prime Minister O. K. Yui |
| Colombia |
President Rojas Pinilla
(from May 10) General Gabriel Paris, as head of a
five-man military junta |
| Costa Rica |
President José Figueres |
| Cuba |
President General Fulgencio Batista Zaldivar |
Premier Jorge Garcia Montes |
| Czechoslovakia |
President Antonin Zapotocky
(from November 19) Antonin Novotny |
Chairman of the Council of Ministers Viliam
Sirocky |
| Denmark |
King Frederik IV |
Prime Minister Hans C. Hansen |
| Dominican Republic |
President Hector B. Trujillo |
| Ecuador |
Camilio Ponce Enriquez |
| Egypt |
President Gamal Abdel Nasser |
| El Salvador |
President José María Lemus |
| Ethiopia |
Emperor Haile Selassie |
Prime Minister Bitwodded Makonnen Endalkachaw |
| Finland |
President Urho Kaleva Kekkonen |
Prime Minister Karl August Fagerholm
(from May 27) Väinö Johannes Sukselainen
(from November 29) Rainier von Fieandt |
| France |
President René Coty |
Premier Guy Mollet
(from ) Maurice Bourges-Maunoury
(from November 5) Félix Gaillard |
| Germany, East |
President Wilhelm Pieck |
Premier Otto Grotewohl |
| Germany, West |
President Theodor Huess |
Chancellor Konrad Adenauer |
| Ghana |
Queen Elizabeth II of the United
Kingdom
Governor-General Sir Charles Arden-Clarke
(from November 13) Lord Listowel |
Prime Minister Kwame Nkrumah |
| Greece |
King Paul I |
Prime Minister Constantine Karamanlis |
| Guatemala |
President Carlos Castillo Armas
(from July 26) Luis Arturo Gonzalez Lopez
(from October 26) Guillermo Flores Avendano |
| Haiti |
President Joseph Nemours
Pierre-Louis
(from February) Franck Sylvain
(from April) executive council
(from May) Daniel Fignolé
(from June 14) General A. T. Kebreau
(from October 22) François Duvalier |
| Honduras |
Colonel Hector Caraccioli and
Major Roberto Galvez Barnes |
| Hungary |
Chairman of the Presidium of the National
Assembly Istvan Dobi |
Chairman of the Council of Ministers Janos
Kadar |
| Iceland |
President Asgeir Asgeirsson |
Prime Minister Herman Jonasson |
| India |
President Rajendra Prasad |
Prime Minister Jawaharlal Nehru |
| Indonesia |
President Achmed Sukarno |
Premier Ali Sastroamidjojo
(from April 9) Djuanda Kartawidjaja |
| Iran |
Shah Mohammed Reza Pahlavi |
Prime Minister Hussein Ala
(from April 3) Manouchehr Ikbal |
| Iraq |
King Faisal II |
Premier Nuri es-Said
(from June 17) Ali Jawdat sl-Ayubi
(from December 15) Abdul Wahab Marjan |
| Ireland |
President Sean T. O'Kelly |
Prime Minister John A. Costello
(from March 20) Eamon de Valera |
| Israel |
President Izhak Ben-Zvi |
Premier David Ben-Gurion |
| Italy |
President Giovanni Gronchi |
Prime Minister Antonio Segni
(from May 19) Adone Zoli |
| Japan |
Emperor Hirohito |
Prime Minister Tanzan Ishibashi
(from February 25) Nobusuke Kishi |
| Jordan |
King Hussein |
Prime Minister Suleiman Nabulsi
(from April 15) Hussein Khalidi
(from April 25) Ibrahim Hashem |
| Korea, North |
Premier Kim Il Sung |
| Korea, South |
President Syngman Rhee |
| Laos |
King Sisavang Vong |
Premier Prince Souvanna Phouma |
| Lebanon |
President Camille Chamoun |
Prime Minister Sami el-Solh |
| Liberia |
President William V.S. Tubman |
| Libya |
King Mohammed Idris el Senussi |
Prime Minister Mustafa Ahmed ben Halim
(until May 24) Abdul Majid Kubar |
| Liechtenstein |
Sovereign Prince Franz-Josef II |
Minister-President Alexander Frick |
| Luxembourg |
Grand Duchess Charlotte |
Premier Minister Joseph Bech |
| Malaya |
Paramount Ruler Tuanku Sir Abdul Rahman Ibni
al-Marhum |
Prime Minister Tengku Abdur Rahman Putra |
| Mexico |
President Adolfo Ruiz Cortines |
| Monaco |
Prince Rainier III |
Minister of State Henri Soum |
| Mongolia |
Chairman of the Presidium of the Great Khural
Zh. Sambu |
Chairman of the Council of Ministers
Yumzhaghiyin Tsedenbal |
| Morocco |
King Mohammed V |
Prime Minister M'Barek ben Mustafa el-Bekai |
| Muscat and Oman |
Sultan Said bin Taimur |
| Nepal |
King Mahendra Bir Bikram Shah Deva |
Prime Minister Tanka Prasad Acharya
(from July 26) Kunwar Indrajit Singh |
| Netherlands |
Queen Juliana |
Prime Minister William Drees |
| New Zealand |
Queen Elizabeth II of the United
Kingdom
Governor-General Lieutenant-General Sir
Willoughby Norrie
(from September 5) Lord Cobham |
Prime Minister Sidney G. Holland
(from September 20) Keith J. Holyoake
(from December 11) Walter Nash |
| Nicaragua |
President Luis Somoza de Bayle |
| Norway |
King Haakon VII
(from September 21) Olav V |
Prime Minister Einar H. Gerhardsen |
| Pakistan |
President Major General Iskander Mirza |
Prime Minister Huseyn Shaheed Suhrawardy
(from October 17) Ibrahim Ismail Chundrigar
(from December 16) Feroz Khan Noon |
| Panama |
President Ernesto de la Guardia |
| Paraguay |
President Alfredo Stroessner |
| Peru |
President Manuel Prado y Ugarteche |
Premier Manuel Cisneros Sanchez |
| Philippines |
President Ramón Magsaysay
(from March 18) Carlos P. Garcia |
| Poland |
Chairman of the Council of State Aleksander
Zawadzki |
Chairman of the Council of Ministers Jozef
Cyrankiewicz |
| Portugal |
President General Francisco Higino Craveiro
Lopez |
Premier Antonio de Oliveira Salazar |
| Romania |
Chairman of the Presidium of the Grand
National Assembly Petru Groza |
Chairman of the Council of Ministers Chivu
Stoica |
| Saudi Arabia |
King Saud Ibn Abdul Aziz |
Prime Minister Crown Prince Emir Faisal |
| South Africa |
Queen Elizabeth II of the United
Kingdom
Governor-General Dr. Ernest G. Jansen |
Prime Minister Johannes G. Strijdom |
| Soviet Union |
Premier Nikolai Bulganin |
First Secretary of the Communist Party Nikita Khrushchev |
| Spain |
President General Francisco
Franco |
| Sudan |
|
Prime Minister Abdullah Khalil |
| Sweden |
King Gustavus VI Adolphus |
Prime Minister Tage Erlander |
| Switzerland |
President of the Federal Council
Hans Streuli |
| Syria |
President Shukri el-Kuwatli |
Prime Minister Sabri el-Assali |
| Thailand |
King Phumiphon Aduldet |
Prime Minister Pibul Songgram
(from September 16) Pote Sarasin
(from) General Thanom Kittikachorn |
| Tunisia |
Bey of Tunis Sidi Mohammed
el-Amin
(from July ) President Habib Bourguiba |
| Turkey |
President Celel Bayar |
Prime Minister Adnan Menderes |
| United Kingdom |
Queen Elizabeth II |
Prime Minister Sir Anthony Eden
(from January 10) Harold Macmillan |
| United States |
President Dwight D. Eisenhower |
| Uruguay |
President of the Governing
Council Arturo Lezama |
| Venezuela |
President General Marcos Pérez
Jiménez |
| Vietnam, North |
President Ho Chi-minh |
Premier Pham Van-dong |
| Vietnam, South |
President Ngo Dinh Diem |
| Yemen |
Imam Ahmed Ibn Yahya Nasir Li-Din
Allah |
| Yugoslavia |
Premier Marshal Josip Broz |
