1948 state leaders - Events of 1949 - 1950 state leaders - State leaders by year

Africa

• Liberia - William V.S. Tubman, President of Liberia (1944-1971)
• South Africa
  • Monarch - George VI, King of South Africa (1936-1952)
  • Governor-General - Gideon Brand van Zyl, Governor-General of South Africa (1946-1951)
  • Prime Minister - Daniel François Malan, Prime Minister of South Africa (1948-1954)
• Zanzibar - Sayyid Khalifa bin Harub Al-Busaid, Sultan of Zanzibar (1911-1960)

Asia

• Afghanistan
  • Monarch - Mohammed Zahir Shah, King of Afghanistan (1933-1973)
  • Prime Minister - Sardar Shah Mahmud Khan , Prime Minister of Afghanistan (1946-1953)
• Brunei - Ahmad Tajuddin, Sultan of Brunei (1924–1950)
• People's Republic of China
  • declared on October 1
  • President - Mao Zedong, Chairman of the Central People's Government (1949-1954)
  • Premier - Zhou Enlai, Premier of the State Council (1949-1976)
  • Head of Communist Party - Mao Zedong, Chairman of the Communist Party of China (1935-1976)
• Republic of China
  • retreats to Taiwan
  • President -
    1. Chiang Kai-Shek, President of the Republic of China (1947-1975)
    2. Li Tsung-jen, Acting President of the Republic of China (1949-1950)
  • Premier -
    1. Sun Fo, President of the Executive Yuan (1948-1949)
    2. Ho Ying-chin , President of the Executive Yuan (1949)
    3. Yen Hsi-shan, President of the Executive Yuan (1949-1950)
• India -
  • Monarch - George VI, King of India (1947-1950)
  • Governor-General - Chakravarti Rajagopalachari, Governor-General of India (1948-1950)
  • Prime Minister - Jawaharlal Nehru, Prime Minister of India (1947-1964)
• Israel -
  • Head of State - Chaim Weizmann, President of the Provisional State Council (1948-1949), then President of Israel (1949-1952)
  • Prime Minister - David Ben-Gurion, Prime Minister of Israel (1948-1953)
• Indonesia - Soekarno, President of Indonesia (1945 - 1967)
• Japan -
  • Monarch - Showa Emperor, Emperor of Japan (1926-1989)
  • Prime Minister - Shigeru Yoshida, Prime Minister of Japan (1948 - 1954)
• South Korea -
  • President - Syngman Rhee, President of the Republic of Korea (1948-1960)
  • Prime Minister - Yi Pom-sok , Prime Minister of the Republic of Korea (1948-1950)
• Oman - Said Bin Taimur, Sultan of Oman (1932-1970)
• Pakistan -
  • Monarch - George VI, King of Pakistan (1947-1952)
  • Governor-General - Khwaja Nazimuddin, Governor-General of Pakistan (1948-1951)
  • Prime Minister - Liaqat Ali Khan, Prime Minister of Pakistan (1947-1951)
• Thailand
  • Monarch - Bhumibol Adulyadej (King Rama IX), (1946 -)

Australia and Oceania

• Australia -
  • Monarch - George VI, King of the United Kingdom (1936-1952)
  • Governor-General - Sir. William McKell, Governor-General of Australia (1947-1953)
  • Prime Minister -
    1. Ben Chifley, Prime Minister of Australia (1945-1949)
    2. Sir. Robert Menzies, Prime Minister of Australia (1949-1966)

Europe

• Albania - Omer Nishani , Chairman of the Presidium (1946-1953)
• Denmark
  • Monarch - Frederick IX, King of Denmark (1947-1972)
  • Prime Minister - Hans Hedtoft, Prime Minister of Denmark (1945-1950)
• France -
  • President - Vincent Auriol, President of France (1947-1954)
  • Prime Minister -
    1. Henri Queuille, President of the Council (1948-1949)
    2. Georges Bidault, President of the Council (1949-1950)
• Germany -
  • Administered by Allied Occupation Forces (1945-1949)
  • Federal Republic of Germany formed from the British, French, and American zones 7 September 1949
  • German Democratic Republic formed from the Soviet zone 7 October 1949)
• Federal Republic of Germany -
  • President -
    1. Karl Arnold, Acting President of the Federal Republic of Germany (1949)
    2. Theodor Heuss, President of the Federal Republic of Germany (1949-1959)
  • Chancellor - Konrad Adenauer, Chancellor of the Federal Republic of Germany (1949-1963)
• German Democratic Republic -
  • Communist Party Leader - Wilhelm Pieck and Otto Grotewohl, Co-Chairmen of the Socialist Unity Party (1946-1950)
  • President - Wilhelm Pieck, President of the German Democratic Republic (1949-1960)
  • Premier - Otto Grotewohl, Chairman of the Council of Ministers (1949-1964)
• Éire (Ireland) -
  • Monarch - George VI, King of Ireland (1936-1949)
  • President - Sean T. O'Kelly, President of Ireland (1945-1959)
  • Prime Minister - John A. Costello, Taoiseach (1948-1951)
• Italy -
  • President - Luigi Einaudi, President of Italy (1948-1955)
  • Prime Minister - Alcide De Gasperi, Prime Minister of Italy (1945-1953)
• United Kingdom -
  • Monarch - George VI, King of the United Kingdom (1936-1952)
  • Prime Minister - Clement Attlee, Prime Minister of the United Kingdom (1945-1951)
• Vatican City
  • Pope - Pius XII, Bishop of Rome (1939-1958)

North America and the Caribbean

• Canada -
  • Monarch - George VI, King of Canada (1936-1952)
  • Governor-General - The Earl Alexander of Tunis, Governor-General of Canada (1946-1952)
  • Prime Minister - Louis St. Laurent, Prime Minister of Canada (1948-1957)
• United States - Harry S. Truman, President of the United States (1945-1953)

South America

• Brazil - Eurico Gaspar Dutra, President of Brazil (1946-1951)
• Paraguay -
  1. Raimundo Rolon , President of Paraguay (1949)
  2. Felipe Molas López , President of Paraguay (1949)
  3. Federico Chaves , President of Paraguay (1949-1954)
• Peru - Manuel A. Odría, President of Peru (1948-1956)