1940 state leaders - Events of 1941 - 1942 state leaders - State leaders by year

Africa

• Egypt - Farouk I, King of Egypt (1936-1952)
• Liberia - Edwin Barclay, President of Liberia (1930-1944)
• South Africa -
  • Monarch - George VI, King of South Africa (1936-1952)
  • Governor-General - Sir Patrick Duncan, Governor-General of South Africa (1937-1943)
  • Prime Minister - Jan Smuts, Prime Minister of South Africa (1939 - 1948)
• 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 Mohammad Hashim Khan, Prime Minister of Afghanistan (1929-1946)
• Brunei - Ahmad Tajuddin, Sultan of Brunei (1924–1950)
• Republic of China
  • Chongqing Government (pro-Allies)
    • President - Lin Sen, Chairman of the National Government (1932-1943)
    • Premier - Chiang Kai-shek, President of the Executive Yuan (1939-1945)
  • Nanjing Government (pro-Japanese)
    • President - Wang Jingwei, Chairman of the National Government (1940-1944)
• India -
  • Monarch - George VI, Emperor of India (1936-1947)
  • Viceroy - The Marquess of Linlithgow, Viceroy of India (1936-1943)
• Japan -
  • Monarch - Showa Emperor, Emperor of Japan (1926-1989)
  • Prime Minister -
    1. Fumimaro Konoe, Prime Minister of Japan (1940-1941)
    2. Hideki Tojo, Prime Minister of Japan (1941-1944)
• Manchukuo - Aisin-Gioro Puyi, Emperor of Manchukuo (1934-1945)
• Oman - Said Bin Taimur, Sultan of Oman (1932-1970)

Australia and Oceania

• Australia -
  • Monarch - George VI, King of Australia (1936-1952)
  • Governor-General - Alexander Hore-Ruthven, 1st Baron of Gowrie, Governor-General of Australia (1936-1952)
  • Prime Minister -
    1. Robert Menzies, Prime Minister of Australia (1939-1941)
    2. Arthur Fadden, Prime Minister of Australia (1941-1941)
    3. John Curtin, Prime Minister of Australia (1941-1945)
• New Zealand -
  • Monarch - George VI, King of the British Dominions Beyond the Seas (1936-1952)
  • Governor-General -
    1. The Viscount Galway, Governor-General of New Zealand (1935-1941)
    2. Sir Cyril Newall, Governor-General of New Zealand (1941-1946)
  • Prime Minister - Peter Fraser, Prime Minister of New Zealand (1940-1946)
• Tonga
  • Monarch - Salote Tupou III, Queen of Tonga (1918 – 1965)
  • Prime Minister -
  1. Viliami Tungi Mailefihi, Prime Minister of Tonga, (1923 – 1941)
  2. S. Ata, Prime Minister of Tonga, (1941 – 1949)

Europe

• Albania - Victor Emmanuel III, King of Italy and Albania (1939-1946)
• Belgium
  • Monarch - Léopold III, King of the Belgians (1934-1951)
  • Prime Minister - Hubert Pierlot, Prime Minister of Belgium (1939-1945)
• Denmark
  • Monarch - Christian X, King of Denmark (1912-1947)
  • Prime Minister - Thorvald Stauning, Prime Minister of Denmark (1929-1942)
• Éire (Ireland) -
  • Monarch - George VI, King of Ireland (1936-1949)
  • President - Douglas Hyde, President of Ireland (1938-1945)
  • Prime Minister - Éamon de Valera, Taoiseach (1937-1948)
• France -
  • Head of State - Philippe Pétain, Head of State (1940-1944)
  • Prime Minister - Philippe Pétain, President of the Council (1940-1942)
• Germany -
  • Head of State - Adolf Hitler, Führer (1934-1945)
  • Chancellor - Adolf Hitler, Chancellor of Germany (1933-1945)
• Hungary -
  • Regent - Miklós Horthy, Regent of Hungary (1920-1944)
  • Prime Minister -
    1. Count Pál Teleki (16 February 1939 - 3 April 1941)
    2. László Bárdossy (1941 - 1942)
• Italy -
  • Monarch -Vittorio Emanuele III, King of Italy (1900-1946)
  • Prime Minister - Benito Mussolini, Prime Minister of Italy (1922-1943)
• Liechtenstein -
  • Monarch - Franz Joseph II, Prince of Liechtenstein (1938-1989)
  • Head of Government - Josef Hoop, Head of Government (1928-1945)
• Netherlands - (Government in exile)
  • Monarch - Wilhelmina, Queen of the Netherlands (1890-1948)
  • Prime Minister - Pieter Gerbrandy, Chairman of the Dutch council of ministers (1940-1945)
• Norway (Government in exile) -
  • Monarch - Haakon VII of Norway, King of Norway (1905-1957)
  • Prime Minister - Johan Nygaardsvold, Prime Minister of Norway (1935-1945)
• Poland (Government in exile)
  • President - Władysław Raczkiewicz, President of Poland (1939-1947)
  • Prime Minister - Władysław Sikorski, President of the Council of Ministers (1939-1943)
• Portugal -
  • President - António Óscar Carmona, President of Portugal (1926-1951)
  • Prime Minister - António de Oliveira Salazar, President of the Council of Ministers (1932-1968)
• Soviet Union -
  • Premier of the Soviet Union - Joseph Stalin
• Spain -
  • Generalísimo - Francisco Franco, Head of the Spanish State and President of the Government (1939-1975), (1939-1973)
• Sweden
  • Monarch - Gustaf V, King of Sweden (1907-1950)
  • Prime Minister - Per Albin Hansson, Prime Minister of Sweden (1936-1946)
• Turkey -
  • President - İsmet İnönü, President of Turkey (1938-1950)
  • Prime Minister - Refik Saydam, Prime Minister of Turkey (1939-1942)
• United Kingdom -
  • Monarch - George VI, King of the United Kingdom (1936-1952)
  • Prime Minister - Winston Churchill, Prime Minister of the United Kingdom (1940-1945)
• Vatican City
  • Pope - Pius XII, Bishop of Rome (1939-1958)
  • Secretary of State - Luigi Cardinal Maglione, Cardinal Secretary of State (1939-1944)

North America and the Caribbean

• Canada
  • Monarch - George VI, King of Canada (1936-1952)
  • Governor General - The Earl of Athlone, Governor General of Canada (1940-1946)
  • Prime Minister - William Lyon Mackenzie King, Prime Minister of Canada (1935-1948)
• Costa Rica - Rafael Ángel Calderón Guardia, President of Costa Rica (1940–1944)
• Cuba
  • President - Fulgencio Batista, President of Cuba (1940-1944)
  • Premier - Carlos Saladridgas, Premier of Cuba (1940-1942)
• United States - Franklin Roosevelt, President of the United States (1933-1945)

South America

• Argentina - Roberto Ortiz, President of Argentina (1938-1942)
• Bolivia - Enrique Peñaranda - President of Bolivia (1940-1943)
• Brazil - Getúlio Vargas, President of Brazil (1930-1945)
• Colombia - Eduardo Santos Montejo, President of Colombia (1938-1942)
• Ecuador - Carlos Alberto Arroyo del Río, Acting President of Ecuador (1939-1944)
• Paraguay - Higinio Moriñigo, President of Paraguay (1940-1948)
• Peru - Manuel Prado y Ugarteche, President of Peru (1939-1945)
• Uruguay - Alfredo Baldomir, President of Uruguay (1938-1943)
• Venezuela -

1. Eleazar López Contreras, President of Venezuela (1935-1941)
2. Isaias Medina Angarita, President of Venezuela (1941-1945)