1924 state leaders - Events of 1925 - 1926 state leaders - State leaders by year

Africa

• Egypt - Fuad I, King of Egypt (1922-1936)
• Ethiopia - Zauditu, Emperor of Ethiopia (1916-1930)
• Liberia - Charles D.B. King, President of Liberia (1920-1930)
• South Africa
  • Monarch - King George V, King of South Africa (1910-1936)
  • Governor-General - Earl of Athlone, Governor-General of South Africa (1924-1931)
  • Prime Minister - Barry Herzog, Prime Minister of South Africa (1924-1939)
• Zanzibar - Sayyid Khalifa bin Harub Al-Busaid, Sultan of Zanzibar (1911-1960)

Asia

• Afghanistan - Amanullah Khan, King of Afghanistan (1919-1926)
• Brunei - Ahmad Tajuddin, Sultan of Brunei (1924–1950)
• Republic of China - Tuan Chi-Jui, President of the Republic of China (1924-1926)
• Japan
  • Monarch - Taishō, Emperor of Japan (1912-1926)
  • Prime Minister - Kato Takaaki, Prime Minister of Japan (1924-1926)
• Oman - Taimur Bin Faisal, Sultan of Oman (1913-1932)

Australia and Oceania

• Australia -
  • Monarch - George V, King of the United Kingdom (1910-1936)
  • Governor-General -
    1. Henry Forster, 1st Baron Forster of Lepe, Governor-General of Australia (1920-1925)
    2. John Baird, 1st Baron of Stonehaven, Governor-General of Australia (1925-1931)
  • Prime Minister - Stanley Bruce, Prime Minister of Australia (1923-1929)
• Tonga
  • Monarch - Salote Tupou III, Queen of Tonga (1918 – 1965)
  • Prime Minister - Viliami Tungi Mailefihi, Prime Minister of Tonga, (1923 – 1941)

Europe

• Albania -
  • Head of State -
    1. Second High Council (1921-1925)
    2. Amet Zogu, President of Albania (1925-1928)
• Austria -
  • President - Michael Hainisch, President of Austria (1920-1928)
  • Chancellor - Rudolf Ramek, Chancellor of Austria (1924-1926)
• Belgium -
  • Monarch - Albert I, King of the Belgians (1909-1934)
  • Prime Minister -
    1. Georges Theunis, Prime Minister of Belgium (1921-1925)
    2. Aloys van de Vyvere, Prime Minister of Belgium (1925)
    3. Prosper Poullet, Prime Minister of Belgium (1925-1926)
• Denmark
  • Monarch - Christian X, King of Denmark (1912-1947)
  • Prime Minister - Thorvald August Marinus Stauning, Prime Minister of Denmark (1924-1926)
• Estonia -
  • State Elder -
    1. Jüri Jaakson, State Elder of Estonia (1924 December 16 - 1925 December 15)
    2. Jaan Teemant, State Elder of Estonia (1925 December 15 - 1927 December 9)
• Finland -
  • President -
    1. Kaarlo Juho Ståhlberg, President of Finland (1919-1925)
    2. Lauri Kristian Relander, President of Finland (1925-1931)
  • Prime Minister -
    1. Lauri Ingman, Prime Minister of Finland (1924-1925)
    2. Antti Tulenheimo, Prime Minister of Finland (1925)
    3. Kyösti Kallio, Prime Minister of Finland (1925-1926)
• France -
  • President - Gaston Doumergue, President of France (1924-1931)
  • Prime Minister -
    1. Édouard Herriot, President of the Council (1924-1925)
    2. Paul Painlevé, President of the Council (1925)
    3. Aristide Briand, President of the Council (1925-1926)
• Germany -
  • President -
    1. Friedrich Ebert, Reich President (1919-1925)
    2. Hans Luther, Acting President of Germany (1925)
    3. Walter Simons, Acting President of Germany (1925)
    4. Paul von Hindenburg, Reich President (1925-1934)
  • Chancellor -
    1. Wilhelm Marx, Chancellor of Germany (1923-1925)
    2. Hans Luther, Chancellor of Germany (1925-1926)
• Hungary -
  • Regent - Miklós Horthy (1920-1944)
  • Prime Minister - Count István Bethlen (1921-1931)
• Irish Free State -
  • Monarch - George V, King (1910-1936)
  • Governor-General - Timothy Michael Healy, Governor-General of the Irish Free State (1922-1928)
  • Prime Minister - W. T. Cosgrave, President of the Executive Council of the Irish Free State (1922-1932)
• Italy -
  • Monarch - Vittorio Emanuele III, King of Italy (1900-1946)
  • Prime Minister - Benito Mussolini, Prime Minister of Italy (1922-1943)
• Latvia -
  • President - Jānis Čakste, President of Latvia (1922-1927)
  • Prime Minister -
    1. Hugo Celmiņš, Prime Minister of Latvia (1924-1925)
    2. Kārlis Ulmanis, Prime Minister of Latvia (1925-1926)
• Liechtenstein -
  • Monarch - Johannes II, Prince of Liechtenstein (1858-1929)
  • Head of Government - Gustav Schädler, Head of Government (1922-1928)
• Luxembourg
  • Monarch - Charlotte, Grand Duchess of Luxembourg (1919-1964)
  • Prime Minister -
    1. Émile Reuter, Prime Minister of Luxembourg (1918-1925)
    2. Pierre Prüm, Prime Minister of Luxembourg (1925-1926)
• Netherlands -
  • Monarch - Wilhelmina, Queen of the Netherlands (1890-1948)
  • Prime Minister -
    1. Charles Ruijs de Beerenbrouck, Chairman of the Dutch council of ministers (1918-1925, 1929-1933)
    2. Hendrik Colijn, Chairman of the Dutch council of ministers (1925-1926, 1933-1939)
• Poland
  • President - Stanisław Wojciechowski, President of Poland (1922-1926)
  • Prime Minister -
    1. Władysław Grabski, President of the Council of Ministers (1923-1925)
    2. Aleksander Skrzyński, President of the Council of Ministers (1925-1926)
• Portugal
  • President -
    1. Manuel Teixeira Gomes, President of Portugal (1923-1925)
    2. Bernardino Machado, President of Portugal (1925-1926)
  • Prime Minister -
    1. José Domingues dos Santos, President of the Ministry (1924-1925)
    2. Vitorino Guimarães, President of the Ministry (1925)
    3. António Maria da Silva, President of the Ministry (1925)
    4. Domingos Pereira, President of the Ministry (1925)
    5. António Maria da Silva, President of the Ministry (1925-1926)
• Romania -
  • Monarch - Ferdinand, King of Romania (1914-1927)
• Sweden
  • Monarch - Gustaf V, King of Sweden (1907-1950)
  • Prime Minister -
  1. Hjalmar Branting, Prime Minister of Sweden (1924-1925)
  2. Rickard Sandler, Prime Minister of Sweden (1925-1926)
• Turkey -
  • President - Mustafa Kemal Atatürk, President of Turkey (1923-1938)
  • Prime Minister -
    1. Ali Fethi Okyar, Prime Minister of Turkey (1924-1925)
    2. İsmet İnönü, Prime Minister of Turkey (1925-1937)
• United Kingdom -
  • Monarch - George V, King of the United Kingdom (1910-1936)
  • Prime Minister - Stanley Baldwin, Prime Minister of the United Kingdom (1924-1929)

North America and the Caribbean

• Canada
  • Monarch - George V, King of Canada (1910-1936)
  • Governor-General - The Viscount Byng of Vimy, Governor-General of Canada (1921-1926)
  • Prime Minister - William Lyon Mackenzie King, Prime Minister of Canada (1921-1926)
• Costa Rica - Ricardo Jiménez Oreamuno, President of Costa Rica (1924–1928)
• Cuba
  1. Alfredo Zayas y Alonso, President of Cuba (1921-1925)
  2. Gerardo Machado, President of Cuba (1925-1933)
• Newfoundland
  • Monarch - King George V, King of Newfoundland {1910-1936}
  • Governor - William L. Allardyce, Governor of Newfoundland (1922-1928)
  • Prime Minister - Walter Stanley Monroe, Prime Minister of Newfoundland (1924-1928)
• United States - Calvin Coolidge, President of the United States (1923-1929)

South America

• Brazil - Artur da Silva Bernardes, President of Brazil (1922-1926)
• Paraguay - Eligio Ayala, provisional President of Paraguay (1924-1928)
• Peru - Augusto B. Leguía y Salcedo, President of Peru (1919-1930)
• Uruguay - José Serrato, President of Uruguay (1923-1927)
• Venezuela - Juan Vicente Gómez, President of Venezuela (1922-1929)