1921 state leaders - Events of 1922 - 1923 state leaders - State leaders by year

Africa

• 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 - Prince Arthur of Connaught, Governor-General of South Africa (1920-1924)
  • Prime Minister - Jan Smuts, Prime Minister of South Africa (1919-1924)
• Zanzibar - Sayyid Khalifa bin Harub Al-Busaid, Sultan of Zanzibar (1911-1960)

Asia

• Afghanistan - Amanullah Khan, King of Afghanistan (1919-1926)
• Brunei - Muhammad Jamalul Alam II, Sultan of Brunei (1906–1924)
• Republic of China
  • President -
    1. Hsü Shih-chang, President of the Republic of China (1918-1922)
    2. Li Yüan-hung, President of the Republic of China (1922-1923)
• Japan
  • Monarch - Taisho Emperor, Emperor of Japan (1912-1926)
  • Prime Minister -
    1. Takahashi Korekiyo, Prime Minister of Japan (1921-1922)
    2. Kato Tomosaburo, Prime Minister of Japan (1922-1923)
• 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 - Henry Forster, 1st Baron Forster of Lepe, Governor-General of Australia (1920-1925)
  • Prime Minister - Billy Hughes, Prime Minister of Australia (1915-1923)

Europe

• Albania -
  • Head of State - Second High Council (1921-1925)
• Denmark
  • Monarch - Christian X, King of Denmark (1912-1947)
  • Prime Minister - Niels Thomasius Neergaard , Prime Minister of Denmark (1920-1924)
• Finland -
  • President - Kaarlo Juho Ståhlberg, President of Finland (1919-1925)
  • Prime Minister -
    1. Juho Vennola , Prime Minister of Finland (1921-1922)
    2. Aimo Cajander, Prime Minister of Finland (1922)
    3. Kyösti Kallio, Prime Minister of Finland (1922-1924)
• France -
  • President - Alexandre Millerand, President of France (1920-1924)
  • Prime Minister -
    1. Aristide Briand, President of the Council (1921-1922)
    2. Raymond Poincaré, President of the Council (1922-1924)
• Germany -
  • President - Friedrich Ebert, President of Germany (1919-1925)
  • Chancellor -
    1. Joseph Wirth, Chancellor of Germany (1921-1922)
    2. Wilhelm Cuno, Chancellor of Germany (1922-1923)
• 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 -
    1. Ivanoe Bonomi, Prime Minister of Italy (1921-1922)
    2. Luigi Facta, Prime Minister of Italy (1922)
    3. Benito Mussolini, Prime Minister of Italy (1922-1943)
• Latvia -
  • President - Jānis Čakste, President of Latvia (1922-1927)
  • Prime Minister - Zigfrīds Anna Meierovics , Prime Minister of Latvia (1921-1923)
• Romania -
  • Monarch - Ferdinand, King of Romania (1914-1927)
• United Kingdom -
  • Monarch - George V, King of the United Kingdom (1910-1936)
  • Prime Minister -
    1. David Lloyd George, Prime Minister of the United Kingdom (1916-1922)
    2. Andrew Bonar Law, Prime Minister of the United Kingdom (1922-1923)

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)
• Newfoundland
  • Monarch - King George V, King of Newfoundland {1910-1936}
  • Governor -
  1. Charles A. Harris , Governor of Newfoundland (1917-1922)
  2. William L. Allardyce, Governor of Newfoundland (1922-1928)
  • Prime Minister - Richard Squires, Prime Minister of Newfoundland (1919-1923)
• United States - Warren Harding, President of the United States (1921-1923)

South America

• Brazil -
  1. Epitâcio da Silva Pessoa, President of Brazil (1919-1922)
  2. Artur da Silva Bernardes, President of Brazil (1922-1926)
• Paraguay - Eusebio Ayala , President of Paraguay (1921-1923)
• Peru - Augusto B. Leguía y Salcedo, President of Peru (1919-1930)