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

Africa

• Egypt
  1. Gains independence from British protectorate, 28 February. Sultan Fuad I changed title to King of 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 - 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 - Taishō, 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)
• Tonga
  • Monarch - Salote Tupou III, Queen of Tonga (1918 – 1965)
  • Prime Minister - T.P.Tu'ivakano, Prime Minister of Tonga, (1912 – 1923)

Europe

• Albania -
  • Head of State - Second High Council (1921-1925)
  • Prime Minister -
    1. Xhafer Ypi, Prime Minister of Albania (1921-1922)
    2. Amet Zogu, Prime Minister of Albania (1922-1924)
• Austria -
  • President - Michael Hainisch, President of Austria (1920-1928)
  • Chancellor -
    1. Johann Schober, Chancellor of Austria (1921-1922)
    2. Walter Breisky, Chancellor of Austria (1922)
    3. Johann Schober, Chancellor of Austria (1922)
    4. Ignaz Seipel, Chancellor of Austria (1922-1924)
• Belarus -
  • Head of State - Aleksandr Chervyakov, Chairman of the Central Executive Committee (1920-1937)
• Belgium -
  • Monarch - Albert I, King of the Belgians (1909-1934)
  • Prime Minister - Georges Theunis, Prime Minister of Belgium (1921-1925)
• Bulgaria
  • Monarch - Boris III, Tsar of the Bulgarians (1918-1943)
  • Prime Minister - Aleksandur Stamboliyski, Prime Minister of Bulgaria (1919-1923)
• Czechoslovakia
  • President - Tomás Masaryk, President of Czechoslovakia (1918-1935)
  • Prime Minister -
    1. Edvard Benes, Prime Minister of Czechoslovakia (1921-1922)
    2. Antonín Švehla, Prime Minister of Czechoslovakia (1922-1926)
• Denmark
  • Monarch - Christian X, King of Denmark (1912-1947)
  • Prime Minister - Niels Thomasius Neergaard, Prime Minister of Denmark (1920-1924)
• Estonia -
  • State Elder -
    1. Konstantin Päts, State Elder of Estonia (1921-1922)
    2. Juhan Kukk, State Elder of Estonia (1922-1923)
• 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)
• Greece -
  • Monarch -
    1. Constantine I, King of the Hellenes (1920-1922)
    2. George II, King of the Hellenes (1922-1924)
  • Prime Minister -
    1. Dimitrios Gounaris, Prime Minister of Greece (1921-1922)
    2. Nikolaos Stratos, Prime Minister of Greece (1922)
    3. Petros Protopapadakis, Prime Minister of Greece (1922)
    4. Nikolaos Triantaphyllakos, Prime Minister of Greece (1922)
    5. Anastasios Charalampis, Prime Minister of Greece (1922)
    6. Sotirios Krokidas, Prime Minister of Greece (1922)
    7. Stylianos Gonatas, Prime Minister of Greece (1922-1924)
• Hungary -
  • Regent - Miklós Horthy, Regent of Hungary (1920-1944)
  • Prime Minister - Count István Bethlen, Prime Minister of Hungary (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 -
    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)
• Kingdom of Serbs, Croats and Slovenes
  • Monarch - Alexander I, King of the Serbs, Croats, and Slovenes (1921-1934)
  • Prime Minister - Nikola Pasic, Prime Minister of the Kingdom of Serbs, Croats and Slovenes (1921-1924)
• Latvia -
  • President - Jānis Čakste, President of Latvia (1922-1927)
  • Prime Minister - Zigfrīds Anna Meierovics, Prime Minister of Latvia (1921-1923)
• Liechtenstein -
  • Monarch - Johann II, Prince of Liechtenstein (1858-1929)
  • Head of Government -
    1. Joseph Ospelt, Head of Government of Liechtenstein (1921-1922)
    2. Alfons Feger, Head of Government of Liechtenstein (1922)
    3. Felix Gubelmann, Head of Government of Liechtenstein (1922)
    4. Gustav Schädler, Head of Government of Liechtenstein (1922-1928)
• Lithuania
  • President - Aleksandras Stulginskis, President of Lithuania (1920-1926)
  • Prime Minister -
    1. Kazys Grinius, Prime Minister of Lithuania (1920-1922)
    2. Ernestas Galvanauskas, Prime Minister of Lithuania (1922-1924)
• Luxembourg
  • Monarch - Charlotte, Grand Duchess of Luxembourg (1919-1964)
  • Prime Minister - Émile Reuter, Prime Minister of Luxembourg (1918-1925)
• Netherlands -
  • Monarch - Wilhelmina, Queen of the Netherlands (1890-1948)
  • Prime Minister - Charles Ruijs de Beerenbrouck, Chairman of the Dutch council of ministers (1918-1925, 1929-1933)
• Norway
  • Monarch - Haakon VII, King of Norway (1905-1957)
  • Prime Minister - Otto Albert Blehr, Prime Minister of Norway (1921-1923)
• Ottoman Empire
  • Monarch - Mehmed VI, Sultan (1918-1922)
• Poland
  • Head of State -
    1. Józef Piłsudski, Chief of State (1919-1922)
    2. Gabriel Narutowicz, President of Poland (1922)
    3. Stanisław Wojciechowski, President of Poland (1922-1926)
  • Prime Minister -
    1. Antoni Ponikowski, President of the Ministers (1921-1922)
    2. Artur Śliwiński, President of the Ministers (1922)
    3. Julian Nowak, President of the Ministers (1922)
    4. Władysław Sikorski, President of the Council of Ministers (1922-1923)
• Portugal -
  • President - António José de Almeida, President of Portugal (1919-1923)
  • Prime Minister -
    1. Francisco Cunha Leal, President of the Ministry (1921-1922)
    2. António Maria da Silva, President of the Ministry (1922-1923)
• Romania -
  • Monarch - Ferdinand, King of Romania (1914-1927)
  • Prime Minister -
    1. Take Ionescu, Prime Minister of Romania (1921-1922)
    2. Ion Bratianu, Prime Minister of Romania (1922-1926)
• Russia
  • Head of State - Mikhail Kalinin, Chairman of the All-Russian Central Executive Committee (1919-1938)
  • Prime Minister - Vladimir Lenin, Chairman of the Council of People's Commissars (1917-1924)
• Spain
  • Monarch - Alfonso XIII, King of Spain (1886-1931)
  • Prime Minister -
    1. Antonio Maura, Prime Minister of Spain (1921-1922)
    2. José Sánchez Guerra, Prime Minister of Spain (1922)
    3. Manuel García Prieto, Prime Minister of Spain (1922-1923)
• Sweden
  • Monarch - Gustaf V, King of Sweden (1907-1950)
  • Prime Minister - Hjalmar Branting, Prime Minister of Sweden (1921-1923)
• Switzerland
  • President - Robert Haab, President of the Swiss Confederation (1922)
• Ukraine -
  • Head of State: Grigory Petrovsky, Chairman of the Central Executive Committee of Ukraine (1919-1938)
  • Head of Government: Khrystyan Rakovsky, Chairman of the Council of People's Commissars of Ukraine (1920-1923)
• 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)
• Costa Rica - Julio Acosta García, President of Costa Rica (1920–1924)
• Cuba - Alfredo Zayas y Alonso, President of Cuba (1921-1925)
• Mexico - Álvaro Obregón, President of Mexico (1920-1924)
• 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)
• Uruguay - Baltasar Brum, President of Uruguay (1919-1923)
• Venezuela -
  1. Victorino Márquez Bustillos, provisional President of Venezuela (1915-1922)
  2. Juan Vicente Gómez, President of Venezuela (1922-1929)