1910 state leaders - Events of 1911 - 1912 state leaders - State leaders by year

Africa

• Ethiopia - Menelik II, Emperor of Ethiopia (1889-1913)
• Liberia - Arthur Barclay, President of Liberia (1904-1912)
• South Africa
  • Monarch - King George V, King of South Africa (1910-1936)
  • Governor-General - Viscount Gladstone, Governor-General of South Africa, (1910-1914)
  • Prime Minister - Louis Botha, Prime Minister of South Africa 1910-1919)
• Zanzibar -
  1. Sayyid Ali bin Hamud Al-Busaid, Sultan of Zanzibar (1902-1911)
  2. Sayyid Khalifa bin Harub Al-Busaid, Sultan of Zanzibar (1911-1960)

Asia

• Afghanistan - Habibullah Khan, King of Afghanistan (1901 - 1919)
• China (Qing Dynasty)
  • Monarch - Xuantong Emperor of China (1908 - 1912)
  • Regent -
    1. Prince Zaifeng (1908 - 1911)
    2. Empress Dowager Longyu (1911 - 1912)
  • Prime Minister -
    1. Prince Yiguang, Prime Minister of the Qing Empire (1911)
    2. Yuan Shikai, Prime Minister of the Qing Empire (1911 - 1912)
• Hong Kong
  • Monarch - George V, King of the United Kingdom (1910 - 1936)
  • Governor- Lord Frederick Lugard (1907-1912)
• Japan
  • Monarch - Meiji Emperor, Emperor of Japan, (1867 - 1912)
  • Prime Minister -
    1. Katsura Taro, Prime Minister of Japan, (1908 - 1911)
    2. Saionji Kinmochi, Prime Minister of Japan, (1911 - 1912)
• Oman - Faisal Bin Turki, Sultan of Oman (1888 - 1913)

Australia and Oceania

• Australia -
  • Monarch - George V, King of the United Kingdom (1910 - 1936)
  • Governor-General -
    1. William Ward, 2nd Earl of Dudley, Governor-General of Australia (1908 - 1911)
    2. Thomas Denman, 3rd Baron of Denman, Governor-General of Australia (1911 - 1914)
  • Prime Minister - Andrew Fisher, Prime Minister of Australia (1910 - 1913)
• New Zealand
  • Monarch - George V, King of the United Kingdom (1910 - 1936)
  • Governor-General - Lord Islington, Governor-General of New Zealand, (1910 - 1912)
  • Prime Minister - Joseph Ward, Prime Minister of New Zealand (1906 - 1912)
• Tonga
  • Monarch - George Tupou II, King of Tonga (1893 – 1918)
  • Prime Minister - S.T.Mateialona, Prime Minister of Tonga, (1905 – 1912)

Europe

• Austria-Hungary - Franz Joseph I, Emperor of Austria and King of Hungary (1848-1916)
  • Prime Minister of Hungary
    • Count Károly Khuen-Héderváry (1910-1912)
• Belgium
  • Monarch - Albert I, King of the Belgians (1909-1934)
  • Cabinet Chief -
  1. François Schollaert, Cabinet Chief (1908-1911)
  2. Charles de Broqueville, Cabinet Chief (1911-1918)
• Denmark
  • Monarch - Frederick VIII, King of Denmark (1906-1912)
  • Prime Minister - Klaus Berntsen, Prime Minister of Denmark (1910-1913)
• France -
  • President - Armand Fallières, President of France (1906-1913)
  • Prime Minister -
    1. Aristide Briand, President of the Council (1909-1911)
    2. Ernest Monis, President of the Council (1911)
    3. Joseph Caillaux, President of the Council (1911-1912)
• German Empire -
  • Monarch - Wilhelm II, German Emperor (1888-1918)
  • Chancellor - Theobald von Bethmann Hollweg, Chancellor of Germany (1909-1917)
  • Prussia -
    • Monarch - Wilhelm II, King of Prussia (1888-1918)
    • Prime Minister - Theobald von Bethmann Hollweg, Minister-President of Prussia (1909-1917)
  • Bavaria - Otto, King of Bavaria (1886-1913)
  • Saxony - Frederick Augustus III, King of Saxony (1904-1918)
  • Württemberg - William II, King of Württemberg (1891-1918)
• Italy
  • Monarch - Vittorio Emanuele III, King of Italy (1900-1946)
  • Prime Minister -
    1. Luigi Luzzatti, Prime Minister of Italy (1910-1911)
    2. Giovanni Giolitti, Prime Minister of Italy (1911-1914)
• Luxembourg
  • Monarch - Guillaume IV, Grand Duke of Luxembourg (1905-1912)
  • Regent - Marie Anne of Portugal, Regent of Luxembourg (1908-1912)
  • Prime Minister - Paul Eyschen, Prime Minister of Luxembourg (1888-1915)
• Netherlands -
  • Monarch - Wilhelmina, Queen of the Netherlands (1890-1948)
  • Prime Minister - Theo Heemskerk, Chairman of the Dutch council of ministers (1908-1913)
• Norway
  • Monarch - Haakon VII, King of Norway (1905-1957)
  • Prime Minister - Wollert Konow, Prime Minister of Norway (1910-1912)
• Ottoman Empire
  • Monarch - Mehmed V, Sultan (1909-1918)
• Portugal
  • President -
    1. Teófilo Braga, President of the Provisional Government of the Portuguese Republic, (1910-1911)
    2. Manuel de Arriaga, President of Portugal, (1911-1915)
  • Prime Minister -
    1. Teófilo Braga, President of the Provisional Government of the Portuguese Republic, (1910-1911)
    2. João Chagas, President of the Ministry (1911)
    3. Augusto de Vasconcelos, President of the Ministry (1911-1912)
• Spain
  • Monarch - Alfonso XIII, King of Spain (1886-1931)
  • Prime Minister - José Canalejas Méndez, President of the Government (1910-1912)
• Sweden -
  • Monarch - Gustaf V, King of Sweden (1907-1950)
  • Prime Minister -
  1. Arvid Lindman, Prime Minister of Sweden (1906-1911)
  2. Karl Staaff, Prime Minister of Sweden (1911-1914)
• United Kingdom -
  • Monarch - George V, King of the United Kingdom (1910-1936)
  • Prime Minister - Herbert Henry Asquith, Prime Minister of the United Kingdom (1908-1916)

North America and the Caribbean

• Canada
  • Monarch - King George V, King of the United Kingdom (1910 - 1936)
  • Governor-General -
    1. The Earl Grey, Governor-General of Canada (1904 - 1911)
    2. HRH the Duke of Connaught and Strathearn, Governor-General of Canada (1911-1916)
  • Prime Minister -
    1. Sir Wilfrid Laurier, Prime Minister of Canada (1896-1911)
    2. Sir Robert Borden, Prime Minister of Canada (1911-1920)
• Costa Rica - Ricardo Jiménez Oreamuno, President of Costa Rica (1910–1914)
• Cuba - José Miguel Gómez, President of Cuba (1909-1913)
• México
  • President -
    1. Porfirio Díaz, President of Mexico (1884-1911)
    2. Francisco Madero, President of Mexico (1911-1913)
• Newfoundland
  • Monarch - King George V, King of the United Kingdom (1910-1936)
  • Governor - Ralph Champneys Williams, Governor of Newfoundland (1909-1913)
  • Prime Minister - Edward Patrick Morris, Prime Minister of Newfoundland (1909-1917)
• United States - William Howard Taft, President of the United States (1909-1913)

South America

• Argentina: Roque Sáenz Peña, President of Argentina (1910–1914)
• Brazil: Hermes Rodrigues da Fonseca, President of Brazil (1910-1914)
• Chile: Ramón Barros Luco, President of Chile (1910–1915)
• Colombia: Carlos Eduardo Restrepo, President of Colombia (1910–1914)
• Ecuador: Eloy Alfaro, President of Ecuador (1906–1911)
• Paraguay:
  1. Manuel Gondra, President of Paraguay (1910-1911)
  2. Albino Jara, President of Paraguay (1911)
  3. Liberato Marcial Rojas, President of Paraguay (1911)
• Peru: Augusto B. Leguía y Salcedo, President of Peru (1908–1912)
• Uruguay -
  1. Claudio Wílliman, President of Uruguay (1907-1911)
  2. José Batlle y Ordóñez, President of Uruguay (1911-1915)
• Venezuela: Juan Vicente Gómez, President of Venezuela (1908–1914)