List of state leaders in 1904
1903 state leaders - Events of 1904 - 1905 state leaders - State leaders by year
Africa
- Egypt -
- Ethiopia - Menelik II, Emperor of Ethiopia (1889-1913)
- Liberia -
- Garretson W. Gibson, President of Liberia (1900-1904)
- Arthur Barclay, President of Liberia (1904-1912)
- Morocco -
- Tunis -
- Monarch - Muhammad al-Hadi, Bey of Tunis (1902-1906)
- Grand Vizier - Mohamed Aziz Bouattour, Grand Vizier of Tunis (1883-1907)
- French Resident-General - Étienne Pichon, French Resident-General in Tunis (1901-1907)
- Zanzibar -
- Monarch - Ali ibn Hamoud, Sultan of Zanzibar (1902-1911)
- Grand Vizier - A.S. Rogers, Grand Vizier of Zanzibar (1901-1906)
- British Consul-General -
- Sir Charles Eliot, British Consul-General in Zanzibar (1900-1904)
- Basil Cave, British Consul-General in Zanzibar (1904-1908)
Asia
- Afghanistan - Habibullah Khan, Emir of Afghanistan (1901-1919)
- Cambodia -
- Champasak - Bua Laphan, Prince of Champasak (1900-1946)
- China (Qing Dynasty)
- India -
- Japan -
- Korea -
- Monarch - Gojong, Emperor of Korea (1864/897-1907)
- Chief Minister - Yi Kummyong, Chief Minister of Korea (1904)
- Luang Phrabang -
- Monarch -
- Sakkarin, King of Luang Phrabang (1895-1904)
- Sisavang Vong, King of Luang Phrabang (1904-1945)
- French Resident - Marcel-Auguste-Armand Tournier, French Resident in Luang Phrabang (1899-1905)
- Nepal -
- Monarch - Prithivi Bir Bikram Shah Deva, King of Nepal (1881-1911)
- Prime Minister - Chandra Shamsher Jang Bahadur Rama, Prime Minister of Nepal (1901-1929)
- Oman - Faysal ibn Turki, Sultan of Oman(1888-1913)
- Persia -
- Siam - Chulalongkorn (Rama V), King of Siam (1868-1910)
- Vietnam - Thanh Tai, Emperor of Vietnam (1889-1907)
Australia and Oceania
Europe
- Andorra -
- Co-Princes -
- First Syndic - Bonaventura Maestre, First Syndic of Andorra (1902-1905)
- Austria-Hungary -
- Belgium -
- Bulgaria -
- Denmark -
- France -
- Germany -
- Greece -
- Holy See - Pope Pius X, Bishop of Rome (1903-1914)
- Italy -
- Liechtenstein - Johann II, Prince of Liechtenstein (1858-1929)
- Luxembourg -
- Monaco - Albert I, Prince of Monaco (1889-1922)
- Montenegro -
- Monarch - Nicholas I, Prince of Montenegro (1860-1910/1918/1921)
- Prime Minister - Bozo Petrovic-Njegos, Prime Minister of Montenegro (1879-1905)
- Netherlands -
- Norway -
- Ottoman Empire -
- Portugal -
- Romania -
- Russia -
- San Marino -
- Marino Borbiconi and Francesco Marcucci, Captains-Regent of San Marino (1903-1904)
- Menetto Bonelli and Vincenzo Mularoni, Captains-Regent of San Marino (1904)
- Luigi Tonnini and Gustavo Babboni, Captains-Regent of San Marino (1904-1905)
- Serbia -
- Spain -
- Sweden - Kingdom of Sweden-Norway
- Switzerland - Robert Comtesse, President of the Swiss Confederation (1904)
- United Kingdom -
North America and Caribbean
- Canada
- Costa Rica - Ascensión Esquivel Ibarra, President of Costa Rica (1902-1906)
- Cuba - Tomás Estrada Palma, President of Cuba (1902-1906)
- Dominican Republic - Carlos Felipe Morales, President of the Dominican Republic (1903-1906)
- El Salvador - Pedro José Escalón, President of El Salvador (1903-1907)
- Guatemala - Manuel Estrada Cabrera, President of Guatemala (1898-1920)
- Haiti - Pierre Nord Alexis, President of Haiti (1902-1908)
- Honduras - Manuel Bonilla, President of Honduras (1903-1907)
- Mexico - Porfirio Díaz, President of Mexico (1884-1911)
- Nicaragua - José Santos Zelaya, President of Nicaragua (1893-1909)
- Panama -
- José Agustín Arango, Chairman of the Provisional Government Junta of Panama (1903-1904)
- Manuel Amador Guerrero, President of Panama (1904-1908)
- United States - Theodore Roosevelt, President of the United States (1901-1909)
South America
- Argentina -
- Julio A. Roca, President of Argentina (1898-1904)
- Manuel A. Quintana, President of Argentina (1904-1906)
- Bolivia -
- Manuel Pando, President of Bolivia (1899-1904)
- Ismael Montes, President of Bolivia (1904-1909)
- Brazil - Francisco de Paula Rodrigues Alves, President of Brazil (1902-1906)
- Chile - Germán Riesco, President of Chile (1901-1906)
- Colombia -
- José Manuel Marroquín, President of Colombia (1900-1904)
- Rafael Reyes, President of Colombia (1904-1909)
- Ecuador - Leonidas Plaza Gutiérrez, President of Ecuador (1901-1905)
- Paraguay -
- Juan Antonio Escurra, President of Paraguay (1902-1904)
- Juan Bautista Gaona, Provisional President of Paraguay (1904-1905)
- Peru -
- Manuel Candamo, President of Peru (1903-1904)
- Serapio Calderón, Acting President of Peru (1904)
- José Pardo y Barreda, President of Peru (1904-1908)
- Uruguay - José Batlle y Ordóñez, President of Uruguay (1903-1907)
- Venezuela - Cipriano Castro, President of Venezuela (1899-1909)