State leaders in 1873 - Events of 1874 - State leaders in 1875 - State leaders by year
Africa
Asia
- Afghanistan - Shir Ali Khan, Emir of Afghanistan (1868-1879)
- Burma - Mindon Min, King of Burma (1853-1878)
- Cambodia - Norodom, King of Cambodia (1860-1904)
- Champasak - Kham Suk, King of Champasak (1863-1900)
- China (Qing Dynasty) - Tóngzhì, Emperor of China (1861-1875)
- Japan - Monarch - Meiji Emperor, Emperor of Japan (1867-1912)
- Korea (Joseon Dynasty) - Gojong, King of Joseon (1864-1907, Emperor after 1897)
- Luang Phrabang - Unkham, King of Luang Phrabang (1868-1895)
- Nepal - Surendra Bikram Shah Deva, King of Nepal (1847-1881)
- Oman - Turki bin Said, Sultan of Oman (1871-1888)
- Siam - Chulalongkorn (Rama V), King of Siam (1868-1910)
- Vietnam - Tu Duc, Emperor of Vietnam (1847-1883)
Europe
- Andorra - Co-Princes
- Austria-Hungary - Franz Joseph I, Emperor of Austria and King of Hungary (1848-1916)
- Belgium - Leopold II, King of the Belgians (1865-1909)
- Denmark
- France -
- Germany -
- Greece - George I, King of the Hellenes (1863-1913)
- Holy See - Pope Pius IX, Bishop of Rome (1846-1878)
- Italy
- Liechtenstein - Johann II, Prince of Liechtenstein (1858-1929)
- Luxembourg - Guillaume III, Grand Duke of Luxembourg (1849-1890)
- Monaco - Charles III, Prince of Monaco (1856-1889)
- Montenegro - Nicholas, Prince of Montenegro (1860-1910/1918/1921)
- Netherlands - William III, King of the Netherlands (1849-1890)
- Norway - Oscar II, King of Norway (1872-1905)
- Ottoman Empire - Abd-ul-Aziz, Sultan of the Ottoman Empire (1861-1876)
- Portugal - Luis, King of Portugal (1861-1889)
- Romania - Carol I, Prince of Romania (1866-1881/1914)
- Russia - Alexander II, Tsarof Russia (1855-1881)
- Serbia - Milan II, Prince of Serbia (1868-1882/1889)
- Spain -
- President - Emilio Castelar y Ripoll, President of Spain (1873-1874)
- Prime Minister -
- Emilio Castelar Ripoll, Prime Minister of Spain (1873-1874)
- Francisco Serrano Domínguez, Prime Minister of Spain (1868-1869, 1871, 1872, 1874)
- Juan Zavala De La Puente, Prime Minister of Spain (1874)
- Práxedes Mateo Sagasta, Prime Minister of Spain (1871-1872, 1874, 1881-1883, 1885-1890, 1892-1895, 1897-1899)
- Antonio Cánovas Del Castillo, Prime Minister of Spain (1874-1875, 1875-1879, 1879-1881, 1884-1885, 1890-1892, 1895-1897)
- Sweden - Kingdom of Sweden-Norway
- Switzerland - the seven members of the Swiss Federal Council (Karl Schenk, Johann Jakob Scherer, Melchior Josef Martin Knüsel, Paul Cérésole, Emil Welti, Wilhelm Matthias Näff, Eugène Borel)
- United Kingdom
Middle East and North Africa
North America and the Caribbean
- Canada
- Costa Rica - Tomás Guardia Gutiérrez, President of Costa Rica (1870-1876)
- Dominican Republic - Ignacio María González, President of the Dominican Republic (1874-1876)
- El Salvador - Santiago González, President of El Salvador (1871-1876)
- Guatemala - Justo Rufino Barrios, President of Guatemala (1873-1885)
- Haiti -
- Nissage Saget, President of Haiti (1869 - 1874)
- Michel Domingue, President of Haiti (1874-1876)
- Honduras -
- Céleo Arias, President of Honduras (1872 - 1876)
- Ponciano Leiva, President of Honduras (1874-1876)
- Mexico - Sebastián Lerdo de Tejada, President of Mexico (1872-1876)
- Nicaragua - Vicente Quadra, President of Nicaragua (1871-1875)
- United States - Ulysses S. Grant, President of the United States (1869-1877)
South America
- Argentina -
- Domingo Faustino Sarmiento, President of Argentina (1868-1874)
- Nicolás Avellaneda, President of Argentina (1874-1880)
- Bolivia - Tomás Frías, President of Bolivia (1874-1876)
- Brazil - Pedro II, Emperor of Brazil (1831-1889)
- Chile - Federico Errázuriz Zañartu, President of Chile (1871-1876)
- Colombia - Santiago Pérez, President of Colombia (1874-1876)
- Ecuador - Gabrial García Moreno, President of Ecuador (1869-1875)
- Paraguay - Juan Bautista Gill, President of Paraguay (1874-1877)
- Peru - Manuel Pardo, President of Peru (1872-1876)
- Uruguay - José Eugenio Ellauri, President of Uruguay (1873-1875)
- Venezuela - Antonio Guzmán Blanco, President of Venezuela (1870-1877)