1803 state leaders - Events of 1804 - 1805 state leaders - State leaders by year

Africa

• Ashanti Confederacy -
  1. Osei Fofie, Asantehene (1803-1804)
  2. Osei Bonsu, Asantehene (1804-1824)
• Buganda - Semakokiro, King of Buganda (1771-1814)
• Bunyoro - Kyebambe III, Omukama of Bunyoro (1786-1835)
• Burundi - Ntare IV Rugamba, King of Burundi (1796-1852)
• Dahomey - Adandozan, King of Dahomey (1797-1818)
• Ethiopia - Egwale Seyon Hezqeyas, Emperor of Ethiopia (1801-1818)
• Fulani Empire - Usman dan Fodio, Fulani Caliph (1804-1814)
• Ndzuwani - Alawi bin Husain, Sultan of Ndzuwani (1796-1816)
• Rwanda - Yuhi III, Mwami of Rwanda (1797-1830)
• Zulu - Senzangakona, King of the Zulu (1781-1816)

Asia

• Afghanistan -
  • Kabul - Shoja Shah, King of Afghanistan (1803-1809)
  • Kandahar -
    1. Shoja Shah, King of Afghanistan (1803-1809)
    2. Kandahar secedes from Kabul control
    3. Kamran Shah, King of Kandahar (1804-1805)
• China (Qing Dynasty) - Jiaqing, Emperor of China (1796-1820)
• Japan
  • Monarch - Kokaku, Emperor of Japan (1780-1817)
  • Shogun (Tokugawa) - Tokugawa Ienari, Shogun of Japan (1786-1837)
• Korea (Joseon Dynasty) - Sunjo, King of Joseon (1800-1834)

Australia and Oceania

• Colony of New South Wales
  • Monarch - George III, King of the United Kingdom, (1760-1820)
  • Governor - Captain Philip King, Governor of New South Wales, (1800-1806)

Europe

• Abkhazia - Kelesh Begi, Prince of Abkhazia (1747-1806)
• Andorra - Francesc Antoni de la Dueña y Cisneros, Bishop of Urgel (1797-1816)
• Denmark
  • Monarch - Christian VII, King of Denmark (1766-1808)
  • Prime Minister - Christian Gunther, Minister of State of Denmark (1797-1810)
• France -
  • Consulate - Napoleon Bonaparte, First Consul (1799-1804)
  • First Empire - Napoleon I, Emperor of the French (1804-1814)
• Holy Roman Empire - Franz II, Holy Roman Emperor (1792-1806)
• Portugal - Maria I Francisca, Queen of Portugal (1777-1816)
• Prussia - Frederick William III, King of Prussia (1797-1840)
• Russia - Alexander I, Tsar of Russia (1801-1825)
• Spain - Charles IV, King of Spain (1788-1808)
• Sweden - Gustav IV Adolf, King of Sweden (1792-1809)
• United Kingdom
  • Monarch - George III, King of the United Kingdom (1760-1820)
  • Prime Minister -
    1. Henry Addington, Prime Minister of the United Kingdom (1801-1804)
    2. William Pitt, Prime Minister of the United Kingdom (1804-1806)

Middle East and North Africa

• Abu Dhabi - Shakhbut bin Dhiyab, Shaikh of Abu Dhabi (1793-1816)
• Morocco - Slimane, Sultan of Morocco (1792-1822)
• Ottoman Empire
  • Monarch - Selim III, Sultan of the Ottoman Empire (1789-1807)
  • Grand Vizier - Yusuf Ziyaüddin Pasha, Ottoman Grand Vizier (1798-1805)

North America and the Caribbean

• United States - Thomas Jefferson, President of the United States (1801-1809)