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American War & Conflict Deaths (1775–Present)

(Combat + non‑combat deaths where available)

Conflict U.S. Deaths

American Revolutionary War 1775–1783 ~25,000

War of 1812 1812–1815 ~15,000

Mexican–American War 1846–1848 13,283

Civil War 1861–1865 ~655,000 (Union 364,511; Confederate ~290,000)

Spanish–American War 1898 2,446

Philippine–American War 1899–1902 4,196

World War I 1917–1918 116,516

World War II 1941–1945 405,399 (deadliest U.S. war)

Korean War 1950–1953 36,574

Vietnam War 1955–1975 58,220

Gulf War 1990–1991 383

Iraq War 2003–2011 4,599

Afghanistan War 2001–2021 2,461

Early Conflicts & 19th‑Century Wars

Northwest Indian War 1785–1796 1,056+

Quasi‑War 1798–1800 514

First Barbary War 1801–1805 74

Second Barbary War 1815 138

Creek War 1813–1814 575

Black Hawk War 1832 305

Second Seminole War 1835–1842 1,535

American Indian Wars (aggregate) 1865–1898 ~919

20th–21st Century Limited Conflicts

Boxer Rebellion 1900–1901 131

Cuba, Haiti, Nicaragua, Panama, Honduras (1901-1934) 500

Dominican Republic 1965–1966 44

Operation Eagle Claw (Iran) 1980 8

Grenada 1983 19

Panama 1989–1990 23

Somalia 1992–1994 43

Bosnia 1995–2004 12

Kosovo 1998–1999 2

Anti‑ISIS Operations 2014–present 93

War on Terror (other theaters) 2001–present 31

Niger/Sahel 2013–2024 4

Yemen 2015–2025 2

Iran (2024-Present) 19 (16 in 2026 + 3 killed in the 2024 Jordan drone attack)

1.05 million Americans have died in the U.S. armed forces (does not include civilians)