Name of war, year and number of U.S. military killed and wounded:
American Revolutionary War 1775–1783 50,000
Northwest Indian War 1785–1795 1881+
Quasi-War 1798–1800 556
First Barbary War 1801–1805 138
Other actions against pirates 1800–1900 294+
Chesapeake–Leopard Affair 1807 21
War of 1812 1812–1815 ~25,000
Marquesas Expedition 1813–1814 7
Second Barbary War 1815 148
First Seminole War 1817–1818 83
First Sumatran Expedition 1832 13
Black Hawk War 1832 390
Second Seminole War 1835–1842 1535
Mexican–American War 1846–1848 17,435
Third Seminole War 1855–1858 53
Civil War 1861–1865 646,392 (Union Forces)
Dakota War of 1862 (Little Crow’s War) 1862 220–263
Shimonoseki Straits 1863 10
Snake Indian War 1864–1868 158
Indian Wars 1865–1898 1,025
Red Cloud’s War 1866–1868 226
Korea (Shinmiyangyo) 1871 12
Modoc War 1872–1873 144
Great Sioux War 1875–1877 525
Nez Perce War 1877 291
Bannock War 1878 34
Ute War 1879 67
Ghost Dance War 1890–1891 99
Sugar Point- Pillager Band of Chippewa Indians 1898 23
Spanish–American War 1898 4,068
Philippine–American War 1898–1913 7,126
Boxer Rebellion 1900–1901 335
Mexican Revolution 1914–1919 70
Occupation of Haiti 1915–1934 184+
World War I 1917–1918 320,518
North Russia Campaign 1918–1920 424
American Expeditionary Force Siberia 1918–1920 380+
China 1918; 1921; 1926–1927; 1930; 1937 83
US occupation of Nicaragua 1927–1933 116
World War II 1941–1945 1,076,245
China 1945–1947 56
Berlin Blockade 1948–1949 31
Korean War 1950–1953 128,650
U.S.S.R. Cold War 1947–1991 44
China Cold War 1950–1972 16
Vietnam War 1955–1975 211,454
1958 Lebanon crisis 1958 7+
Bay of Pigs Invasion 1961 4
Dominican Republic 1965–1966 213
Iran 1980 12
El Salvador Civil War 1980–1992 35
Beirut deployment 1982–1984 169
Persian Gulf escorts 1987–1988 31
Invasion of Grenada 1983 138
1986 Bombing of Libya 1986 2
Invasion of Panama 1989 324
Gulf War 1990–1991 1,231
Somalia 1992–1993 153
Haiti 1994–1995 3
Colombia 1994–Present 8
Bosnia-Herzegovina 1995–2004 18
Kosovo 1999–2006 22+
Afghanistan 2001–present 12,035
Iraq War 2003–2010 36,395
*Source: Wikipedia