U.S. War Dead By Conflict: 646,244 Americans Died In All U.S. Wars Except The Civil War. 618,000 Americans Died In The Civil War

 

African-American workers collecting Union dead on the Cold Harbor battlefield in April 1865

The chart below shows U.S. war deaths per official military conflict. Keep in mind that some of these figures, particularly those from older conflicts, are rough estimates. Sources are listed below..

Sources
- War fatalities/deployments: Dept. of Veterans Affairs and Department of Defense
- Population figures: Paul Waldman, American Prospect (based on U.S. Census data from the year each war began)