| War | Deaths | Addendum |
| American Revolution | 25,324 | Bunker Hill cost 400 American lives |
| War of 1812 | 2,260 | |
| Mexican War | 13,283 | |
|
Civil War
|
498,332 364,821 |
Antietam cost 5,000 lives on both sides: bloodiest
day in American history
Gettysburg: 7,058 |
| Spanish-American War | 2,446 | |
| World War I | 116,516 | Battle of Somme cost 19,240 British lives on a single day (total British casualties that day: 57,470) |
| World War II | 405,399 |
Other Losses: D-Day: approximately 2,500 19,000 Battle of the Bulge 1944-1945
|
| Korean War | 54,246 | |
| Vietnam War | 56,244 | |
| Panama Invasion | 23 | |
| Gulf War (1991) | 148 | |
| 9/11 | 3,021 | |
| Iraq War | 2,848 (as of Sep 2006) | |
| Total | 1,542,257 | |
| Communist Genocide 20th Century | 150 million | |
| Total people who ever lived | 106 Billion | Guesstimate: Populataion Reference Bureau |