American Wars by Death Toll
Source: http://en.wikipedia.org/wiki/United_States_military_casualties_of_war, Created on 6/14/2013
The Top Ten
1 American Civil War (635,000)
2 World War II (405,399)
3 World War I (116,516)
4 Vietnam War (58,151)
5 Korean War (36,516)
6 Revolutionary War (25,000)
7 War of 1812 (15,000)
8 Mexican American War (13,283)
9 War On Terror (6,717-to Present)
10 Philippine American War (4,196)