Number of United States military fatalities in major wars 1775-2020

This statistics shows the number of military fatalities in all major wars involving the United States, from the American Revolutionary War in 1775 until the ongoing War on Terror in the Middle East . From the data we can see that the total number of fatalities in the American Civil War, with approximately 620 thousand deaths, is almost the same as the number of fatalities in all other wars combined. Some estimates place the total amount of deaths in World War Two at just over 400 thousand and World War One at almost 120 thousand. In terms of the number of deaths per day, the Civil War is still at the top, with an average of 425 deaths per day, while the First and Second World Wars have averages of roughly 100 and 200 fatalities per day respectively.

Revised Civil War figures

For more than a century, the total death toll of the American Civil War was generally accepted to be around 620,000, a number which was first proposed by Union historians William F. Fox and Thomas L. Livermore in 1888. This number was calculated by using enlistment figures, battle reports and census data, however many prominent historians since then have thought the number should be higher. In 2011, historian J. David Hacker conducted further investigations and claimed that the number was closer to 750,000 (and possibly as high as 850,000). While many civil war historians agree that this is possible, and even likely, obtaining consistently accurate figures has proven to be impossible until now; both sides were poor at keeping detailed records throughout the war, and much of the Confederacy's records were lost by the war's end. Many Confederate widows also did not register their husbands death with the authorities, as they would have then been ineligible for benefits.

Number of military fatalities in all major wars involving the United States from 1776 to 2020

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Release date



United States

Survey time period

1775 to 2020

Supplementary notes

* As of 10am EDT June 29th, 2020

**Breakdown is as follows:
Operation Iraqi Freedom: 4,431 (2003-2010, primarily in Iraq)
Operation Enduring Freedom: 2,353 (2001-2014, primarily in Afghanistan)
Operation Inherent Resolve: 99 (2014-present, primarily in Iraq and Syria)
Operation Freedom's Sentinel: 95 (2014-present, Afghanistan only)
Operation New Dawn: 74 (2010-2011, primarily in Iraq)

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Statistics on "American Civil War 1861-1865"

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