How Many US Soldiers Have Died in War?
Every conflict counted. 657,991 combat deaths. 1,305,407 total deaths. 250 years of war.
Since the first shots of the American Revolution in 1775, over one million American service members have been killed in combat. Hundreds of thousands more died from disease, accidents, and other causes during wartime. Over 1.5 million have been wounded. Each number represents a person who never came home.
657,991
Combat Deaths
Killed in action across all wars
1,305,407
Total Deaths
Including disease, accidents, other
1,622,933
Wounded
Survived but injured in combat
14+
Major Wars
From 1775 to present
Every War, Every Number
| War | Years | Combat Deaths | Other Deaths | Total Deaths | Wounded |
|---|---|---|---|---|---|
| American Revolution | 1775–1783 | 6,824 | 18,500 | 25,324 | 8,445 |
| War of 1812 | 1812–1815 | 2,260 | 15,000 | 17,260 | 4,505 |
| Mexican-American War | 1846–1848 | 1,733 | 11,550 | 13,283 | 4,152 |
| Civil War (Union) | 1861–1865 | 140,414 | 224,097 | 364,511 | 281,881 |
| Civil War (Confederate) | 1861–1865 | 74,524 | 184,000 | 258,524 | 137,000 |
| Spanish-American War | 1898 | 385 | 2,061 | 2,446 | 1,662 |
| World War I | 1917–1918 | 53,402 | 63,114 | 116,516 | 204,002 |
| World War II | 1941–1945 | 291,557 | 113,842 | 405,399 | 670,846 |
| Korean War | 1950–1953 | 33,739 | 2,835 | 36,574 | 103,284 |
| Vietnam War | 1955–1975 | 47,434 | 10,786 | 58,220 | 153,303 |
| Gulf War (Desert Storm) | 1990–1991 | 148 | 145 | 293 | 467 |
| Afghanistan | 2001–2021 | 1,922 | 539 | 2,461 | 20,744 |
| Iraq War | 2003–2011 | 3,519 | 912 | 4,431 | 32,292 |
| War on Terror (other) | 2001–present | 130 | 35 | 165 | 350 |
| TOTAL (All Wars) | 657,991 | 647,416 | 1,305,407 | 1,622,933 | |
Sources: Congressional Research Service, “American War and Military Operations Casualties,” updated 2024; Department of Defense Personnel and Readiness; National Archives; Department of Veterans Affairs
War by War: Key Context
American Revolution
1775–1783Disease killed far more than combat
War of 1812
1812–1815Including Battle of New Orleans
Mexican-American War
1846–184887% of deaths from disease
Civil War (Union)
1861–1865Bloodiest war in US history
Civil War (Confederate)
1861–1865Estimated — records incomplete
World War I
1917–1918US entered late; 19 months of combat
World War II
1941–1945Deadliest war for US in absolute terms
Korean War
1950–1953The "Forgotten War"
Vietnam War
1955–1975304,000 wounded total (inc. non-hostile)
The Civil War: America's Bloodiest Conflict
The Civil War accounts for more American deaths than all other wars combined. When you count both Union and Confederate dead, approximately 620,000–750,000 Americans died in just four years. Recent scholarship suggests the total may be as high as 850,000.
~750,000
Total dead (Union + Confederate)
2.4%
Of total US population killed
~7.5M
Equivalent in today's population
If the same percentage of Americans died in a war today, it would be 7.5 million people — the entire population of Washington state.
Missing in Action & Prisoners of War
Tens of thousands of Americans are still officially missing from past wars. Their remains have never been recovered, and their families never received closure.
World War II
72,647Largest number of MIAs — many lost at sea or in Pacific jungles
Korean War
7,608Many believed held in North Korea/China; 5,300 in North Korea
Vietnam War
1,582POW/MIA issue dominated politics for decades
Cold War
126Reconnaissance flights shot down, submarine losses
Gulf Wars / War on Terror
6Modern technology reduced but didn't eliminate MIAs
Total Still Missing
81,900+DPAA working to identify ~200 individuals per year
Source: Defense POW/MIA Accounting Agency (DPAA), updated 2024
The Changing Nature of Military Deaths
Disease Killed More Than Bullets (Until the 20th Century)
In every American war before World War I, disease killed more soldiers than combat. In the Civil War, two-thirds of deaths were from disease — typhoid, dysentery, pneumonia, and malaria. In the Spanish-American War, the ratio was 5:1. Modern medicine, sanitation, and antibiotics reversed this trend by World War II.
The Survival Revolution
In World War II, if you were wounded, you had about a 70% chance of survival. In Vietnam, it improved to 76%. In Iraq and Afghanistan, survival rates reached 90%+ thanks to body armor, MedEvac helicopters, combat medics, and advanced trauma surgery. This means more survivors — but also more veterans living with severe injuries, amputations, traumatic brain injuries, and PTSD.
Suicide: The Post-War Casualty
Over 30,000 post-9/11 veterans have died by suicide — more than four times the 7,057 killed in combat. If you include Vietnam-era veteran suicides, the number is likely over 100,000. The war doesn't end when the shooting stops.
The Weight of a Number
Over one million Americans have died in combat. Each was someone's child. Many were someone's parent, sibling, spouse. The numbers are staggering, but they are not abstract — they represent real people who were sent to war by their government and never came home.
These numbers should make us think carefully about when and why we send Americans into harm's way. Every war has a cost in lives. Before the next one begins, we owe it to those we've already lost to ask: Is it worth it? Is there another way?
Sources & Citations
- Congressional Research Service, “American War and Military Operations Casualties: Lists and Statistics,” updated January 2024
- Department of Defense, Defense Casualty Analysis System (DCAS)
- National Archives, Statistical Information about Fatal Casualties of the Vietnam War
- Defense POW/MIA Accounting Agency (DPAA), Personnel Accounting: Past Conflicts
- J. David Hacker, “A Census-Based Count of the Civil War Dead,” Civil War History, December 2011
- Department of Veterans Affairs, National Veteran Suicide Prevention Annual Report, 2024
- Watson Institute, Brown University, “Costs of War: US Military Personnel”
- iCasualties.org, Operation Iraqi Freedom / Operation Enduring Freedom casualty database
Last updated: March 2026
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