Watson Institute for International and Public Affairs
Costs of War


  • Over 480,000 have died due to direct war violence, and several times as many indirectly
  • Over 244,000 civilians have been killed as a result of the fighting
  • 21 million — the number of war refugees and displaced persons
  • The US federal price tag for the post-9/11 wars is over $5.9 trillion dollars
  • The US government is conducting counterterror activities in 80 countries
  • The wars have been accompanied by violations of human rights and civil liberties, in the US and abroad

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The Costs of War Project