Watson Institute for International and Public Affairs
Costs of War

Report Tallies Total Cost of Post-Sept. 11 Wars

September 9, 2016 US News & World Report

"According to a study released Friday through Brown University's Watson Institute of International and Public Affairs, government spending on the military, diplomacy, foreign aid, homeland security and services to veterans have cost U.S. taxpayers upward of $4.79 trillion in the post-Sept. 11 era."