Cost of War on Terror
The War on Terror has cost over $8 trillion since 2001, according to Brown University's Costs of War Project. This 23-year campaign has killed 4.7+ million people, displaced 38+ million, and spread US military operations to 85+ countries worldwide.
Scale of Operations
The War on Terror is the longest and most expensive military campaign in US history, surpassing even World War II in total cost. Unlike previous wars with clear endpoints, the "Global War on Terror" expanded into a permanent state of military operations across multiple continents.
Costs by Country/Theater
While Afghanistan and Iraq consumed the largest shares of War on Terror spending, operations have spread to dozens of other countries through drone strikes, special operations, training missions, and proxy wars.
| Country/Theater | Cost | Years Active | US Deaths | Outcome |
|---|---|---|---|---|
| Afghanistan | $2300B | 2001-2021 | 2461 | Taliban victory, complete withdrawal |
| Iraq | $2400B | 2003-2011, 2014-2021 | 4431 | Sectarian conflict, Iranian influence |
| Syria | $22B | 2014-present | 73 | Assad survives, Russian/Iranian victory |
| Pakistan (Drone War) | $350B | 2004-2018 | 12 | Tensions with ally, civilian casualties |
| Somalia | $85B | 2007-present | 29 | Al-Shabaab controls territory |
| Libya | $13B | 2011, 2015-present | 8 | Failed state, civil war continues |
| Yemen | $45B | 2002-present | 15 | Saudi proxy war, humanitarian crisis |
| Niger | $12B | 2012-2023 | 6 | Military coup, US forces expelled |
Additional Operations: US counterterrorism activities in Philippines, Mali, Burkina Faso, Chad, Cameroon, Tunisia, Kenya, and 75+ other countries add billions more in costs not included in the major theater totals above.
How $8 Trillion Was Spent
The $8 trillion War on Terror cost includes direct military operations, homeland security buildup, future veteran care, and interest on the debt used to finance the wars. Most Americans are unaware of the hidden costs that will continue for decades.
Combat operations, bases, equipment in war zones
Pentagon budget growth since 9/11
Lifetime medical care and disability payments
TSA, border security, domestic counterterrorism
Interest payments on borrowed war spending
Nation-building and reconstruction programs
The Human Cost
The War on Terror has been devastating for human life. The vast majority of deaths have been civilians, with millions more displaced from their homes. These numbers continue growing as conflicts spread to new regions.
Who Profited from $8 Trillion?
The War on Terror created unprecedented wealth for defense contractors, private security companies, and consulting firms. Over half of the $8 trillion went to private companies rather than direct military personnel.
Top War Contractors (2001-2024)
Service Contractors
The Revolving Door: Over 500 senior Pentagon officials have moved to defense contractor jobs since 2001, while 400+ contractor executives have taken Pentagon positions. This revolving door ensures continued war profiteering.
What Was Accomplished for $8 Trillion?
Claimed Achievements
- • Killed Osama bin Laden (2011)
- • Disrupted Al-Qaeda leadership
- • No major terrorist attacks on US soil
- • Removed Taliban from power (temporarily)
- • Removed Saddam Hussein from power
- • Expanded NATO and US influence
Unintended Consequences
- • Taliban regained control of Afghanistan
- • ISIS emerged from Iraq War chaos
- • Iran's influence expanded dramatically
- • Terrorism spread to 85+ countries
- • Created 38+ million refugees
- • US credibility damaged globally
"We have met none of our strategic goals... The Taliban are stronger than they were in 2001. Pakistan is more unstable. Iran is a regional hegemon. ISIS controls territory in Iraq and Syria. We have spent trillions and lost thousands of lives for no strategic gain." — Col. Andrew Bacevich, Boston University
The Bills Keep Coming
Even though major combat operations have ended, War on Terror costs continue growing. Veterans will need care for decades, interest payments continue, and new conflicts emerge from the instability created by previous interventions.
Total Projected Cost: The War on Terror's full cost may reach $12+ trillion by 2050 when including all veteran care, interest payments, and ongoing counterterrorism operations worldwide.
Frequently Asked Questions
How much has the War on Terror cost in total?
The War on Terror has cost over $8 trillion since 2001, according to Brown University's Costs of War Project. This includes direct spending on military operations, homeland security, veteran care, and interest on borrowing used to finance the wars.
What countries are included in War on Terror costs?
The $8 trillion includes operations in Afghanistan ($2.3T), Iraq ($2.4T), Syria ($2.2B), Pakistan drone strikes ($350B), and dozens of other countries through counterterrorism operations, training missions, and security assistance.
How much does the War on Terror cost per day?
Over 23 years (2001-2024), the War on Terror has averaged approximately $950 million per day. At peak operations (2008-2012), daily spending exceeded $1.5 billion across all theaters and programs.
How many people have died in the War on Terror?
The War on Terror has caused an estimated 4.7+ million deaths, including 940,000 direct war deaths and 3.8+ million indirect deaths from disease, displacement, and infrastructure destruction. Over 38 million people have been displaced.
Who has profited from the War on Terror?
Defense contractors have received over $4 trillion in War on Terror contracts since 2001. The top 5 contractors (Lockheed Martin, Boeing, Raytheon, General Dynamics, Northrop Grumman) have earned over $2 trillion combined.
What has the War on Terror accomplished?
Supporters cite the killing of Osama bin Laden and disruption of terrorist networks. Critics note the Taliban regained power in Afghanistan, ISIS emerged in Iraq, terrorism has spread to more countries, and new enemies have been created through civilian casualties and displacement.
Related Pages
Related Articles
Sources
- • Brown University Costs of War Project - "20 Years of War" (2021)
- • Watson Institute for International Affairs - Cost of War Database
- • Congressional Budget Office - "The Budget Impact of the Wars in Iraq and Afghanistan"
- • Special Inspector General for Afghanistan Reconstruction (SIGAR)
- • Iraq Study Group Report and subsequent analyses
- • Government Accountability Office - War Cost Analysis Reports