Exhibit 244

U.S. Federal Budget (Costs of War research page, updated June 2025)

Exhibit 244 · Project web page

U.S. Federal Budget (Costs of War research page, updated June 2025)

Of the $8 trillion total, about $2.3 trillion were spent on the budget category for post-9/11 military operations, “Overseas Contingency Operations.”

States the $8 trillion estimate through FY2022 ($5.8 trillion appropriations plus at least $2.2 trillion veterans' obligations), more than $1 trillion in interest, a base-budget increase of about $900 billion and over $1.1 trillion of DHS spending.

Source: Costs of War Project, Watson Institute, Brown University
Date: June 2025
Quoted from: Key Findings, Spending on the Post-9/11 Wars
Grade: Primary record
Document: https://costsofwar.watson.brown.edu/costs/economic/us-federal-budget
Accessed: 2026-11-09
Cited by: Findings citing this exhibit

Cited by

Finding DEF-5.1: Primary record The Costs of War project estimated post-9/11 war spending through fiscal year 2022 at $8.043 trillion, including about $2.2 trillion in future veterans' care, while the Department of Defense's own report lists $1.73 trillion in war-related costs for fiscal years 2001 through 2023.