Data Downloads
40 open datasets covering every US war, military spending, arms sales, bases, veterans, and more. All data is free to use โ we ask only for attribution: Source: warcosts.org
All files are JSON format. Costs in 2024 inflation-adjusted USD unless noted.
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40
Datasets
36
Conflicts Tracked
1,518
Military Bases
170+
Countries Covered
๐ Use This Data For
โข Academic research โ cross-reference costs with outcomes
โข Journalism โ fact-check military spending claims
โข Education โ teach the economics of war
โข Data visualization โ build charts and maps
โข Policy analysis โ compare military vs civilian spending
โข App development โ integrate via direct JSON URLs
โ๏ธ Conflicts & Wars
conflicts.jsonJSON1 MBComplete dataset of all US military conflicts from 1775 to present. Includes costs (inflation-adjusted), casualties, congressional authorization, outcomes, regions, and detailed analysis.
36 conflicts
operations.jsonJSON15 KBAll documented US military interventions and operations since 1798, from CRS data. Includes dates, countries, and descriptions.
469 operations
war-votes.jsonJSON25 KBCongressional votes and authorization details for each conflict. Declaration type, vote counts, and constitutional analysis.
36 wars
war-roi.jsonJSON14 KBReturn on investment analysis for each war: cost, objectives achieved, strategic outcomes, and long-term consequences.
36 wars
cost-per-life.jsonJSON6 KBCost per US death and per civilian death by conflict. A stark metric for the economics of war.
36 wars
blowback-chains.jsonJSON8 KBHow US interventions created unintended consequences โ the CIA's own term for when operations backfire.
20+ chains
constitutional-scores.jsonJSON11 KBConstitutional compliance scoring for each conflict: congressional authorization, declaration, and war powers adherence.
36 wars
revolutionary-war.jsonJSON21 KBDeep-dive dataset on the Revolutionary War with detailed battle data, costs, and historical context.
1 conflict
๐ฐ Military Spending
military-spending.jsonJSON5 KBAnnual US military spending 1940โ2024 with GDP percentage and president. Inflation-adjusted to 2024 dollars.
85 years
yearly-spending.jsonJSON8 KBDetailed year-by-year defense budget breakdown with subcategories and historical context.
85 years
global-spending.jsonJSON72 KBGlobal military spending by country from SIPRI. Compare US spending to every other nation.
170+ countries
spending-per-capita.jsonJSON12 KBMilitary spending per capita by US state. Federal defense dollars flowing to each state.
50 states
opportunity-costs.jsonJSON2 KBWhat $8 trillion in war spending could have bought: universal healthcare, infrastructure, education, and more.
10 examples
audit-timeline.jsonJSON1 KBPentagon audit failures since 1991. The DoD has never passed a financial audit.
30+ years
๐ Foreign Aid
foreign-aid.jsonJSON6 KBTop US foreign aid recipients with annual and cumulative totals since 2001. Military vs economic aid breakdown.
25 countries
aid-countries-index.jsonJSON5 KBIndex of detailed country-level aid profiles with year-by-year breakdowns.
25 countries
๐ซ Arms Sales
arms-sales.jsonJSON2 KBTop US arms sales buyers with total deal values, major weapon systems, and context.
15 buyers
arms-sales-countries.jsonJSON16 KBDetailed country-by-country arms sales data including deal types, weapon categories, and human rights context.
35 countries
๐๏ธ Bases & Deployments
base-index.jsonJSON337 KBComplete index of every known US military base worldwide. Locations, sizes, personnel, and costs.
1,518 bases
base-countries.jsonJSON11 KBUS military presence by country: base counts, troop deployments, annual costs.
80 countries
base-states.jsonJSON9 KBDomestic military installations by state with economic impact data.
50 states
base-components.jsonJSON1 KBBase distribution by military branch: Army, Navy, Air Force, Marines, Space Force.
5 branches
base-stats.jsonJSON168 BSummary statistics for the global US base network.
Aggregates
overseas-presence.jsonJSON3 KBTop overseas troop deployments with costs and strategic context.
20 deployments
state-footprint.jsonJSON24 KBComplete military footprint by state: bases, personnel, contracts, VA facilities, and economic dependence.
50 states
state-military-index.jsonJSON9 KBIndex for detailed state-level military data profiles.
54 entries
๐๏ธ Veterans
veterans-stats.jsonJSON10 KBVeteran population, VA budget, suicide rates (17/day), PTSD rates, homelessness, and healthcare wait times.
20+ metrics
veterans-by-war.jsonJSON3 KBVeteran populations and VA costs by conflict era. Projected lifetime care costs through 2050.
10 wars
draft-analysis.jsonJSON3 KBMilitary draft history: who was drafted, deferments, resistance, and demographic disparities.
6 wars
๐ Weapons & Defense Industry
weapons.jsonJSON32 KBMajor US weapons systems: cost per unit, total program costs, contractors, capabilities, and controversies.
52 systems
weapons-detail.jsonJSON10 KBExtended weapons data with specifications, deployment history, and cost overruns.
52 systems
contractors.jsonJSON25 KBTop defense contractors: revenue, contracts, lobbying spending, revolving door personnel, and political donations.
20 companies
contractor-by-war.jsonJSON5 KBContractor involvement and profits by conflict. Who made money from each war.
10 wars
sanctions.jsonJSON7 KBUS sanctions programs: countries targeted, economic impact, and effectiveness analysis.
20+ programs
๐ฎ๐ท Iran War 2026
conflicts.jsonJSON1 MBThe Iran War 2026 entry in conflicts.json tracks the ongoing US-Iran conflict: costs ($11.3B confirmed in 6 days), casualties, weapons used, and daily updates.
Includes Iran 2026
drone-strikes.jsonJSON10 KBDrone and air strike data including Iran 2026 operations. Strike counts, locations, and civilian casualty estimates.
500+ strikes
๐๏ธ Presidents & Politics
presidents.jsonJSON31 KBEvery president's war record: conflicts initiated, costs incurred, deaths on their watch, and constitutional compliance.
46 presidents
country-profiles-index.jsonJSON37 KBIndex of country profiles with US military relationship data: aid, bases, arms sales, and interventions.
167 countries
stats.jsonJSON1 KBSite-wide summary statistics: total conflicts, deaths, costs, and current spending rates.
Aggregates
jobs-data.jsonJSON1 KBJobs created per $1M by sector: military vs education vs healthcare vs clean energy. The economics of military Keynesianism.
6 sectors
Direct API Access
All files are accessible directly via URL. No API key required.
https://www.warcosts.org/data/conflicts.jsonCORS-enabled. Use directly in your applications, notebooks, or scripts.