CBO Report Finds Iran War Cost $38bn, Strains U.S. Munitions
The Congressional Budget Office estimates the six‑month Iran war has cost $38 billion and is projected to rise by $3 billion per month.
In Brief
- •The Congressional Budget Office estimates the six‑month Iran war has cost $38 billion and is projected to rise by $3 billion per month.
- •The conflict is expected to raise U.S. inflation by 0.5 percentage points in the first quarter of 2027.
- •The CBO projects it could take up to five years to replenish depleted U.S. munitions stockpiles.
- •Pentagon officials report munitions shortfalls and production bottlenecks, with dozens of U.S. aircraft lost.
- •Defense Secretary Pete Hegseth cited a $37.5 billion war cost in July testimony, aligning with the CBO estimate.
Why It Matters
The war’s escalating costs are tightening the U.S. defense budget and contributing to higher consumer prices, a concern amplified by the upcoming November midterm elections. A five‑year replenishment horizon for munitions could limit the U.S. military’s ability to respond to other global commitments, potentially reshaping strategic priorities and affecting international security dynamics.
Key Details
- War Cost (6 months)
- $38 billion
- Monthly Cost Increase
- $3 billion
- Projected Inflation Increase
- 0.5 percentage points
- Time to Replenish Munitions
- up to 5 years
- War Start Date
- February 2026
- Pentagon Testimony Cost Estimate
- $37.5 billion
Context & Background
The U.S. and Israel launched the Iran war in February 2026, a conflict that has disrupted global energy markets and raised concerns about inflation ahead of the November midterm elections.
Original Reporting & Sources
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