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CBO Raises FY2026 Deficit Forecast to $2.1 Trillion as July Shortfall Deepens

Tariff refunds, rising interest payments, and larger Social Security and Medicare costs are worsening the fiscal gap and forcing more Treasury borrowing.

Overview

  • The nonpartisan Congressional Budget Office said in its monthly update Monday that it now expects a roughly $2.1 trillion deficit for fiscal year 2026, about $200 billion higher than its February forecast.
  • The U.S. Treasury reported a $432.3 billion deficit in July, the largest July shortfall since March 2021, which pushed the fiscal-year-to-date gap to about $1.8 trillion through the first 10 months.
  • A key driver of the upward revision is weaker customs receipts after the Supreme Court invalidated some IEEPA-based tariffs, with roughly $100 billion refunded so far and CBO estimating tariff collections about $250 billion below earlier expectations.
  • Net interest costs have surged, totaling roughly $963 billion between October 2025 and July 2026—about $3.18 billion per day—which is amplifying outlay growth and Treasury borrowing needs.
  • With gross federal debt approaching $40 trillion and the debt-to-GDP ratio near 122%, higher deficits raise the risk of upward pressure on yields and borrowing costs while legal and policy uncertainty over tariff authority complicates near-term revenue fixes.