U.S. national debt surpasses $40 trillion
ECONOMY

U.S. national debt surpasses $40 trillion

Aug 20, 2026Updated 1:21pm ET

U.S. Treasury data shows the federal government’s total debt has topped $40 trillion for the first time, as years of deficits and rising interest costs add to Washington’s borrowing needs.

U.S. Treasury data shows the federal government’s total debt has topped $40 trillion for the first time, as years of deficits and rising interest costs add to Washington’s borrowing needs.

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What This is

  • U.S. government debt rose above $40.05 trillion, according to Treasury data.
  • Federal debt has more than doubled from about $19.4 trillion a decade ago.
  • The debt rose by about $3 trillion over the past year.
  • Years of deficits, including pandemic-era stimulus spending, helped drive the increase.
  • An aging population is pushing up Social Security and Medicare costs, adding to long-term budget pressure.
  • Large tax cuts and big spending packages have also widened deficits over time.
  • The Treasury reported a $432.3 billion deficit in July and a year-to-date shortfall near $1.8 trillion.
  • Interest costs are approaching $1.2 trillion this year, adding pressure as rates and borrowing costs rise.
  • Treasury has increased longer-term bond buybacks to respond to surging yields and higher borrowing costs.
  • The Congressional Budget Office projects the debt will keep rising, with total debt estimated at about $63 trillion by 2036.

Why This Matters

  • Higher interest bills can crowd out other priorities unless taxes rise or spending falls.
  • More federal borrowing can keep upward pressure on interest rates across the economy.
  • Large, growing debt can make it harder to borrow in a crisis without spooking investors.
  • Because U.S.Treasury debt underpins global finance, worries about U.S. finances can ripple into markets abroad.

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