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How much US Treasury debt was due within a year on 31 August 2025?

On , $9.66 trillion of marketable US Treasury debt was due within 12 months, 4.8% more than a year earlier ($9.21 trillion on ), the largest amount of any month-end we hold.

September 2025 is the largest month, with $2.34 trillion

Marketable Treasury debt maturing each month, $ trillion

  • Bills
  • Notes and bonds
  • TIPS and floating rate notes
September 2025 is the largest month, with $2.34 trillion0.001.002.003.00Sep2.34Oct1.86Nov1.21Dec0.78Jan0.80Feb0.65Mar0.25Apr0.40May0.34Jun0.27Jul0.39Aug0.36September 2025 is the largest month, with $2.34 trillion0.001.002.003.00SepNovJanMarMayJul

Source: U.S. Treasury, Fiscal Data, Monthly Statement of the Public Debt. Observed .

Each month as a table
Marketable Treasury debt maturing each month ($ million)
Maturing inTotalBillsNotesBondsTIPSFRNsSecurities
September 20252,344,9482,165,425179,52300013
October 20251,863,7731,569,061174,113042,60078,00015
November 20251,208,493947,923260,57000013
December 2025784,969589,833195,13600012
January 2026804,101432,717197,838089,54684,00012
February 2026647,725358,151276,73712,8380010
March 2026246,78548,117198,6680005
April 2026403,51650,349216,359049,01287,7967
May 2026336,62252,209284,4140006
June 2026265,03749,568215,4690005
July 2026392,08552,870202,013049,56087,6437
August 2026357,87352,786296,2778,810007
All of these months9,655,9286,369,0062,697,11621,648230,718337,439112

The table scrolls sideways; the first column stays in place.

What is all marketable debt made of?

KindAmount, $ millionShare
Bills6,369,00621.8%
Notes15,076,78151.5%
Bonds5,094,90117.4%
TIPS2,065,0027.1%
Floating rate notes662,5142.3%
All marketable debt29,268,204100.0%

Bills, the securities that mature within a year of issue, made up 21.8% of marketable debt at the month-end and 66.0% of what matures in the months above.

Weighted by amount, marketable debt had 71.2 months to go until it matures, on average, at the month-end.

How does it compare with a year earlier?

Debt due within the next months ($ million)
Month-endTotalBillsBills share
31 August 20259,655,9286,369,00666.0%
31 August 20249,209,8406,121,80166.5%

About these figures

The Federal Reserve's part and the source

How much of it did the Federal Reserve hold?

Maturing debt held in the Federal Reserve's System Open Market Account ($ million)
Maturing inTotalHeld by the FedFed share
September 20252,344,94850,4272.2%
October 20251,863,77376,2064.1%
November 20251,208,49383,6976.9%
December 2025784,96933,2894.2%
January 2026804,10172,0589.0%
February 2026647,72574,25811.5%
March 2026246,78522,3819.1%
April 2026403,51654,96813.6%
May 2026336,62263,25518.8%
June 2026265,03732,55512.3%
July 2026392,08540,69710.4%
August 2026357,87361,01717.0%

Source: Federal Reserve Bank of New York, SOMA holdings. Observed .

Source

Source: U.S. Treasury, Fiscal Data, Monthly Statement of the Public Debt. Observed .

Sources and licence

Sources and licence

  • U.S. Treasury, Bureau of the Fiscal Service, Fiscal Data (source). Licence: Public domain, a work of the US federal government
  • © 2026 Federal Reserve Bank of New York. Content from the New York Fed subject to the Terms of Use at newyorkfed.org. The Federal Reserve share of maturities is computed by 500metrics. (source). Licence: Federal Reserve Bank of New York terms of use

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