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How much US Treasury debt was due within a year on 31 August 2024?

On , $9.21 trillion of marketable US Treasury debt was due within 12 months, 12.8% more than a year earlier ($8.16 trillion on ), the largest amount of any month-end we hold.

September 2024 is the largest month, with $2.07 trillion

Marketable Treasury debt maturing each month, $ trillion

  • Bills
  • Notes and bonds
  • TIPS and floating rate notes
September 2024 is the largest month, with $2.07 trillion0.001.002.003.00Sep2.07Oct1.97Nov1.20Dec0.75Jan0.77Feb0.64Mar0.22Apr0.34May0.33Jun0.22Jul0.35Aug0.33September 2024 is the largest month, with $2.07 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 20242,069,4321,886,095183,33700012
October 20241,970,5601,681,153178,346043,08967,97216
November 20241,204,083919,717274,7629,6040014
December 2024750,738570,267180,47100012
January 2025770,835422,120179,6820101,04567,98812
February 2025641,351351,455280,3869,5090010
March 2025224,77646,094178,6810005
April 2025344,60349,095181,967043,24170,3017
May 2025327,39750,570276,8280006
June 2025222,71346,969175,7440005
July 2025349,20948,584174,497054,24971,8797
August 2025334,14449,683273,27311,187007
All of these months9,209,8406,121,8012,537,97530,301241,624278,139113

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

What is all marketable debt made of?

KindAmount, $ millionShare
Bills6,121,80122.3%
Notes14,067,24351.2%
Bonds4,657,53117.0%
TIPS2,032,1987.4%
Floating rate notes587,5782.1%
All marketable debt27,466,351100.0%

Bills, the securities that mature within a year of issue, made up 22.3% of marketable debt at the month-end and 66.5% of what matures in the months above.

Weighted by amount, marketable debt had 71.0 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 20249,209,8406,121,80166.5%
31 August 20238,162,0665,073,92262.2%

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 20242,069,43239,7391.9%
October 20241,970,56092,0744.7%
November 20241,204,083115,3629.6%
December 2024750,73834,3124.6%
January 2025770,83590,82511.8%
February 2025641,351103,74916.2%
March 2025224,77633,51714.9%
April 2025344,60344,96013.0%
May 2025327,39780,94024.7%
June 2025222,71329,91713.4%
July 2025349,20938,25711.0%
August 2025334,14475,12922.5%

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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