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How much US Treasury debt was due within a year on 30 September 2023?

On , $8.35 trillion of marketable US Treasury debt was due within 12 months, 24.5% more than a year earlier ($6.70 trillion on ), the largest amount of any month-end we hold.

October 2023 is the largest month, with $2.07 trillion

Marketable Treasury debt maturing each month, $ trillion

  • Bills
  • Notes and bonds
  • TIPS and floating rate notes
October 2023 is the largest month, with $2.07 trillion0.001.002.003.00Oct2.07Nov1.57Dec0.96Jan0.81Feb0.65Mar0.48Apr0.34May0.33Jun0.23Jul0.35Aug0.32Sep0.23October 2023 is the largest month, with $2.07 trillion0.001.002.003.00OctDecFebAprJunAug

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
October 20232,069,2341,798,883188,2470082,10414
November 20231,574,8531,302,778272,07500014
December 2023957,052762,336194,71600012
January 2024813,698489,452196,677053,68173,88714
February 2024651,338370,539280,79900010
March 2024482,949289,657193,2920007
April 2024343,16537,894194,890039,03271,3497
May 2024326,20040,694285,5060005
June 2024227,85040,256187,5940005
July 2024353,78040,996189,924052,78470,0767
August 2024318,59543,792274,8030006
September 2024227,03343,129183,9040005
All of these months8,345,7465,260,4072,642,4260145,496297,417106

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

What is all marketable debt made of?

KindAmount, $ millionShare
Bills5,260,40720.5%
Notes13,594,52453.1%
Bonds4,246,89816.6%
TIPS1,935,8157.6%
Floating rate notes575,5562.2%
All marketable debt25,613,200100.0%

Bills, the securities that mature within a year of issue, made up 20.5% of marketable debt at the month-end and 63.0% of what matures in the months above.

Weighted by amount, marketable debt had 71.9 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
30 September 20238,345,7465,260,40763.0%
30 September 20226,702,0163,644,62054.4%

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
October 20232,069,234107,5435.2%
November 20231,574,853139,0848.8%
December 2023957,05269,3357.2%
January 2024813,69876,8859.4%
February 2024651,338109,91516.9%
March 2024482,94949,89310.3%
April 2024343,16566,88019.5%
May 2024326,20094,85529.1%
June 2024227,85037,93216.6%
July 2024353,78060,53517.1%
August 2024318,59568,38121.5%
September 2024227,03331,67013.9%

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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