500metrics

All sources checked Checked

How much US Treasury debt was due within a year on 31 August 2023?

On , $8.16 trillion of marketable US Treasury debt was due within 12 months, 20.7% more than a year earlier ($6.76 trillion on ), the largest amount of any month-end we hold.

September 2023 is the largest month, with $1.63 trillion

Marketable Treasury debt maturing each month, $ trillion

  • Bills
  • Notes and bonds
  • TIPS and floating rate notes
September 2023 is the largest month, with $1.63 trillion0.000.501.001.502.00Sep1.63Oct1.56Nov1.24Dec0.67Jan0.61Feb0.65Mar0.23Apr0.34May0.33Jun0.23Jul0.35Aug0.32September 2023 is the largest month, with $1.63 trillion0.000.501.001.502.00SepNovJanMarMayJul

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 20231,626,4441,439,462186,98200012
October 20231,556,7981,286,447188,2470082,10414
November 20231,243,482971,407272,07500014
December 2023673,819479,103194,71600012
January 2024612,291288,145196,677053,58173,88710
February 2024651,344370,545280,79900010
March 2024228,47135,179193,2920004
April 2024343,09237,894194,890038,95871,3497
May 2024326,20040,694285,5060005
June 2024227,85040,256187,5940005
July 2024353,68040,996189,924052,68470,0767
August 2024318,59543,792274,8030006
All of these months8,162,0665,073,9222,645,5040145,223297,417106

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

What is all marketable debt made of?

KindAmount, $ millionShare
Bills5,073,92219.9%
Notes13,702,51153.8%
Bonds4,226,89916.6%
TIPS1,917,1187.5%
Floating rate notes551,5562.2%
All marketable debt25,472,007100.0%

Bills, the securities that mature within a year of issue, made up 19.9% of marketable debt at the month-end and 62.2% of what matures in the months above.

Weighted by amount, marketable debt had 72.5 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 20238,162,0665,073,92262.2%
31 August 20226,759,6853,724,97955.1%

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 20231,626,44480,0614.9%
October 20231,556,798105,0386.7%
November 20231,243,482132,43610.7%
December 2023673,81964,8259.6%
January 2024612,29175,57612.3%
February 2024651,344105,18716.1%
March 2024228,47145,84120.1%
April 2024343,09266,85619.5%
May 2024326,20094,85529.1%
June 2024227,85037,93216.6%
July 2024353,68060,51617.1%
August 2024318,59568,38121.5%

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

Our text and compilation: CC BY 4.0. How to reuse and cite this page.