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How much US Treasury debt was due within a year on 31 August 2008?

On , $1.88 trillion of marketable US Treasury debt was due within 12 months, 17.8% more than a year earlier ($1.60 trillion on ), the largest amount of any month-end we hold.

September 2008 is the largest month, with $434.90 billion

Marketable Treasury debt maturing each month, $ trillion

  • Bills
  • Notes and bonds
  • TIPS and floating rate notes
September 2008 is the largest month, with $434.90 billion0.000.250.500.751.00Sep0.43Oct0.26Nov0.29Dec0.14Jan0.20Feb0.17Mar0.04Apr0.04May0.08Jun0.05Jul0.07Aug0.11September 2008 is the largest month, with $434.90 billion0.000.250.500.751.00SepNovJanMarMayJul

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 2008434,900394,39840,5020007
October 2008264,372225,64838,7240007
November 2008286,090197,03889,0520008
December 2008135,82695,01040,8170006
January 2009200,230140,05438,979021,19708
February 2009165,816103,03662,7800007
March 200938,647038,6470002
April 200938,781038,7810002
May 200982,722082,7220004
June 200953,02616,00037,0260003
July 200972,89936,00536,8930004
August 2009110,39820,00190,3970005
All of these months1,883,7061,227,192635,317021,197063

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

What is all marketable debt made of?

KindAmount, $ millionShare
Bills1,227,19225.2%
Notes2,529,89052.0%
Bonds582,82312.0%
TIPS521,38510.7%
Floating rate notes00.0%
All marketable debt4,861,290100.0%

Bills, the securities that mature within a year of issue, made up 25.2% of marketable debt at the month-end and 65.1% of what matures in the months above.

Weighted by amount, marketable debt had 55.6 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 20081,883,7061,227,19265.1%
31 August 20071,599,4021,014,06663.4%

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
September 2008434,90020,2254.7%
October 2008264,3728,2813.1%
November 2008286,09014,1134.9%
December 2008135,8266,1394.5%
January 2009200,2307,4973.7%
February 2009165,8168,4475.1%
March 200938,6475,76614.9%
April 200938,7814,71612.2%
May 200982,72216,04019.4%
June 200953,0263,7077.0%
July 200972,8994,1155.6%
August 2009110,39814,86413.5%

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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