500metrics

All sources checked Checked

How much US Treasury debt was due within a year on 31 December 2018?

On , $4.31 trillion of marketable US Treasury debt was due within 12 months, 12.7% more than a year earlier ($3.83 trillion on ).

January 2019 is the largest month, with $977.05 billion

Marketable Treasury debt maturing each month, $ trillion

  • Bills
  • Notes and bonds
  • TIPS and floating rate notes
January 2019 is the largest month, with $977.05 billion0.000.250.500.751.00Jan0.98Feb0.65Mar0.47Apr0.41May0.40Jun0.29Jul0.20Aug0.23Sep0.14Oct0.18Nov0.22Dec0.14January 2019 is the largest month, with $977.05 billion0.000.250.500.751.00JanMarMayJulSepNov

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
January 2019977,054799,975116,194017,36143,52516
February 2019654,769463,010178,66813,0900013
March 2019465,835347,998117,8370008
April 2019405,078187,998118,496053,95844,6279
May 2019401,980215,001186,97900010
June 2019287,475170,019117,4560008
July 2019204,70825,997118,211017,97442,5267
August 2019228,96625,999184,02718,941007
September 2019143,23426,000117,2350005
October 2019182,01825,997114,6520041,3685
November 2019217,70325,999191,7040006
December 2019143,39325,999117,3930005
All of these months4,312,2152,339,9921,678,85232,03189,293172,04699

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

What is all marketable debt made of?

KindAmount, $ millionShare
Bills2,339,99215.0%
Notes9,297,01059.6%
Bonds2,174,49013.9%
TIPS1,412,5919.1%
Floating rate notes383,8152.5%
All marketable debt15,607,898100.0%

Bills, the securities that mature within a year of issue, made up 15.0% of marketable debt at the month-end and 54.3% of what matures in the months above.

Weighted by amount, marketable debt had 69.2 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 December 20184,312,2152,339,99254.3%
31 December 20173,827,5341,955,93251.1%

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
January 2019977,05416,2821.7%
February 2019654,76956,0528.6%
March 2019465,83522,3794.8%
April 2019405,07831,9267.9%
May 2019401,98058,53214.6%
June 2019287,47521,4637.5%
July 2019204,70821,49610.5%
August 2019228,96669,48830.3%
September 2019143,23412,9859.1%
October 2019182,01815,6838.6%
November 2019217,70348,16922.1%
December 2019143,39310,4817.3%

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.