Maturities · Month-end record, Monthly Statement of the Public Debt

How much US Treasury debt was maturing within a year on 31 May 2021?

On , $6.87 trillion of marketable US Treasury debt was due within 12 months, 0.4% less than a year earlier ($6.90 trillion on ), the smallest amount since .

Marketable Treasury debt maturing each month, by kind

June 2021 to May 2022As of the month-end of

Marketable Treasury debt maturing each month, by kind, June 2021 to May 2022

Each kind

  • Bills
  • Notes and bonds
  • TIPS and FRNs

Each column is one month after the month-end, in parts by kind of security; pointing at a column shows them.

The linesLatest:

  • Due within 12 months$6.87T
  • Bills$4.38T
  • Notes and bonds$2.12T
  • TIPS and FRNs$375.56B
Inspect and compare dates

What matures within 12 months of this month-end beside the same months counted from the month-end a year earlier, 31 May 2020. Every month is in the table under "The numbers behind the chart".

Debt due within 12 months of 31 May 2021 and of 31 May 2020 ($ million)
MeasureThis month-endA year earlier
Month-end
Due within 12 months6,874,0546,901,969
Bills4,377,0774,629,918
Notes2,081,2831,879,379
Bonds40,13937,202
TIPS138,685130,579
FRNs236,871224,891
Securities111115
Bills share63.7%67.1%

Observed .

That month-end

June 2021 is the largest month, with $1.49 trillion.

Bills, the securities that mature within a year of issue, were 63.7% of what was due in these months.

A year earlier

At the month-end a year before, , $6.90 trillion was due within the next 12 months, against $6.87 trillion at this one.

All marketable debt

Marketable Treasury debt outstanding at the month-end was $21.30 trillion, by kind:

  • Bills $4.38T
  • Notes and bonds $14.81T
  • TIPS and FRNs $2.11T

Bills made up 20.6% of it. Weighted by amount, it had 68.6 months to go until it matures, on average.

Each kind, in millions

Understanding the maturity calendar

Where it stands today

$6.87T was due within 12 months of the month-end of , 63.7% of it in bills.

What does the maturity calendar show?

Treasury usually pays maturing debt with new borrowing, so the amount due is the amount Treasury rolls over into new securities.

Read more

Bills issued after the month-end are not here; the calendar filled with new bills every week.

The numbers behind the chart

How much was due in each of the 12 months after it?$ million, by kind
Marketable Treasury debt maturing each month ($ million)
Maturing inTotalBillsNotesBondsTIPSFRNsSecurities
June 20211,487,6171,345,370142,24700013
July 20211,315,6601,076,696140,099042,08056,78515
August 2021921,643696,309215,8279,5060015
September 2021575,629431,402144,22700012
October 2021483,766280,418145,2370058,1109
November 2021535,343280,279224,43130,6320010
December 2021228,00378,718149,2850006
January 2022292,24738,636147,288048,25858,0647
February 2022272,88237,771235,1110006
March 2022185,70335,210150,4920005
April 2022301,66538,008151,400048,34763,9107
May 2022273,89838,260235,6380006
All of these months6,874,0544,377,0772,081,28340,139138,685236,871111

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

What was all marketable debt made of?31 May 2021, $ million
Marketable Treasury debt outstanding at the month-end ($ million)
KindAmount, $ millionShare
Bills4,377,07720.6%
Notes11,714,44055.0%
Bonds3,093,81014.5%
TIPS1,585,3247.4%
Floating rate notes527,4692.5%
All marketable debt21,298,120100.0%
How much of it did the Federal Reserve hold?System Open Market Account, $ million
Maturing debt held in the Federal Reserve's System Open Market Account ($ million)
Maturing inTotalHeld by the FedFed share
June 20211,487,617115,2357.7%
July 20211,315,660124,8159.5%
August 2021921,643133,47914.5%
September 2021575,62966,68911.6%
October 2021483,76661,78812.8%
November 2021535,343110,51320.6%
December 2021228,00356,45424.8%
January 2022292,24752,11317.8%
February 2022272,88295,66635.1%
March 2022185,70347,28725.5%
April 2022301,66548,99516.2%
May 2022273,89896,95435.4%

Observed .

When are the figures from?

Observed .

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Sources

© 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) Terms: Federal Reserve Bank of New York terms of use.