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

How much US Treasury debt was maturing within a year on 31 December 2017?

On 31 December 2017, $3.83 trillion of marketable US Treasury debt was due within 12 months, 5.1% more than a year earlier ($3.64 trillion on 31 December 2016).

Marketable Treasury debt maturing each month, by kind

January 2018 to December 2018As of the month-end of 31 Dec 2017

$0.2T$0.4T$0.6T$0.8TJanFebMarAprMayJunJulAugSepOctNovDec

January 2018 Bills $548.98B Notes and bonds $115.04B TIPS and FRNs $60.60B Total $724.62BFebruary 2018 Bills $319.97B Notes and bonds $163.50B Total $483.47BMarch 2018 Bills $429.99B Notes and bonds $121.50B Total $551.49BApril 2018 Bills $164.00B Notes and bonds $122.73B TIPS and FRNs $98.34B Total $385.07BMay 2018 Bills $200.00B Notes and bonds $164.41B Total $364.41BJune 2018 Bills $173.00B Notes and bonds $118.73B Total $291.72BJuly 2018 Bills $20.00B Notes and bonds $116.68B TIPS and FRNs $59.97B Total $196.64BAugust 2018 Bills $20.00B Notes and bonds $153.95B Total $173.95BSeptember 2018 Bills $20.00B Notes and bonds $116.49B Total $136.49BOctober 2018 Bills $20.00B Notes and bonds $116.67B TIPS and FRNs $41.91B Total $178.58BNovember 2018 Bills $20.00B Notes and bonds $182.72B Total $202.72BDecember 2018 Bills $20.00B Notes and bonds $118.38B Total $138.38B

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: 31 Dec 2017

Due within 12 months$3.83T
Bills$1.96T
Notes and bonds$1.61T
TIPS and FRNs$260.81B

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 December 2016. Every month is in the table under "The numbers behind the chart".

Debt due within 12 months of 31 December 2017 and of 31 December 2016 ($ million)
Measure	This month-end	A year earlier
Month-end	31 December 2017	31 December 2016
Due within 12 months	3,827,534	3,641,069
Bills	1,955,932	1,817,963
Notes	1,596,900	1,548,251
Bonds	13,892	26,528
TIPS	89,805	84,277
FRNs	171,006	164,050
Securities	91	89
Bills share	51.1%	49.9%

Observed 31 Dec 2017.

That month-end

January 2018 is the largest month, with $724.62 billion.

Bills, the securities that mature within a year of issue, were 51.1% of what was due in these months.

A year earlier

At the month-end a year before, 31 December 2016, $3.64 trillion was due within the next 12 months, against $3.83 trillion at this one.

All marketable debt

Marketable Treasury debt outstanding at the month-end was $14.38 trillion, by kind:

Bills $1.96T
Notes and bonds $10.75T
TIPS and FRNs $1.67T

Bills made up 13.6% of it. Weighted by amount, it had 70.0 months to go until it matures, on average.

Each kind, in millions

Understanding the maturity calendar

Where it stands today

$3.83T was due within 12 months of the month-end of 31 Dec 2017, 51.1% 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.

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 in	Total	Bills	Notes	Bonds	TIPS	FRNs	Securities
January 2018	724,620	548,979	115,038	0	19,330	41,273	11
February 2018	483,470	319,973	163,497	0	0	0	8
March 2018	551,487	429,992	121,495	0	0	0	9
April 2018	385,067	163,997	122,734	0	53,350	44,986	10
May 2018	364,408	199,999	157,692	6,717	0	0	11
June 2018	291,721	172,995	118,726	0	0	0	8
July 2018	196,642	19,999	116,679	0	17,125	42,840	7
August 2018	173,950	20,000	153,950	0	0	0	5
September 2018	136,487	19,999	116,487	0	0	0	4
October 2018	178,580	20,000	116,673	0	0	41,907	6
November 2018	202,721	20,000	175,547	7,174	0	0	7
December 2018	138,382	19,999	118,383	0	0	0	5
All of these months	3,827,534	1,955,932	1,596,900	13,892	89,805	171,006	91

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

What was all marketable debt made of?31 December 2017, $ million

Marketable Treasury debt outstanding at the month-end ($ million)
Kind	Amount, $ million	Share
Bills	1,955,932	13.6%
Notes	8,758,254	60.9%
Bonds	1,992,491	13.9%
TIPS	1,327,528	9.2%
Floating rate notes	343,052	2.4%
All marketable debt	14,377,257	100.0%

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 in	Total	Held by the Fed	Fed share
January 2018	724,620	30,945	4.3%
February 2018	483,470	48,610	10.1%
March 2018	551,487	31,201	5.7%
April 2018	385,067	34,573	9.0%
May 2018	364,408	54,706	15.0%
June 2018	291,721	30,454	10.4%
July 2018	196,642	31,416	16.0%
August 2018	173,950	44,001	25.3%
September 2018	136,487	19,007	13.9%
October 2018	178,580	23,833	13.3%
November 2018	202,721	59,220	29.2%
December 2018	138,382	18,209	13.2%

Observed 27 Dec 2017.

When are the figures from?

Observed 31 Dec 2017.

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Page updated 4 Oct 2026, 09:34 UTC

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.