Maturities · Month-end record, Monthly Statement of the Public Debt
How much US Treasury debt was maturing within a year on 31 May 2010?
On , $2.58 trillion of marketable US Treasury debt was due within 12 months, 6.3% less than a year earlier ($2.75 trillion on ).
Marketable Treasury debt maturing each month, by kind
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$2.58T
- Bills$1.86T
- Notes and bonds$688.11B
- TIPS and FRNs$35.86B
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 2009. Every month is in the table under "The numbers behind the chart".
| Measure | This month-end | A year earlier |
|---|---|---|
| Month-end | ||
| Due within 12 months | 2,579,485 | 2,753,986 |
| Bills | 1,855,517 | 2,065,401 |
| Notes | 688,107 | 642,843 |
| Bonds | 0 | 0 |
| TIPS | 35,861 | 45,742 |
| FRNs | 0 | 0 |
| Securities | 60 | 67 |
| Bills share | 71.9% | 75.0% |
Observed .
That month-end
June 2010 is the largest month, with $604.65 billion.
Bills, the securities that mature within a year of issue, were 71.9% of what was due in these months.
A year earlier
At the month-end a year before, , $2.75 trillion was due within the next 12 months, against $2.58 trillion at this one.
All marketable debt
Marketable Treasury debt outstanding at the month-end was $7.91 trillion, by kind:
- Bills $1.86T
- Notes and bonds $5.50T
- TIPS and FRNs $563.22B
Weighted by amount, it had 57.2 months to go until it matures, on average.
Understanding the maturity calendar
Where it stands today
$2.58T was due within 12 months of the month-end of , 71.9% of it in bills.
What does the maturity calendar show?
Treasury usually pays maturing debt with new borrowing, so the amount due is the amount Treasury rolls over into new securities.
Read more
Bills issued after the month-end are not here; the calendar filled with new bills every week.
The numbers behind the chart
How much was due in each of the 12 months after it?$ million, by kind
| Maturing in | Total | Bills | Notes | Bonds | TIPS | FRNs | Securities |
|---|---|---|---|---|---|---|---|
| June 2010 | 604,650 | 557,431 | 47,220 | 0 | 0 | 0 | 6 |
| July 2010 | 491,457 | 444,035 | 47,422 | 0 | 0 | 0 | 7 |
| August 2010 | 336,080 | 264,026 | 72,054 | 0 | 0 | 0 | 7 |
| September 2010 | 220,172 | 170,022 | 50,149 | 0 | 0 | 0 | 7 |
| October 2010 | 181,512 | 133,004 | 48,508 | 0 | 0 | 0 | 6 |
| November 2010 | 184,485 | 130,003 | 54,481 | 0 | 0 | 0 | 6 |
| December 2010 | 80,778 | 27,000 | 53,777 | 0 | 0 | 0 | 3 |
| January 2011 | 94,445 | 25,997 | 54,699 | 0 | 13,749 | 0 | 4 |
| February 2011 | 109,082 | 26,000 | 83,082 | 0 | 0 | 0 | 4 |
| March 2011 | 85,395 | 26,000 | 59,395 | 0 | 0 | 0 | 3 |
| April 2011 | 106,999 | 25,999 | 58,888 | 0 | 22,112 | 0 | 4 |
| May 2011 | 84,431 | 26,000 | 58,431 | 0 | 0 | 0 | 3 |
| All of these months | 2,579,485 | 1,855,517 | 688,107 | 0 | 35,861 | 0 | 60 |
The table scrolls sideways; the first column stays in place.
What was all marketable debt made of?31 May 2010, $ million
| Kind | Amount, $ million | Share |
|---|---|---|
| Bills | 1,855,517 | 23.4% |
| Notes | 4,701,552 | 59.4% |
| Bonds | 793,690 | 10.0% |
| TIPS | 563,218 | 7.1% |
| Floating rate notes | 0 | 0.0% |
| All marketable debt | 7,913,977 | 100.0% |
How much of it did the Federal Reserve hold?System Open Market Account, $ million
| Maturing in | Total | Held by the Fed | Fed share |
|---|---|---|---|
| June 2010 | 604,650 | 19,625 | 3.2% |
| July 2010 | 491,457 | 3,438 | 0.7% |
| August 2010 | 336,080 | 7,100 | 2.1% |
| September 2010 | 220,172 | 3,983 | 1.8% |
| October 2010 | 181,512 | 2,609 | 1.4% |
| November 2010 | 184,485 | 6,100 | 3.3% |
| December 2010 | 80,778 | 5,922 | 7.3% |
| January 2011 | 94,445 | 3,670 | 3.9% |
| February 2011 | 109,082 | 7,585 | 7.0% |
| March 2011 | 85,395 | 4,933 | 5.8% |
| April 2011 | 106,999 | 9,447 | 8.8% |
| May 2011 | 84,431 | 9,259 | 11.0% |
Observed .
When are the figures from?
Observed .
500metrics is not affiliated with the New York Fed. The New York Fed does not sanction, endorse, or recommend any products or services offered by 500metrics.
Page updated
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.