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How has the US Treasury maturity wall changed over time?

As of , marketable US Treasury debt due within a year of a month-end has ranged from $1.06 trillion on to $10.77 trillion on .

Debt due within a year, at each month-end

Marketable Treasury debt at each month-end ($ million)
Month-endDue within a yearOf which billsAll marketable debtShare due within a year
10,768,6777,248,07031,824,34933.8%
10,481,9786,988,89131,451,42533.3%
10,146,4686,690,68831,082,17832.6%
10,210,9996,758,77830,749,57933.2%
10,044,5746,621,98630,673,05032.7%
10,270,9326,819,56330,842,13533.3%
10,253,3606,808,10530,448,31433.7%
10,031,0166,595,65930,099,52933.3%
9,966,2166,547,26030,267,18832.9%
10,140,0636,723,29330,053,27833.7%
9,972,9156,593,19429,994,40933.2%
9,721,9316,397,04529,710,55932.7%
9,655,9286,369,00629,268,20433.0%
9,249,1565,995,91028,965,80931.9%
8,990,2025,784,06128,653,13331.4%
9,180,0476,003,02428,450,20132.3%
9,222,6046,060,01828,571,18132.3%
9,276,3776,155,95028,582,47432.5%
9,473,2786,367,95128,623,97433.1%
9,476,6916,379,92528,514,27633.2%
9,261,2396,186,88228,276,09232.8%
9,458,7566,389,76328,098,14633.7%
9,270,0906,186,77727,986,19433.1%
9,076,8966,004,76027,723,76032.7%
9,209,8406,121,80127,466,35133.5%
8,996,7835,915,78227,357,80032.9%
8,859,8365,765,83026,921,15532.9%
8,971,7455,866,78027,036,61133.2%
8,977,8605,866,76226,912,80933.4%
9,182,9776,062,86526,814,25634.2%
9,144,8226,011,23626,813,29434.1%
8,904,3255,780,24326,504,78233.6%
8,778,3005,675,78126,229,82133.5%
8,787,9625,671,14926,266,37033.5%
8,561,0425,456,99825,997,91132.9%
8,345,7465,260,40725,613,20032.6%
8,162,0665,073,92225,472,00732.0%
7,885,6604,770,51425,132,43931.4%
7,588,8954,466,69724,881,09230.5%
7,113,6023,993,42124,321,39429.2%
7,056,0223,942,64524,049,17029.3%
7,205,4904,068,83224,377,32929.6%
7,184,5624,057,77824,277,65229.6%
7,075,9223,938,87324,122,69729.3%
6,824,2003,697,38623,800,11928.7%
6,915,6493,811,90523,948,58828.9%
6,755,3473,665,97823,738,57328.5%
6,702,0163,644,62023,689,21128.3%
6,759,6853,724,97923,670,04628.6%
6,502,4233,514,93623,159,20228.1%
6,473,0073,523,92523,306,67027.8%
6,592,2173,672,92323,301,03728.3%
6,701,5233,827,92823,071,19629.0%
6,742,8073,928,96023,279,99329.0%
6,833,4584,055,00123,189,84329.5%
6,683,5703,961,05122,912,77929.2%
6,438,8773,770,06522,583,97328.5%
6,430,7123,786,09622,345,48828.8%
6,493,3343,852,10621,958,61529.6%
6,320,0713,714,11821,872,58328.9%
6,623,2194,038,11221,926,06930.2%
6,693,8484,142,12621,528,66731.1%
6,788,4754,275,09221,732,90631.2%
6,874,0544,377,07721,298,12032.3%
7,030,9314,540,05021,449,52632.8%
7,146,4324,669,03821,380,77233.4%
7,324,4514,859,03221,034,79134.8%
7,410,1244,954,95020,881,00635.5%
7,395,6564,964,13920,973,06335.3%
7,353,8274,943,66320,685,08135.6%
7,340,9834,985,33920,276,32436.2%
7,363,3575,028,90720,367,61236.2%
7,391,2515,076,72120,183,41836.6%
7,386,0985,078,94120,000,53536.9%
7,366,8275,079,62619,898,63637.0%
6,901,9694,629,91819,120,44336.1%
6,254,1044,001,77318,526,72833.8%
4,890,4652,657,43917,153,93128.5%
4,781,2882,564,58316,810,82628.4%
4,602,8052,404,29016,711,12627.5%
4,578,4242,416,86416,673,25927.5%
4,665,8262,515,12816,527,45928.2%
4,597,6412,456,07516,505,24727.9%
4,491,9742,376,95816,338,46327.5%
4,438,9952,331,91516,046,61427.7%
4,297,2532,205,89615,959,26326.9%
4,303,3552,250,93315,828,56527.2%
4,397,1302,353,94615,930,84327.6%
4,403,1782,383,99315,870,50327.7%
4,486,2662,480,03515,834,65428.3%
4,396,6762,396,04215,759,26827.9%
4,285,0902,299,06415,609,43927.5%
4,312,2152,339,99215,607,89827.6%
4,362,1572,389,10015,549,70128.1%
4,221,9742,258,00115,347,48727.5%
4,206,4192,239,93615,175,14927.7%
4,306,6482,340,92315,291,42828.2%
4,122,4552,205,89615,074,89327.3%
4,072,5262,157,98014,877,27027.4%
4,099,4652,183,98214,927,86727.5%
4,061,6952,168,98714,838,36627.4%
4,186,5792,288,96914,835,71428.2%
3,978,7902,077,96614,666,41427.1%
3,839,5511,966,93914,503,01726.5%
3,827,5341,955,93214,377,25726.6%
3,840,6161,970,91014,426,01326.6%
3,687,2991,855,92814,262,14725.9%
3,633,0611,801,93614,097,34725.8%
3,580,5341,747,92214,082,03225.4%
3,593,2111,757,95614,048,64225.6%
3,552,1031,717,95813,997,88525.4%
3,583,3711,747,95813,969,55525.7%
3,575,7091,741,99013,801,48325.9%
3,583,4361,756,96013,953,57125.7%
3,582,3911,752,96313,885,82725.8%
3,574,3641,761,97813,850,66125.8%
3,641,0691,817,96313,812,08426.4%
3,705,5851,872,95413,908,37026.6%
3,610,1591,752,94813,756,95526.2%
3,513,6061,646,96413,647,50225.7%
3,507,3981,632,94813,585,96925.8%
3,415,8721,549,93213,346,36825.6%
3,388,9011,507,94713,417,69125.3%
3,410,1401,523,95613,378,44725.5%
3,419,9151,526,95513,202,99525.9%
3,509,0211,617,95913,431,06426.1%
3,443,6761,551,94713,297,65225.9%
3,374,9271,477,93313,065,18725.8%
3,386,6601,513,95713,191,48025.7%
3,353,3891,505,97413,107,56725.6%
3,080,1051,272,99812,720,22724.2%
3,096,8481,357,99712,841,36124.1%
3,138,3121,423,97512,834,15824.5%
3,144,9301,439,98812,801,04224.6%
3,035,2181,394,99112,698,70423.9%
3,069,4641,446,95812,598,46924.4%
3,029,3591,432,93412,631,81824.0%
3,002,8861,477,89912,630,11923.8%
2,985,1261,472,88712,478,60323.9%
2,932,7111,412,88612,391,92623.7%
2,952,5881,457,88512,504,70823.6%
2,945,4481,439,92212,329,45323.9%
2,928,4261,413,94512,348,88823.7%
2,934,8651,410,98012,280,52623.9%
2,982,5021,451,99712,156,41324.5%
2,933,8671,409,98612,149,18424.1%
2,916,5731,387,98612,070,53024.2%
2,974,3561,448,98411,962,17224.9%
2,995,0471,483,97012,026,42624.9%
3,146,7561,651,96812,120,41726.0%
3,099,3301,613,97211,996,36725.8%
2,942,7011,485,97611,810,24624.9%
3,039,7901,591,95111,854,35825.6%
3,056,1851,620,95511,712,15726.1%
2,969,8291,544,96111,679,92225.4%
2,939,4261,529,97111,590,38425.4%
3,035,3401,637,96411,520,50026.3%
2,949,7721,555,95711,477,71925.7%
2,952,9371,569,94911,330,96026.1%
2,979,0331,606,93911,390,12326.2%
3,054,4131,694,94911,409,57226.8%
3,144,7351,790,95211,333,67627.7%
3,089,7321,741,95011,301,16527.3%
2,944,5931,607,94811,108,13226.5%
2,932,9511,628,97011,046,01326.6%
2,992,9651,694,98911,025,59527.1%
2,907,3221,622,00410,880,27926.7%
2,897,9691,616,00810,689,56527.1%
2,940,4461,663,00510,749,83527.4%
2,845,3881,580,99210,600,15826.8%
2,861,5031,596,40110,456,37027.4%
2,868,3681,605,42110,477,65327.4%
2,858,3431,613,42510,391,55727.5%
2,918,4371,674,43510,267,92428.4%
2,853,0581,610,41610,213,77827.9%
2,769,6291,525,44510,060,39027.5%
2,771,5841,520,5179,866,92228.1%
2,761,3021,512,4789,869,79628.0%
2,707,6171,482,5029,738,01127.8%
2,673,2021,477,5059,616,02527.8%
2,659,3381,493,5109,513,28428.0%
2,629,3951,492,4969,309,22728.2%
2,608,5971,531,4949,326,12728.0%
2,621,6311,578,5049,251,91228.3%
2,611,4461,610,4909,039,36128.9%
2,664,9061,698,5009,122,42129.2%
2,696,7351,767,5209,066,90029.7%
2,652,6631,760,5448,954,38529.6%
2,633,6311,772,5278,852,94129.7%
2,600,0121,775,4568,737,96629.8%
2,555,6711,768,4608,496,89130.1%
2,562,8611,788,4528,488,00430.2%
2,588,8071,825,5188,394,14230.8%
2,538,4811,790,5038,134,11031.2%
2,518,0151,782,5258,092,08631.1%
2,579,4851,855,5177,913,97732.6%
2,583,0361,847,5297,889,27332.7%
2,577,8361,843,4787,745,03633.3%
2,458,2731,736,4557,365,47533.4%
2,414,5981,689,4527,187,62533.6%
2,506,7021,793,4807,260,48934.5%
2,551,3991,850,4997,162,56535.6%
2,572,9591,858,5066,911,76037.2%
2,697,2291,992,5076,997,72538.5%
2,760,0982,068,4946,927,23039.8%
2,730,0442,020,4836,770,77340.3%
2,705,3622,006,4626,600,10141.0%
2,753,9862,065,4016,417,69342.9%
2,695,6341,994,5336,349,30342.5%
2,694,2642,033,5656,252,03243.1%
2,637,8661,985,5675,975,26544.1%
2,427,4571,798,5625,712,85042.5%
2,499,3101,866,6665,783,55443.2%
2,635,8772,003,7055,784,23645.6%
2,562,9191,909,7355,715,26944.8%
2,142,9231,489,8085,221,88341.0%
1,883,7061,227,1924,861,29038.7%
1,769,8581,135,7864,808,03336.8%
1,683,8911,060,4564,682,33436.0%
1,732,0201,119,2454,645,15837.3%
1,668,7711,025,7164,628,46936.1%
1,789,4391,158,3884,718,26737.9%
1,744,5411,125,3924,647,29337.5%
1,632,227984,3874,518,79136.1%
1,641,2681,003,8744,522,48936.3%
1,658,2461,035,0494,529,15936.6%
1,549,447938,0724,450,63334.8%
1,557,324958,0814,407,44535.3%
1,599,4021,014,0664,482,10135.7%
1,511,599892,0684,389,32234.4%
1,487,892869,0514,298,33634.6%
1,537,944919,0794,364,17035.2%
1,544,584944,0864,398,28135.1%
1,638,6431,033,0964,422,68037.1%
1,592,732982,0884,394,45436.2%
1,521,808932,0754,333,32735.1%
1,534,920944,2234,295,88835.7%
1,585,127989,0364,366,88036.3%
1,540,381929,5164,323,87235.6%
1,547,830911,5304,257,28536.4%
1,603,619962,3124,330,57337.0%
1,531,288932,6934,266,31035.9%
1,543,081916,7064,239,91636.4%
1,586,572954,4414,255,13337.3%
1,599,651965,1074,234,76937.8%
1,678,8881,042,0504,326,29638.8%
1,638,595999,5614,263,45438.4%
1,579,057956,2494,180,72737.8%
1,570,522963,8664,135,85638.0%
1,595,633986,9344,171,15138.3%
1,528,806936,5964,117,19037.1%
1,486,815914,2644,070,77236.5%
1,525,685953,2514,092,33937.3%
1,509,817942,2434,033,79637.4%
1,467,223923,4034,016,97936.5%
1,504,230961,2964,035,95937.3%
1,515,321991,3164,022,27837.7%
1,583,0661,059,1014,089,72138.7%
1,555,6961,030,8584,040,19338.5%
1,506,571986,8383,960,84938.0%
1,524,2091,003,1723,945,66138.6%
1,551,0041,030,7603,949,23539.3%
1,514,920981,9483,870,17639.1%
1,494,523961,4793,845,98538.9%
1,512,923976,7623,840,58239.4%
1,513,818962,5443,775,09840.1%
1,501,316946,7893,755,37440.0%
1,514,957958,0813,711,14740.8%
1,482,136933,4263,697,32140.1%
1,532,040984,9703,721,10141.2%
1,502,926958,1943,631,00841.4%
1,465,961907,8713,550,89041.3%
1,483,826928,7983,575,05341.5%
1,506,245954,7533,536,64742.6%
1,459,263943,9203,519,17041.5%
1,426,278918,2273,460,59641.2%
1,457,744961,6733,435,40342.4%
1,433,166937,0433,412,96342.0%
1,406,664927,7883,378,96341.6%
1,383,409910,7853,312,33141.8%
1,361,819929,9003,301,23941.3%
1,380,224955,0493,316,84241.6%
1,339,944918,7943,273,58340.9%
1,282,893869,3423,197,06140.1%
1,300,092888,7643,205,13740.6%
1,309,979901,4433,178,37141.2%
1,268,278881,8673,148,54740.3%
1,256,107868,2493,121,60040.2%
1,283,862890,7293,102,68041.4%
1,237,043862,2773,080,76240.2%
1,227,401822,4723,009,78040.8%
1,220,535816,1303,030,00440.3%
1,208,181793,5032,977,61240.6%
1,254,968834,4092,988,33342.0%
1,256,457833,2443,018,42741.6%
1,193,209792,7262,953,08040.4%
1,216,042811,2462,967,89341.0%
1,222,541813,3942,976,23041.1%
1,174,867736,2512,906,14740.4%
1,180,748734,8882,882,29741.0%
1,183,893732,6182,913,70840.6%
1,100,871653,0812,837,77138.8%
1,056,603620,0802,807,33537.6%
1,060,924618,4972,840,28337.4%
1,082,078619,1112,862,75437.8%
1,177,947712,0322,966,95239.7%
1,150,820680,6582,974,11338.7%
1,154,776656,1482,962,20139.0%

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

A month-end without a link is one whose securities do not yet add up to Treasury's own total; its snapshot appears once they do.

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

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