Foreign, Public and Gross Federal Debt: 1940-2016
                 FEDERAL DEBT AT THE END OF FISCAL YEAR: 1940-2016
                               (billions of dollars)
                                                                             Foreign
                                 Federal   Social            Public deficit  as % of
        Gross   Public  Foreign    Gov't Security Medicare  ----------------  Public
Year     Debt     Debt     Debt Accounts     Debt     Debt    Total  Foreign    Debt
----  -------  -------  ------- -------- -------- --------  -------  -------  ------
1940     50.7     42.8               7.9      1.7
1941     57.5     48.2               9.3      2.4              -5.5
1942     79.2     67.8              11.4      3.2             -19.5
1943    142.6    127.8              14.9      4.3             -60.0
1944    204.1    184.8              19.3      5.4             -57.0
1945    260.1    235.2              24.9      6.6             -50.4
1946    271.0    241.9              29.1      7.6              -6.7
1947    257.1    224.3              32.8      8.8              17.5
1948    252.0    216.3              35.8     10.0               8.1
1949    252.6    214.3              38.3     11.3               1.9
1950    256.9    219.0              37.8     12.9              -4.7
1951    255.3    214.3              41.0     14.7               4.7
1952    259.1    214.8              44.3     16.6              -0.4
1953    266.0    218.4              47.6     18.4              -3.6
1954    270.8    224.5              46.3     20.0              -6.1
1955    274.4    226.6              47.8     21.1              -2.1
1956    272.7    222.2              50.5     22.6               4.5
1957    272.3    219.3              52.9     23.4               2.8
1958    279.7    226.3              53.3     23.9              -7.0
1959    287.5    234.7              52.8     23.2              -8.4
1960    290.5    236.8              53.7     23.0              -2.1
1961    292.6    238.4              54.3     23.4              -1.5
1962    302.9    248.0              54.9     22.2              -9.7
1963    310.3    254.0              56.3     21.4              -6.0
1964    316.1    256.8              59.2     22.0              -2.9
1965    322.3    260.8              61.5     22.2              -3.9                  
1966    328.5    263.7              64.8     21.6      0.9     -2.9                  
1967    340.4    266.6              73.8     25.6      1.8     -2.9                  
1968    368.7    289.5              79.1     28.1      1.7    -22.9
1969    365.8    278.1              87.7     31.9      2.4     11.4
1970    380.9    283.2     14.0     97.7     37.7      2.7     -5.1               4.9
1971    408.2    303.0     31.8    105.1     40.8      3.4    -19.8    -17.8     10.5
1972    435.9    322.4     49.2    113.6     43.8      3.3    -19.3    -17.4     15.3
1973    466.3    340.9     59.4    125.4     44.3      5.1    -18.5    -10.2     17.4
1974    483.9    343.7     56.8    140.2     46.1      9.2     -2.8      2.6     16.5
1975    541.9    394.7     66.0    147.2     48.2     11.3    -51.0     -9.2     16.7
1976    629.0    477.4     69.8    151.6     44.9     12.1    -82.7     -3.8     14.6
1977    706.4    549.1     95.5    157.3     39.6     13.4    -71.7    -25.7     17.4
1978    776.6    607.1    120.9    169.5     35.4     15.8    -58.0    -25.4     19.9
1979    829.5    640.3    124.2    189.2     33.4     18.4    -33.2     -3.3     19.4
1980    909.0    711.9    124.7    197.1     32.3     19.0    -71.6     -0.5     17.5
1981    994.8    789.4    130.7    205.4     27.2     21.8    -77.5     -6.0     16.6
1982   1137.3    924.6    140.6    212.7     19.3     26.7   -135.2     -9.9     15.2
1983   1371.7   1137.3    160.1    234.4     32.0     20.4   -212.7    -19.5     14.1
1984   1564.6   1307.0    175.6    257.6     32.2     26.0   -169.7    -15.5     13.4
1985   1817.4   1507.3    222.9    310.2     39.8     32.0   -200.3    -47.3     14.8
1986   2120.5   1740.6    265.5    379.9     45.9     48.1   -233.4    -42.6     15.3
1987   2346.0   1889.8    279.5    456.2     65.4     57.0   -149.1    -14.0     14.8
1988   2601.1   2051.6    345.9    549.5    104.2     72.3   -161.9    -66.4     16.9
1989   2867.8   2190.7    391.8    677.1    156.7     94.7   -139.1    -45.9     17.9
1990   3206.3   2411.6    463.8    794.7    214.9    110.2   -220.8    -72.0     19.2
1991   3598.2   2689.0    506.3    909.2    268.4    125.6   -277.4    -42.5     18.8
1992   4001.8   2999.7    562.8   1002.1    319.2    139.2   -310.7    -56.5     18.8
1993   4351.0   3248.4    619.1   1102.6    365.9    149.4   -248.7    -56.3     19.1
1994   4643.3   3433.1    682.0   1210.2    422.7    150.5   -184.7    -62.9     19.9
1995   4920.6   3604.4    820.4   1316.2    483.2    143.4   -171.3   -138.4     22.8
1996   5181.5   3734.1    993.4   1447.4    549.6    152.3   -129.7   -173.0     26.6
1997   5369.2   3772.3   1230.5   1596.9    630.9    151.2    -38.3   -237.1     32.6
1998   5478.2   3721.1   1224.2   1757.1    730.3    157.8     51.2      6.3     32.9
1999   5605.5   3632.4   1281.4   1973.2    855.0    184.1     88.7    -57.2     35.3
2000   5628.7   3409.8   1038.8   2218.9   1006.9    214.0    222.6    242.6     30.5
2001   5769.9   3319.6    992.2   2450.3   1169.8    239.2     90.2     46.6     29.9
2002   6198.4   3540.4   1188.6   2658.0   1328.9    267.8   -220.8   -196.4     33.6
2003   6760.0   3913.4   1443.3   2846.6   1484.5    275.9   -373.0   -254.7     36.9
2004   7354.7   4295.5   1794.5   3059.1   1635.4    282.0   -382.1   -351.2     41.8
2005   7905.3   4592.2   1929.6   3313.1   1809.0    294.6   -296.7   -135.1     42.0
2006   8451.4   4829.0   2025.3   3622.4   1994.2    336.4   -236.8    -95.7     41.9
2007   8950.7   5035.1   2235.3   3915.6   2180.8    358.5   -206.2   -210.0     44.4
2008   9986.1   5803.1   2799.5   4183.0   2366.4    378.1   -767.9   -564.2     48.2
2009  11875.9   7544.7   3575.5   4331.1   2503.8    371.2  -1741.7   -776.0     47.4
2010  13528.8   9018.9   4200.0   4509.9   2585.5    350.8  -1474.2   -624.5     46.6

2011* 15476.2  10856.5            4619.8   2644.9    303.9  -1837.5
2012* 16654.3  11881.1            4773.1   2720.4    280.8  -1024.7
2013* 17750.5  12784.0            4966.5   2800.8    258.1   -902.8
2014* 18761.2  13562.2            5199.0   2886.4    246.2   -778.2
2015* 19775.5  14301.1            5474.5   2976.3    246.8   -738.9
2016* 20825.0  15063.9            5761.1   3080.0    247.9   -762.8

-------------------------------------------------------------------
        FEDERAL DEBT AT THE END OF FISCAL YEAR: 1940-2015
                       (percentage of GDP)

                                 Federal   Social                  
        Gross   Public  Foreign    Gov't Security Medicare      GDP
Year     Debt     Debt     Debt Accounts     Debt     Debt   ($bil)
----  -------  -------  ------- -------- -------- --------  -------
1940     52.4     44.2               8.2      1.8              96.8
1941     50.4     42.3               8.2      2.1             114.1
1942     54.9     47.0               7.9      2.2             144.3
1943     79.1     70.9               8.3      2.4             180.3
1944     97.6     88.3               9.2      2.6             209.2
1945    117.5    106.2              11.3      3.0             221.4
1946    121.7    108.7              13.1      3.4             222.6
1947    110.3     96.2              14.1      3.8             233.2
1948     98.2     84.3              13.9      3.9             256.6
1949     93.1     79.0              14.1      4.2             271.3
1950     94.1     80.2              13.9      4.7             273.1
1951     79.7     66.9              12.8      4.6             320.2
1952     74.3     61.6              12.7      4.8             348.7
1953     71.4     58.6              12.8      4.9             372.5
1954     71.8     59.5              12.3      5.3             377.0
1955     69.3     57.2              12.1      5.3             395.9
1956     63.9     52.0              11.8      5.3             427.0
1957     60.4     48.6              11.7      5.2             450.9
1958     60.8     49.2              11.6      5.2             460.0
1959     58.6     47.9              10.8      4.7             490.2
1960     56.0     45.6              10.3      4.4             518.9
1961     55.2     45.0              10.2      4.4             529.9
1962     53.4     43.7               9.7      3.9             567.8
1963     51.8     42.4               9.4      3.6             599.2
1964     49.3     40.0               9.2      3.4             641.5
1965     46.9     37.9               9.0      3.2             687.5
1966     43.5     34.9               8.6      2.9      0.1    755.8
1967     42.0     32.9               9.1      3.2      0.2    810.0
1968     42.5     33.3               9.1      3.2      0.2    868.4
1969     38.6     29.3               9.2      3.4      0.3    948.1
1970     37.6     28.0      1.4      9.6      3.7      0.3   1012.7
1971     37.8     28.1      2.9      9.7      3.8      0.3   1080.0
1972     37.1     27.4      4.2      9.7      3.7      0.3   1176.5
1973     35.6     26.0      4.5      9.6      3.4      0.4   1310.6
1974     33.6     23.9      3.9      9.7      3.2      0.6   1438.5
1975     34.7     25.3      4.2      9.4      3.1      0.7   1560.2
1976     36.2     27.5      4.0      8.7      2.6      0.7   1738.1
1977     35.8     27.8      4.8      8.0      2.0      0.7   1973.5
1978     35.0     27.4      5.5      7.6      1.6      0.7   2217.5
1979     33.2     25.6      5.0      7.6      1.3      0.7   2501.4
1980     33.4     26.1      4.6      7.2      1.2      0.7   2724.2
1981     32.5     25.8      4.3      6.7      0.9      0.7   3057.0
1982     35.3     28.7      4.4      6.6      0.6      0.8   3223.7
1983     39.9     33.1      4.7      6.8      0.9      0.6   3440.7
1984     40.7     34.0      4.6      6.7      0.8      0.7   3844.4
1985     43.8     36.4      5.4      7.5      1.0      0.8   4146.3
1986     48.2     39.5      6.0      8.6      1.0      1.1   4403.9
1987     50.4     40.6      6.0      9.8      1.4      1.2   4651.4
1988     51.9     41.0      6.9     11.0      2.1      1.4   5008.5
1989     53.1     40.6      7.3     12.5      2.9      1.8   5399.5
1990     55.9     42.1      8.1     13.9      3.7      1.9   5734.5
1991     60.7     45.3      8.5     15.3      4.5      2.1   5930.5
1992     64.1     48.1      9.0     16.1      5.1      2.2   6242.0
1993     66.1     49.3      9.4     16.7      5.6      2.3   6587.3
1994     66.6     49.2      9.8     17.3      6.1      2.2   6976.6
1995     67.0     49.1     11.2     17.9      6.6      2.0   7341.1
1996     67.1     48.4     12.9     18.8      7.1      2.0   7718.3
1997     65.4     45.9     15.0     19.4      7.7      1.8   8211.7
1998     63.2     43.0     14.1     20.3      8.4      1.8   8663.0
1999     60.9     39.4     13.9     21.4      9.3      2.0   9208.4
2000     57.3     34.7     10.6     22.6     10.3      2.2   9821.0
2001     56.4     32.5      9.7     24.0     11.4      2.3  10225.3
2002     58.8     33.6     11.3     25.2     12.6      2.5  10543.9
2003     61.6     35.6     13.1     25.9     13.5      2.5  10979.8
2004     62.9     36.8     15.4     26.2     14.0      2.4  11685.6
2005     63.5     36.9     15.5     26.6     14.5      2.4  12445.7
2006     63.9     36.5     15.3     27.4     15.1      2.5  13224.9
2007     64.4     36.2     16.1     28.2     15.7      2.6  13891.8
2008     69.4     40.3     19.4     29.1     16.4      2.6  14394.1
2009     84.2     53.5     25.4     30.7     17.8      2.6  14097.5
2010     93.2     62.2     28.9     31.1     17.8      2.4  14508.2

2011*   102.6     72.0              30.6     17.5      2.0  15079.6
2012*   105.3     75.1              30.2     17.2      1.8  15812.5
2013*   106.0     76.3              29.6     16.7      1.5  16752.4
2014*   105.5     76.3              29.2     16.2      1.4  17782.2
2015*   105.2     76.1              29.1     15.8      1.3  18804.1
2016*   105.2     76.1              29.1     15.6      1.3  19790.5

* estimated

Note: Gross Debt equals debt held by the public (called Public Debt
      above) plus debt held by federal government accounts;
      Social Security includes Old-Age and Survivors Insurance Fund (OAS)
      and Disability Insurance Fund (DI); Medicare includes Hospital
      Insurance Fund (HI) and Supplementary Medical Insurance Fund (SMI)
      http://www.whitehouse.gov/sites/default/files/omb/budget/fy2012/assets/hist.zip
Source: Budget of the United States Government, FY 2012: Historical Tables,
        tables 7.1, 10.1, 13.1; Foreign Debt from Federal Reserve Economic Data (FRED),
        Series FDHBFIN, Federal Debt Held by Foreign & International Investors
        

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