Alternative Social Security Medicare (net) Medicaid Net Interest All other spending Revenue Total federal spending Unified surplus/deficit Debt held by the public Percent of GDP 2008 4.3 2.8 1.5 1.6 10.1 18.6 20.4 -1.8 37.1 2009 4.4 2.9 1.5 1.6 10.1 18.4 20.5 -2.1 37.8 2010 4.4 3.0 1.6 1.8 10.1 18.0 20.8 -2.8 38.7 2011 4.4 3.0 1.6 1.8 10.1 17.8 20.9 -3.1 40.0 2012 4.4 3.1 1.6 1.9 9.9 17.8 20.8 -3.0 41.2 2013 4.5 3.2 1.7 2.0 9.9 17.6 21.2 -3.6 43.1 2014 4.5 3.3 1.7 2.1 9.8 17.6 21.3 -3.7 44.9 2015 4.6 3.4 1.8 2.2 9.8 17.7 21.7 -4.1 47.1 2016 4.7 3.5 1.9 2.3 9.8 17.7 22.2 -4.5 49.7 2017 4.8 3.6 1.9 2.4 9.7 17.8 22.4 -4.6 52.3 2018 4.9 3.7 2.0 2.5 9.7 17.9 22.8 -5.0 55.1 2019 5.0 3.9 2.0 2.6 9.7 18.1 23.2 -5.0 57.9 2020 5.1 4.0 2.0 2.7 9.7 18.4 23.6 -5.2 60.8 2021 5.2 4.1 2.1 2.9 9.7 18.4 24.0 -5.6 64.1 2022 5.3 4.3 2.1 3.0 9.7 18.5 24.5 -6.0 67.7 2023 5.4 4.5 2.2 3.2 9.7 18.5 25.0 -6.5 71.7 2024 5.5 4.6 2.2 3.4 9.7 18.5 25.4 -7.0 76.0 2025 5.7 4.8 2.3 3.6 9.7 18.5 26.0 -7.5 80.7 2026 5.7 4.9 2.3 3.8 9.7 18.5 26.5 -8.0 85.7 2027 5.8 5.1 2.4 4.1 9.7 18.5 27.1 -8.5 91.1 2028 5.9 5.2 2.4 4.3 9.7 18.6 27.6 -9.0 96.8 2029 6.0 5.4 2.5 4.6 9.7 18.6 28.2 -9.6 102.9 2030 6.1 5.6 2.5 4.9 9.7 18.6 28.7 -10.1 109.2 2031 6.1 5.7 2.6 5.2 9.7 18.6 29.3 -10.7 116.0 2032 6.2 5.8 2.7 5.5 9.7 18.6 29.9 -11.3 123.0 2033 6.2 6.0 2.7 5.8 9.7 18.6 30.4 -11.8 130.3 2034 6.2 6.1 2.8 6.2 9.7 18.6 31.0 -12.4 137.9 2035 6.2 6.2 2.8 6.5 9.7 18.6 31.5 -12.9 145.6 2036 6.3 6.4 2.9 6.9 9.7 18.6 32.1 -13.5 153.7 2037 6.3 6.5 3.0 7.3 9.7 18.6 32.7 -14.1 162.1 2038 6.3 6.6 3.0 7.7 9.7 18.6 33.2 -14.6 170.6 2039 6.3 6.7 3.1 8.1 9.7 18.6 33.8 -15.2 179.4 2040 6.3 6.8 3.1 8.5 9.7 18.6 34.3 -15.7 188.4 2041 6.2 6.8 3.2 8.9 9.7 18.6 34.9 -16.3 197.7 2042 6.2 6.9 3.2 9.4 9.7 18.6 35.4 -16.8 207.1 2043 6.2 7.0 3.3 9.8 9.7 18.6 36.0 -17.4 216.7 2044 6.2 7.1 3.4 10.3 9.7 18.6 36.6 -18.0 226.6 2045 6.2 7.2 3.4 10.7 9.7 18.6 37.2 -18.6 236.6 2046 6.2 7.2 3.5 11.2 9.7 18.6 37.8 -19.2 246.9 2047 6.2 7.3 3.5 11.7 9.7 18.6 38.3 -19.7 257.3 2048 6.1 7.4 3.6 12.2 9.7 18.6 39.0 -20.4 268.0 2049 6.1 7.4 3.6 12.7 9.7 18.6 39.5 -20.9 278.9 2050 6.1 7.5 3.7 13.2 9.7 18.6 40.2 -21.6 290.1 2051 6.1 7.6 3.7 13.7 9.7 18.6 40.8 -22.2 301.4 2052 6.1 7.6 3.7 14.3 9.7 18.6 41.4 -22.8 312.9 2053 6.1 7.7 3.8 14.8 9.7 18.6 42.1 -23.5 324.6 2054 6.1 7.8 3.8 15.4 9.7 18.6 42.7 -24.1 336.4 2055 6.1 7.8 3.9 15.9 9.7 18.6 43.4 -24.8 348.5 2056 6.1 7.9 3.9 16.5 9.7 18.7 44.1 -25.4 360.8 2057 6.1 8.0 4.0 17.1 9.7 18.7 44.8 -26.2 373.3 2058 6.1 8.1 4.0 17.7 9.7 18.7 45.5 -26.8 386.0 2059 6.1 8.1 4.1 18.3 9.7 18.7 46.3 -27.6 398.9 2060 6.1 8.2 4.1 18.9 9.7 18.7 46.9 -28.3 412.0 2061 6.1 8.3 4.1 19.5 9.7 18.7 47.6 -28.9 425.3 2062 6.1 8.4 4.2 20.1 9.7 18.7 48.4 -29.7 438.8 2063 6.0 8.4 4.2 20.7 9.7 18.7 49.1 -30.4 452.4 2064 6.0 8.5 4.3 21.4 9.7 18.7 49.9 -31.2 466.3 2065 6.0 8.6 4.3 22.0 9.7 18.7 50.7 -32.0 480.3 2066 6.0 8.7 4.4 22.7 9.7 18.7 51.5 -32.8 494.7 2067 6.0 8.7 4.4 23.4 9.7 18.7 52.2 -33.5 509.1 2068 6.0 8.8 4.5 24.1 9.7 18.7 53.1 -34.4 523.8 2069 6.0 8.9 4.5 24.8 9.7 18.7 53.9 -35.1 538.7 2070 6.0 9.0 4.6 25.5 9.7 18.7 54.7 -36.0 553.8 2071 6.0 9.0 4.6 26.2 9.7 18.8 55.5 -36.7 569.1 2072 6.0 9.1 4.6 26.9 9.7 18.8 56.3 -37.5 584.5 2073 6.0 9.2 4.7 27.6 9.7 18.8 57.2 -38.4 600.2 2074 6.0 9.2 4.7 28.4 9.7 18.8 58.0 -39.2 615.9 2075 6.0 9.3 4.8 29.1 9.7 18.8 58.9 -40.1 632.0 2076 6.0 9.3 4.8 29.9 9.7 18.8 59.7 -40.9 648.2 2077 6.0 9.4 4.9 30.6 9.7 18.8 60.6 -41.8 664.6 2078 6.0 9.5 4.9 31.4 9.7 18.8 61.4 -42.6 681.1 2079 6.0 9.5 4.9 32.2 9.7 18.8 62.2 -43.4 697.8 2080 6.0 9.6 5.0 33.0 9.7 18.8 63.2 -44.4 714.8 2081 6.0 9.6 5.0 33.8 9.7 18.8 64.0 -45.2 731.9 2082 6.0 9.7 5.1 34.6 9.7 18.8 65.0 -46.2 749.2 Source: GAO's April 2008 analysis.