The table below shows the income and cost by calendar quarter for the Old-Age and Survivors Insurance and the Disability Insurance Trust Funds on a combined basis. The two funds comprise the Social Security Trust Funds.
The cumulative difference between income and cost over time is the amount of asset reserves held by the funds.
| Calendar quarter |
Income | Cost | Net change in asset reserves |
Asset reserves at end of quarter |
|---|---|---|---|---|
| 1987 Qtr 1 | $56.4 | $51.2 | $5.3 | $52.1 |
| 1987 Qtr 2 | 65.2 | 54.4 | 10.8 | 62.9 |
| 1987 Qtr 3 | 54.2 | 51.7 | 2.5 | 65.4 |
| 1987 Qtr 4 | 55.2 | 51.9 | 3.4 | 68.8 |
| 1988 Qtr 1 | 63.9 | 54.9 | 9.1 | 77.9 |
| 1988 Qtr 2 | 75.8 | 57.7 | 18.1 | 96.0 |
| 1988 Qtr 3 | 63.1 | 54.9 | 8.3 | 104.2 |
| 1988 Qtr 4 | 60.6 | 55.1 | 5.5 | 109.8 |
| 1989 Qtr 1 | 74.2 | 58.0 | 16.3 | 126.0 |
| 1989 Qtr 2 | 84.3 | 61.1 | 23.3 | 149.3 |
| 1989 Qtr 3 | 65.8 | 58.4 | 7.4 | 156.7 |
| 1989 Qtr 4 | 65.1 | 58.8 | 6.3 | 163.0 |
| 1990 Qtr 1 | 75.4 | 61.4 | 14.0 | 177.0 |
| 1990 Qtr 2 | 94.6 | 65.7 | 28.9 | 205.9 |
| 1990 Qtr 3 | 71.6 | 62.7 | 9.0 | 214.9 |
| 1990 Qtr 4 | 73.7 | 63.4 | 10.4 | 225.3 |
| 1991 Qtr 1 | 81.5 | 66.8 | 14.7 | 240.0 |
| 1991 Qtr 2 | 93.4 | 71.0 | 22.4 | 262.4 |
| 1991 Qtr 3 | 74.0 | 67.9 | 6.0 | 268.4 |
| 1991 Qtr 4 | 80.8 | 68.5 | 12.3 | 280.7 |
| 1992 Qtr 1 | 77.4 | 71.3 | 6.1 | 286.8 |
| 1992 Qtr 2 | 105.1 | 75.3 | 29.8 | 316.6 |
| 1992 Qtr 3 | 75.0 | 72.4 | 2.5 | 319.2 |
| 1992 Qtr 4 | 85.1 | 72.8 | 12.3 | 331.5 |
| 1993 Qtr 1 | 77.1 | 75.7 | 1.4 | 332.9 |
| 1993 Qtr 2 | 108.4 | 79.4 | 29.0 | 361.8 |
| 1993 Qtr 3 | 80.7 | 76.6 | 4.1 | 365.9 |
| 1993 Qtr 4 | 89.3 | 77.0 | 12.3 | 378.3 |
| 1994 Qtr 1 | 86.4 | 79.0 | 7.4 | 385.7 |
| 1994 Qtr 2 | 115.2 | 83.2 | 32.0 | 417.7 |
| 1994 Qtr 3 | 85.4 | 80.3 | 5.0 | 422.7 |
| 1994 Qtr 4 | 94.1 | 80.5 | 13.7 | 436.4 |
| 1995 Qtr 1 | 92.8 | 83.2 | 9.6 | 446.0 |
| 1995 Qtr 2 | 120.7 | 88.0 | 32.7 | 478.7 |
| 1995 Qtr 3 | 88.6 | 84.1 | 4.5 | 483.2 |
| 1995 Qtr 4 | 97.4 | 84.5 | 12.9 | 496.1 |
| 1996 Qtr 1 | 96.4 | 86.6 | 9.8 | 505.9 |
| 1996 Qtr 2 | 129.5 | 90.9 | 38.6 | 544.5 |
| 1996 Qtr 3 | 92.7 | 87.6 | 5.1 | 549.6 |
| 1996 Qtr 4 | 105.8 | 88.4 | 17.4 | 567.0 |
| 1997 Qtr 1 | 105.5 | 90.5 | 14.9 | 581.9 |
| 1997 Qtr 2 | 133.6 | 94.8 | 38.9 | 620.8 |
| 1997 Qtr 3 | 101.7 | 91.6 | 10.1 | 630.9 |
| 1997 Qtr 4 | 116.9 | 92.2 | 24.6 | 655.5 |
| 1998 Qtr 1 | 113.5 | 94.0 | 19.5 | 675.0 |
| 1998 Qtr 2 | 148.2 | 98.1 | 50.1 | 725.1 |
| 1998 Qtr 3 | 100.0 | 94.9 | 5.1 | 730.2 |
| 1998 Qtr 4 | 127.5 | 95.2 | 32.3 | 762.5 |
| 1999 Qtr 1 | 118.9 | 96.5 | 22.4 | 784.8 |
| 1999 Qtr 2 | 156.2 | 100.9 | 55.3 | 840.1 |
| 1999 Qtr 3 | 112.2 | 97.4 | 14.8 | 854.9 |
| 1999 Qtr 4 | 139.3 | 98.1 | 41.2 | 896.1 |
| 2000 Qtr 1 | 129.2 | 100.5 | 28.7 | 924.9 |
| 2000 Qtr 2 | 170.8 | 107.3 | 63.5 | 988.4 |
| 2000 Qtr 3 | 121.9 | 103.5 | 18.4 | 1,006.8 |
| 2000 Qtr 4 | 146.5 | 103.8 | 42.7 | 1,049.4 |
| 2001 Qtr 1 | 139.5 | 107.6 | 31.8 | 1,081.3 |
| 2001 Qtr 2 | 186.1 | 111.9 | 74.1 | 1,155.4 |
| 2001 Qtr 3 | 123.9 | 109.6 | 14.3 | 1,169.7 |
| 2001 Qtr 4 | 152.6 | 109.8 | 42.8 | 1,212.5 |
| 2002 Qtr 1 | 142.8 | 113.7 | 29.1 | 1,241.6 |
| 2002 Qtr 2 | 190.5 | 117.5 | 72.9 | 1,314.6 |
| 2002 Qtr 3 | 129.1 | 114.9 | 14.2 | 1,328.8 |
| 2002 Qtr 4 | 164.7 | 115.5 | 49.2 | 1,378.0 |
| 2003 Qtr 1 | 141.1 | 117.5 | 23.6 | 1,401.6 |
| 2003 Qtr 2 | 195.2 | 122.4 | 72.8 | 1,474.4 |
| 2003 Qtr 3 | 129.2 | 119.3 | 10.0 | 1,484.3 |
| 2003 Qtr 4 | 166.3 | 119.9 | 46.4 | 1,530.8 |
| 2004 Qtr 1 | 145.0 | 122.9 | 22.1 | 1,552.9 |
| 2004 Qtr 2 | 199.5 | 128.2 | 71.3 | 1,624.2 |
| 2004 Qtr 3 | 135.8 | 124.5 | 11.3 | 1,635.4 |
| 2004 Qtr 4 | 177.4 | 126.0 | 51.4 | 1,686.8 |
| 2005 Qtr 1 | 154.0 | 130.0 | 24.1 | 1,710.9 |
| 2005 Qtr 2 | 216.9 | 135.5 | 81.4 | 1,792.3 |
| 2005 Qtr 3 | 148.3 | 131.8 | 16.6 | 1,808.9 |
| 2005 Qtr 4 | 182.4 | 132.7 | 49.7 | 1,858.7 |
| 2006 Qtr 1 | 168.7 | 138.0 | 30.7 | 1,889.4 |
| 2006 Qtr 2 | 229.2 | 143.6 | 85.6 | 1,974.9 |
| 2006 Qtr 3 | 153.4 | 134.2 | 19.2 | 1,994.2 |
| 2006 Qtr 4 | 193.6 | 139.6 | 54.0 | 2,048.1 |
| 2007 Qtr 1 | 179.0 | 145.8 | 33.2 | 2,081.3 |
| 2007 Qtr 2 | 239.0 | 151.8 | 87.3 | 2,168.6 |
| 2007 Qtr 3 | 160.2 | 148.2 | 12.0 | 2,180.6 |
| 2007 Qtr 4 | 206.7 | 148.8 | 57.9 | 2,238.5 |
| 2008 Qtr 1 | 182.8 | 153.2 | 29.7 | 2,268.2 |
| 2008 Qtr 2 | 250.3 | 159.0 | 91.4 | 2,359.5 |
| 2008 Qtr 3 | 162.9 | 156.1 | 6.7 | 2,366.3 |
| 2008 Qtr 4 | 209.3 | 156.9 | 52.4 | 2,418.7 |
| 2009 Qtr 1 | 185.3 | 167.2 | 18.1 | 2,436.8 |
| 2009 Qtr 2 | 251.8 | 174.3 | 77.5 | 2,514.2 |
| 2009 Qtr 3 | 160.7 | 171.3 | -10.6 | 2,503.6 |
| 2009 Qtr 4 | 209.8 | 173.0 | 36.7 | 2,540.3 |
| 2010 Qtr 1 | 172.9 | 174.1 | -1.2 | 2,539.2 |
| 2010 Qtr 2 | 246.4 | 181.2 | 65.2 | 2,604.4 |
| 2010 Qtr 3 | 158.8 | 177.9 | -19.1 | 2,585.3 |
| 2010 Qtr 4 | 202.9 | 179.3 | 23.6 | 2,609.0 |
| 2011 Qtr 1 | 177.5 | 180.3 | -2.7 | 2,606.2 |
| 2011 Qtr 2 | 249.9 | 187.5 | 62.4 | 2,668.6 |
| 2011 Qtr 3 | 168.4 | 183.6 | -15.3 | 2,653.3 |
| 2011 Qtr 4 | 209.3 | 184.7 | 24.6 | 2,677.9 |
| 2012 Qtr 1 | 194.4 | 193.3 | 1.0 | 2,679.0 |
| 2012 Qtr 2 | 260.5 | 199.2 | 61.3 | 2,740.3 |
| 2012 Qtr 3 | 173.7 | 196.1 | -22.4 | 2,717.9 |
| 2012 Qtr 4 | 211.6 | 197.2 | 14.4 | 2,732.3 |
| 2013 Qtr 1 | 198.0 | 202.3 | -4.3 | 2,728.0 |
| 2013 Qtr 2 | 262.7 | 208.3 | 54.4 | 2,782.5 |
| 2013 Qtr 3 | 178.5 | 205.5 | -26.9 | 2,755.5 |
| 2013 Qtr 4 | 215.7 | 206.8 | 8.9 | 2,764.4 |
| 2014 Qtr 1 | 208.8 | 211.1 | -2.3 | 2,762.2 |
| 2014 Qtr 2 | 267.6 | 218.2 | 49.4 | 2,811.6 |
| 2014 Qtr 3 | 185.3 | 214.2 | -29.0 | 2,782.6 |
| 2014 Qtr 4 | 222.6 | 215.7 | 6.9 | 2,789.5 |
| 2015 Qtr 1 | 219.1 | 220.6 | -1.5 | 2,787.9 |
| 2015 Qtr 2 | 277.1 | 227.4 | 49.7 | 2,837.6 |
| 2015 Qtr 3 | 194.5 | 223.9 | -29.4 | 2,808.2 |
| 2015 Qtr 4 | 229.5 | 225.2 | 4.3 | 2,812.5 |
| 2016 Qtr 1 | 221.1 | 227.0 | -6.0 | 2,806.5 |
| 2016 Qtr 2 | 292.3 | 233.6 | 58.8 | 2,865.3 |
| 2016 Qtr 3 | 207.3 | 230.2 | -22.9 | 2,842.4 |
| 2016 Qtr 4 | 236.7 | 231.4 | 5.3 | 2,847.7 |
| 2017 Qtr 1 | 236.7 | 234.6 | 2.2 | 2,849.9 |
| 2017 Qtr 2 | 302.5 | 241.0 | 61.6 | 2,911.4 |
| 2017 Qtr 3 | 215.9 | 237.8 | -21.9 | 2,889.5 |
| 2017 Qtr 4 | 241.4 | 239.2 | 2.2 | 2,891.8 |
| 2018 Qtr 1 | 241.6 | 245.8 | -4.3 | 2,887.5 |
| 2018 Qtr 2 | 287.6 | 253.2 | 34.4 | 2,921.9 |
| 2018 Qtr 3 | 222.2 | 249.9 | -27.7 | 2,894.2 |
| 2018 Qtr 4 | 252.1 | 251.3 | 0.7 | 2,894.9 |
| 2019 Qtr 1 | 251.3 | 260.6 | -9.3 | 2,885.6 |
| 2019 Qtr 2 | 316.7 | 268.1 | 48.7 | 2,934.3 |
| 2019 Qtr 3 | 231.0 | 264.5 | -33.6 | 2,900.7 |
| 2019 Qtr 4 | 262.8 | 266.1 | -3.3 | 2,897.4 |
| 2020 Qtr 1 | 265.4 | 272.9 | -7.5 | 2,889.9 |
| 2020 Qtr 2 | 326.8 | 280.3 | 46.5 | 2,936.4 |
| 2020 Qtr 3 | 248.0 | 276.1 | -28.1 | 2,908.2 |
| 2020 Qtr 4 | 277.9 | 277.9 | a | 2,908.3 |
| 2021 Qtr 1 | 258.2 | 282.5 | -24.2 | 2,884.0 |
| 2021 Qtr 2 | 288.3 | 289.1 | -0.8 | 2,883.3 |
| 2021 Qtr 3 | 255.9 | 285.3 | -29.4 | 2,853.9 |
| 2021 Qtr 4 | 285.9 | 287.7 | -1.8 | 2,852.0 |
| 2022 Qtr 1 | 287.4 | 306.2 | -18.8 | 2,833.2 |
| 2022 Qtr 2 | 352.0 | 314.4 | 37.6 | 2,870.9 |
| 2022 Qtr 3 | 277.9 | 310.4 | -32.5 | 2,838.3 |
| 2022 Qtr 4 | 304.5 | 313.0 | -8.4 | 2,829.9 |
| 2023 Qtr 1 | 325.8 | 342.2 | -16.4 | 2,813.5 |
| 2023 Qtr 2 | 407.8 | 351.8 | 56.0 | 2,869.5 |
| 2023 Qtr 3 | 294.9 | 347.6 | -52.8 | 2,816.7 |
| 2023 Qtr 4 | 322.3 | 350.5 | -28.2 | 2,788.5 |
| 2024 Qtr 1 | 343.3 | 364.3 | -21.0 | 2,767.5 |
| 2024 Qtr 2 | 423.3 | 374.6 | 48.7 | 2,816.2 |
| 2024 Qtr 3 | 315.5 | 371.5 | -56.0 | 2,760.2 |
| aIncrease in asset reserves of less than $0.05 billion. | ||||