{
 "metadata": {
  "what": "Social Security cost-of-living adjustment, percent, by the year SSA labels it.",
  "source": "Social Security Administration, Office of the Chief Actuary — Cost-Of-Living Adjustments",
  "landing_page": "https://www.ssa.gov/oact/COLA/colaseries.html",
  "generated_by": "Data/fetch_ssa_cola.py",
  "generated_utc": "2026-09-25T01:06:36Z",
  "route": "archive",
  "route_note": "www.ssa.gov refuses scripted requests, so this was read from Data/ssa_cola/colaseries_archive.csv, a row-for-row browser copy of the same page; see _PROVENANCE.txt beside it.",
  "effective_note": "Since 1983 the COLA labeled year Y is effective with benefits payable for December of Y, received in January of Y+1. The 1975-82 COLAs were effective for June of Y.",
  "index_note": "Set from the CPI-W, third quarter to third quarter (since 1983), not from the CPI-U the site uses to deflate.",
  "footnotes": {
   "1999": "Originally determined as 2.4 percent; effectively 2.5 percent under Public Law 106-554 (SSA's own note)."
  },
  "first_year": 1975,
  "last_year": 2025
 },
 "years": [
  1975,
  1976,
  1977,
  1978,
  1979,
  1980,
  1981,
  1982,
  1983,
  1984,
  1985,
  1986,
  1987,
  1988,
  1989,
  1990,
  1991,
  1992,
  1993,
  1994,
  1995,
  1996,
  1997,
  1998,
  1999,
  2000,
  2001,
  2002,
  2003,
  2004,
  2005,
  2006,
  2007,
  2008,
  2009,
  2010,
  2011,
  2012,
  2013,
  2014,
  2015,
  2016,
  2017,
  2018,
  2019,
  2020,
  2021,
  2022,
  2023,
  2024,
  2025
 ],
 "cola_percent": {
  "1975": 8.0,
  "1976": 6.4,
  "1977": 5.9,
  "1978": 6.5,
  "1979": 9.9,
  "1980": 14.3,
  "1981": 11.2,
  "1982": 7.4,
  "1983": 3.5,
  "1984": 3.5,
  "1985": 3.1,
  "1986": 1.3,
  "1987": 4.2,
  "1988": 4.0,
  "1989": 4.7,
  "1990": 5.4,
  "1991": 3.7,
  "1992": 3.0,
  "1993": 2.6,
  "1994": 2.8,
  "1995": 2.6,
  "1996": 2.9,
  "1997": 2.1,
  "1998": 1.3,
  "1999": 2.5,
  "2000": 3.5,
  "2001": 2.6,
  "2002": 1.4,
  "2003": 2.1,
  "2004": 2.7,
  "2005": 4.1,
  "2006": 3.3,
  "2007": 2.3,
  "2008": 5.8,
  "2009": 0.0,
  "2010": 0.0,
  "2011": 3.6,
  "2012": 1.7,
  "2013": 1.5,
  "2014": 1.7,
  "2015": 0.0,
  "2016": 0.3,
  "2017": 2.0,
  "2018": 2.8,
  "2019": 1.6,
  "2020": 1.3,
  "2021": 5.9,
  "2022": 8.7,
  "2023": 3.2,
  "2024": 2.5,
  "2025": 2.8
 }
}