{
  "dataset": "cpi",
  "title": "US CPI-U annual averages, 1913 to present",
  "description": "The Consumer Price Index for All Urban Consumers, US city average, all items, not seasonally adjusted — the series the inflation tool on this site uses to express an old card price in current money.",
  "source": "https://sportscardradar.com",
  "documentation": "https://sportscardradar.com/api/",
  "publisher": "Vast Flow, LLP",
  "licence": {
    "name": "CC BY 4.0",
    "url": "https://creativecommons.org/licenses/by/4.0/",
    "attribution": "Sports Card Radar (https://sportscardradar.com)",
    "note": "Reuse any of this, including commercially, with a link back to the page or endpoint it came from."
  },
  "as_of": "2026-09-11",
  "caveats": [
    "This is a republication. The series belongs to the U.S. Bureau of Labor Statistics; the authoritative copy is at the source URL and this one is refreshed from the BLS public API.",
    "Annual averages only (BLS period M13). Monthly figures are at the source.",
    "CPI measures a consumer basket, not collectibles. It answers “what is this money worth now”, never “what should this card cost now”."
  ],
  "series_id": "CUUR0000SA0",
  "series_name": "CPI for All Urban Consumers (CPI-U), U.S. city average, all items, not seasonally adjusted",
  "base": "1982-84 = 100",
  "upstream_publisher": "U.S. Bureau of Labor Statistics",
  "upstream_url": "https://data.bls.gov/timeseries/CUUR0000SA0",
  "retrieved": "2026-09-11",
  "first_year": 1913,
  "last_year": 2025,
  "count": 113,
  "annual": {
    "1913": 9.9,
    "1914": 10,
    "1915": 10.1,
    "1916": 10.9,
    "1917": 12.8,
    "1918": 15.1,
    "1919": 17.3,
    "1920": 20,
    "1921": 17.9,
    "1922": 16.8,
    "1923": 17.1,
    "1924": 17.1,
    "1925": 17.5,
    "1926": 17.7,
    "1927": 17.4,
    "1928": 17.1,
    "1929": 17.1,
    "1930": 16.7,
    "1931": 15.2,
    "1932": 13.7,
    "1933": 13,
    "1934": 13.4,
    "1935": 13.7,
    "1936": 13.9,
    "1937": 14.4,
    "1938": 14.1,
    "1939": 13.9,
    "1940": 14,
    "1941": 14.7,
    "1942": 16.3,
    "1943": 17.3,
    "1944": 17.6,
    "1945": 18,
    "1946": 19.5,
    "1947": 22.3,
    "1948": 24.1,
    "1949": 23.8,
    "1950": 24.1,
    "1951": 26,
    "1952": 26.5,
    "1953": 26.7,
    "1954": 26.9,
    "1955": 26.8,
    "1956": 27.2,
    "1957": 28.1,
    "1958": 28.9,
    "1959": 29.1,
    "1960": 29.6,
    "1961": 29.9,
    "1962": 30.2,
    "1963": 30.6,
    "1964": 31,
    "1965": 31.5,
    "1966": 32.4,
    "1967": 33.4,
    "1968": 34.8,
    "1969": 36.7,
    "1970": 38.8,
    "1971": 40.5,
    "1972": 41.8,
    "1973": 44.4,
    "1974": 49.3,
    "1975": 53.8,
    "1976": 56.9,
    "1977": 60.6,
    "1978": 65.2,
    "1979": 72.6,
    "1980": 82.4,
    "1981": 90.9,
    "1982": 96.5,
    "1983": 99.6,
    "1984": 103.9,
    "1985": 107.6,
    "1986": 109.6,
    "1987": 113.6,
    "1988": 118.3,
    "1989": 124,
    "1990": 130.7,
    "1991": 136.2,
    "1992": 140.3,
    "1993": 144.5,
    "1994": 148.2,
    "1995": 152.4,
    "1996": 156.9,
    "1997": 160.5,
    "1998": 163,
    "1999": 166.6,
    "2000": 172.2,
    "2001": 177.1,
    "2002": 179.9,
    "2003": 184,
    "2004": 188.9,
    "2005": 195.3,
    "2006": 201.6,
    "2007": 207.342,
    "2008": 215.303,
    "2009": 214.537,
    "2010": 218.056,
    "2011": 224.939,
    "2012": 229.594,
    "2013": 232.957,
    "2014": 236.736,
    "2015": 237.017,
    "2016": 240.007,
    "2017": 245.12,
    "2018": 251.107,
    "2019": 255.657,
    "2020": 258.811,
    "2021": 270.97,
    "2022": 292.655,
    "2023": 304.702,
    "2024": 313.689,
    "2025": 321.943
  }
}