According to the U.S. Bureau of Labor Statistics, prices in Chicago, Illinois are 2,088.56% higher in 2026 versus 1940 (a $2,172,103,154,078.55 difference in value).
Between 1940 and 2026: Chicago experienced an average inflation rate of 3.65% per year. This rate of change indicates significant inflation. In other words, $104,000,000,000 in Chicago in the year 1940 would cost $2,276,103,154,078.55 in 2026 for an equivalent purchase. Compared to the overall inflation rate of 3.72% during this same period, inflation in Chicago was lower.
In the year 1940: Pricing changed by 0.55%, which is significantly below the average yearly change in Chicago during the 1940-2026 time period. Compared to inflation for all items in 1940 (0.72%), inflation in Chicago was lower.
Below are calculations of equivalent buying power in Chicago, over time, for $104,000,000,000 beginning in 1940. Each of the amounts below is equivalent in terms of what it could buy at the time:
| Year | USD Value | Inflation Rate |
|---|---|---|
| 1940 | $104,000,000,000.00 | 0.55% |
| 1941 | $109,467,069,486.40 | 5.26% |
| 1942 | $120,338,368,580.06 | 9.93% |
| 1943 | $127,062,235,649.55 | 5.59% |
| 1944 | $129,010,271,903.32 | 1.53% |
| 1945 | $131,775,226,586.10 | 2.14% |
| 1946 | $143,526,283,987.92 | 8.92% |
| 1947 | $166,714,199,395.77 | 16.16% |
| 1948 | $181,230,211,480.36 | 8.71% |
| 1949 | $181,041,691,842.90 | -0.10% |
| 1950 | $182,864,048,338.37 | 1.01% |
| 1951 | $197,254,380,664.65 | 7.87% |
| 1952 | $201,527,492,447.13 | 2.17% |
| 1953 | $203,287,009,063.44 | 0.87% |
| 1954 | $206,303,323,262.84 | 1.48% |
| 1955 | $207,685,800,604.23 | 0.67% |
| 1956 | $210,576,435,045.32 | 1.39% |
| 1957 | $217,425,981,873.11 | 3.25% |
| 1958 | $224,024,169,184.29 | 3.03% |
| 1959 | $225,846,525,679.76 | 0.81% |
| 1960 | $228,988,519,637.46 | 1.39% |
| 1961 | $230,119,637,462.24 | 0.49% |
| 1962 | $232,507,552,870.09 | 1.04% |
| 1963 | $234,832,628,398.79 | 1.00% |
| 1964 | $235,775,226,586.10 | 0.40% |
| 1965 | $238,917,220,543.81 | 1.33% |
| 1966 | $246,080,966,767.37 | 3.00% |
| 1967 | $252,490,634,441.09 | 2.60% |
| 1968 | $263,173,413,897.28 | 4.23% |
| 1969 | $277,563,746,223.56 | 5.47% |
| 1970 | $293,462,235,649.55 | 5.73% |
| 1971 | $305,024,773,413.90 | 3.94% |
| 1972 | $313,696,676,737.16 | 2.84% |
| 1973 | $333,365,558,912.39 | 6.27% |
| 1974 | $368,618,731,117.82 | 10.57% |
| 1975 | $397,713,595,166.16 | 7.89% |
| 1976 | $416,754,078,549.85 | 4.79% |
| 1977 | $442,958,308,157.10 | 6.29% |
| 1978 | $481,479,154,078.55 | 8.70% |
| 1979 | $541,554,078,549.85 | 12.48% |
| 1980 | $619,664,048,338.37 | 14.42% |
| 1981 | $678,984,894,259.82 | 9.57% |
| 1982 | $725,297,885,196.37 | 6.82% |
| 1983 | $754,204,229,607.25 | 3.99% |
| 1984 | $782,670,694,864.05 | 3.77% |
| 1985 | $812,205,438,066.47 | 3.77% |
| 1986 | $829,172,205,438.07 | 2.09% |
| 1987 | $863,357,099,697.89 | 4.12% |
| 1988 | $897,102,114,803.63 | 3.91% |
| 1989 | $942,472,507,552.87 | 5.06% |
| 1990 | $993,121,450,151.06 | 5.37% |
| 1991 | $1,033,401,812,688.82 | 4.06% |
| 1992 | $1,063,690,634,441.09 | 2.93% |
| 1993 | $1,096,493,051,359.52 | 3.08% |
| 1994 | $1,120,497,885,196.37 | 2.19% |
| 1995 | $1,156,128,096,676.74 | 3.18% |
| 1996 | $1,187,045,317,220.54 | 2.67% |
| 1997 | $1,219,533,534,743.20 | 2.74% |
| 1998 | $1,244,103,927,492.45 | 2.01% |
| 1999 | $1,269,868,277,945.62 | 2.07% |
| 2000 | $1,310,651,359,516.62 | 3.21% |
| 2001 | $1,344,773,413,897.28 | 2.60% |
| 2002 | $1,366,201,812,688.82 | 1.59% |
| 2003 | $1,391,337,764,350.45 | 1.84% |
| 2004 | $1,422,443,504,531.72 | 2.24% |
| 2005 | $1,465,488,821,752.27 | 3.03% |
| 2006 | $1,495,526,283,987.92 | 2.05% |
| 2007 | $1,544,485,462,235.65 | 3.27% |
| 2008 | $1,602,685,244,712.99 | 3.77% |
| 2009 | $1,583,527,879,154.08 | -1.20% |
| 2010 | $1,605,210,151,057.40 | 1.37% |
| 2011 | $1,649,050,392,749.24 | 2.73% |
| 2012 | $1,674,090,199,395.77 | 1.52% |
| 2013 | $1,693,246,936,555.89 | 1.14% |
| 2014 | $1,722,826,296,072.51 | 1.75% |
| 2015 | $1,717,733,123,867.07 | -0.30% |
| 2016 | $1,729,115,311,178.25 | 0.66% |
| 2017 | $1,761,612,954,682.78 | 1.88% |
| 2018 | $1,792,491,842,900.30 | 1.75% |
| 2019 | $1,818,691,673,716.01 | 1.46% |
| 2020 | $1,838,992,096,676.74 | 1.12% |
| 2021 | $1,916,559,129,909.37 | 4.22% |
| 2022 | $2,061,319,589,123.87 | 7.55% |
| 2023 | $2,129,891,093,655.59 | 3.33% |
| 2024 | $2,203,606,042,296.07 | 3.46% |
| 2025 | $2,273,797,730,293.88 | 3.19% |
| 2026 | $2,276,103,154,078.55 | 0.10%* |
* Not final. See inflation summary for latest details.
** Extended periods of 0% inflation usually indicate incomplete underlying data. This can manifest as a sharp increase in inflation later on.
Raw Consumer Price Index data from U.S. Bureau of Labor Statistics for Chicago, Illinois:
| Year | 1914 | 1915 | 1916 | 1917 | 1918 | 1919 | 1920 | 1921 | 1922 | 1923 | 1924 | 1925 | 1926 | 1927 | 1928 | 1929 | 1930 | 1931 | 1932 | 1933 | 1934 | 1935 | 1936 | 1937 | 1938 | 1939 | 1940 | 1941 | 1942 | 1943 | 1944 | 1945 | 1946 | 1947 | 1948 | 1949 | 1950 | 1951 | 1952 | 1953 | 1954 | 1955 | 1956 | 1957 | 1958 | 1959 | 1960 | 1961 | 1962 | 1963 | 1964 | 1965 | 1966 | 1967 | 1968 | 1969 | 1970 | 1971 | 1972 | 1973 | 1974 | 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 | 2026 |
| CPI | 10.000 | 10.017 | 10.317 | 11.758 | 13.733 | 16.667 | 19.850 | 18.175 | 17.167 | 17.375 | 17.717 | 18.108 | 18.425 | 18.258 | 17.692 | 17.650 | 17.458 | 15.958 | 14.083 | 12.633 | 12.717 | 13.267 | 13.533 | 14.092 | 13.992 | 13.717 | 13.792 | 14.517 | 15.958 | 16.850 | 17.108 | 17.475 | 19.033 | 22.108 | 24.033 | 24.008 | 24.250 | 26.158 | 26.725 | 26.958 | 27.358 | 27.542 | 27.925 | 28.833 | 29.708 | 29.950 | 30.367 | 30.517 | 30.833 | 31.142 | 31.267 | 31.683 | 32.633 | 33.483 | 34.900 | 36.808 | 38.917 | 40.450 | 41.600 | 44.208 | 48.883 | 52.742 | 55.267 | 58.742 | 63.850 | 71.817 | 82.175 | 90.042 | 96.183 | 100.017 | 103.792 | 107.708 | 109.958 | 114.492 | 118.967 | 124.983 | 131.700 | 137.042 | 141.058 | 145.408 | 148.592 | 153.317 | 157.417 | 161.725 | 164.983 | 168.400 | 173.808 | 178.333 | 181.175 | 184.508 | 188.633 | 194.342 | 198.325 | 204.818 | 212.536 | 209.995 | 212.870 | 218.684 | 222.005 | 224.545 | 228.468 | 227.792 | 229.302 | 233.611 | 237.706 | 241.181 | 243.873 | 254.159 | 273.356 | 282.450 | 292.225 | 301.533 | 301.839 |