According to the U.S. Bureau of Labor Statistics, prices in Chicago, Illinois are 2,479.93% higher in 2026 versus 1917 (a $19,765,023,855.42 difference in value).
Between 1917 and 2026:Chicago experienced an average inflation rate of 3.03% per year. This rate of change indicates significant inflation. In other words, $797,000,000 in Chicago in the year 1917 would cost $20,562,023,855.42 in 2026 for an equivalent purchase. Compared to the overall inflation rate of 3.01% during this same period, inflation in Chicago was higher.
In the year 1917: Pricing changed by 13.97%, which is significantly above the average yearly change in Chicago during the 1917-2026 time period. Compared to inflation for all items in 1917 (17.84%), inflation in Chicago was much lower.
Below are calculations of equivalent buying power in Chicago, over time, for $797,000,000 beginning in 1917. Each of the amounts below is equivalent in terms of what it could buy at the time:
| Year | USD Value | Inflation Rate |
|---|---|---|
| 1917 | $797,000,000.00 | 13.97% |
| 1918 | $930,868,887.31 | 16.80% |
| 1919 | $1,129,695,251.59 | 21.36% |
| 1920 | $1,345,467,044.65 | 19.10% |
| 1921 | $1,231,932,671.86 | -8.44% |
| 1922 | $1,163,586,109.14 | -5.55% |
| 1923 | $1,177,707,299.79 | 1.21% |
| 1924 | $1,200,866,052.45 | 1.97% |
| 1925 | $1,227,413,890.86 | 2.21% |
| 1926 | $1,248,878,100.64 | 1.75% |
| 1927 | $1,237,581,148.12 | -0.90% |
| 1928 | $1,199,171,509.57 | -3.10% |
| 1929 | $1,196,347,271.44 | -0.24% |
| 1930 | $1,183,355,776.05 | -1.09% |
| 1931 | $1,081,683,203.40 | -8.59% |
| 1932 | $954,592,487.60 | -11.75% |
| 1933 | $856,309,000.71 | -10.30% |
| 1934 | $861,957,476.97 | 0.66% |
| 1935 | $899,237,420.27 | 4.33% |
| 1936 | $917,312,544.29 | 2.01% |
| 1937 | $955,157,335.22 | 4.13% |
| 1938 | $948,379,163.71 | -0.71% |
| 1939 | $929,739,192.06 | -1.97% |
| 1940 | $934,822,820.69 | 0.55% |
| 1941 | $983,964,564.14 | 5.26% |
| 1942 | $1,081,683,203.40 | 9.93% |
| 1943 | $1,142,121,899.36 | 5.59% |
| 1944 | $1,159,632,175.76 | 1.53% |
| 1945 | $1,184,485,471.30 | 2.14% |
| 1946 | $1,290,111,977.32 | 8.92% |
| 1947 | $1,498,540,751.24 | 16.16% |
| 1948 | $1,629,020,552.80 | 8.71% |
| 1949 | $1,627,326,009.92 | -0.10% |
| 1950 | $1,643,706,591.07 | 1.01% |
| 1951 | $1,773,056,697.38 | 7.87% |
| 1952 | $1,811,466,335.93 | 2.17% |
| 1953 | $1,827,282,069.45 | 0.87% |
| 1954 | $1,854,394,755.49 | 1.48% |
| 1955 | $1,866,821,403.26 | 0.67% |
| 1956 | $1,892,804,394.05 | 1.39% |
| 1957 | $1,954,372,785.26 | 3.25% |
| 1958 | $2,013,681,785.97 | 3.03% |
| 1959 | $2,030,062,367.12 | 0.81% |
| 1960 | $2,058,304,748.41 | 1.39% |
| 1961 | $2,068,472,005.67 | 0.49% |
| 1962 | $2,089,936,215.45 | 1.04% |
| 1963 | $2,110,835,577.60 | 1.00% |
| 1964 | $2,119,308,291.99 | 0.40% |
| 1965 | $2,147,550,673.28 | 1.33% |
| 1966 | $2,211,943,302.62 | 3.00% |
| 1967 | $2,269,557,760.45 | 2.60% |
| 1968 | $2,365,581,856.84 | 4.23% |
| 1969 | $2,494,931,963.15 | 5.47% |
| 1970 | $2,637,838,412.47 | 5.73% |
| 1971 | $2,741,770,375.62 | 3.94% |
| 1972 | $2,819,719,347.98 | 2.84% |
| 1973 | $2,996,516,654.85 | 6.27% |
| 1974 | $3,313,396,172.93 | 10.57% |
| 1975 | $3,574,920,623.67 | 7.89% |
| 1976 | $3,746,069,454.29 | 4.79% |
| 1977 | $3,981,610,914.25 | 6.29% |
| 1978 | $4,327,862,508.86 | 8.70% |
| 1979 | $4,867,856,839.12 | 12.48% |
| 1980 | $5,569,962,437.99 | 14.42% |
| 1981 | $6,103,178,596.74 | 9.57% |
| 1982 | $6,519,471,296.95 | 6.82% |
| 1983 | $6,779,301,204.82 | 3.99% |
| 1984 | $7,035,177,179.31 | 3.77% |
| 1985 | $7,300,655,563.43 | 3.77% |
| 1986 | $7,453,164,422.40 | 2.09% |
| 1987 | $7,760,441,530.83 | 4.12% |
| 1988 | $8,063,764,705.88 | 3.91% |
| 1989 | $8,471,584,691.71 | 5.06% |
| 1990 | $8,926,851,878.10 | 5.37% |
| 1991 | $9,288,919,206.24 | 4.06% |
| 1992 | $9,561,175,761.87 | 2.93% |
| 1993 | $9,856,026,222.54 | 3.08% |
| 1994 | $10,071,798,015.59 | 2.19% |
| 1995 | $10,392,066,619.42 | 3.18% |
| 1996 | $10,669,971,651.31 | 2.67% |
| 1997 | $10,961,997,873.85 | 2.74% |
| 1998 | $11,182,853,295.54 | 2.01% |
| 1999 | $11,414,440,822.11 | 2.07% |
| 2000 | $11,781,026,931.25 | 3.21% |
| 2001 | $12,087,739,192.06 | 2.60% |
| 2002 | $12,280,352,232.46 | 1.59% |
| 2003 | $12,506,291,282.78 | 1.84% |
| 2004 | $12,785,890,857.55 | 2.24% |
| 2005 | $13,172,811,481.22 | 3.03% |
| 2006 | $13,442,808,646.35 | 2.05% |
| 2007 | $13,882,887,080.09 | 3.27% |
| 2008 | $14,406,026,357.19 | 3.77% |
| 2009 | $14,233,826,909.99 | -1.20% |
| 2010 | $14,428,721,934.80 | 1.37% |
| 2011 | $14,822,787,880.94 | 2.73% |
| 2012 | $15,047,862,714.39 | 1.52% |
| 2013 | $15,220,056,513.11 | 1.14% |
| 2014 | $15,485,935,939.05 | 1.75% |
| 2015 | $15,440,155,038.98 | -0.30% |
| 2016 | $15,542,465,889.44 | 0.66% |
| 2017 | $15,834,576,839.12 | 1.88% |
| 2018 | $16,112,137,313.96 | 1.75% |
| 2019 | $16,347,639,234.59 | 1.46% |
| 2020 | $16,530,113,260.10 | 1.12% |
| 2021 | $17,227,338,575.48 | 4.22% |
| 2022 | $18,528,544,160.17 | 7.55% |
| 2023 | $19,144,911,537.92 | 3.33% |
| 2024 | $19,807,511,693.83 | 3.46% |
| 2025 | $20,436,328,313.25 | 3.17% |
| 2026 | $20,562,023,855.42 | 0.62%* |
* 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 | 301.502 | 303.356 |