According to the U.S. Bureau of Labor Statistics, prices in Chicago, Illinois are 2,928.52% higher in 2026 versus 1915 (a $380,414,419,467.55 difference in value).
Between 1915 and 2026:Chicago experienced an average inflation rate of 3.12% per year. This rate of change indicates significant inflation. In other words, $12,990,000,000 in Chicago in the year 1915 would cost $393,404,419,467.55 in 2026 for an equivalent purchase. Compared to the overall inflation rate of 3.18% during this same period, inflation in Chicago was lower.
In the year 1915: Pricing changed by 0.17%, which is below the average yearly change in Chicago during the 1915-2026 time period. Compared to inflation for all items in 1915 (0.92%), inflation in Chicago was lower.
Below are calculations of equivalent buying power in Chicago, over time, for $12,990,000,000 beginning in 1915. Each of the amounts below is equivalent in terms of what it could buy at the time:
| Year | USD Value | Inflation Rate |
|---|---|---|
| 1915 | $12,990,000,000.00 | 0.17% |
| 1916 | $13,379,051,580.70 | 3.00% |
| 1917 | $15,248,660,565.72 | 13.97% |
| 1918 | $17,809,916,805.32 | 16.80% |
| 1919 | $21,613,976,705.49 | 21.36% |
| 1920 | $25,742,246,256.24 | 19.10% |
| 1921 | $23,570,041,597.34 | -8.44% |
| 1922 | $22,262,396,006.66 | -5.55% |
| 1923 | $22,532,570,715.47 | 1.21% |
| 1924 | $22,975,657,237.94 | 1.97% |
| 1925 | $23,483,585,690.52 | 2.21% |
| 1926 | $23,894,251,247.92 | 1.75% |
| 1927 | $23,678,111,480.87 | -0.90% |
| 1928 | $22,943,236,272.88 | -3.10% |
| 1929 | $22,889,201,331.11 | -0.24% |
| 1930 | $22,640,640,599.00 | -1.09% |
| 1931 | $20,695,382,695.51 | -8.59% |
| 1932 | $18,263,810,316.14 | -11.75% |
| 1933 | $16,383,394,342.76 | -10.30% |
| 1934 | $16,491,464,226.29 | 0.66% |
| 1935 | $17,204,725,457.57 | 4.33% |
| 1936 | $17,550,549,084.86 | 2.01% |
| 1937 | $18,274,617,304.49 | 4.13% |
| 1938 | $18,144,933,444.26 | -0.71% |
| 1939 | $17,788,302,828.62 | -1.97% |
| 1940 | $17,885,565,723.79 | 0.55% |
| 1941 | $18,825,773,710.48 | 5.26% |
| 1942 | $20,695,382,695.51 | 9.93% |
| 1943 | $21,851,730,449.25 | 5.59% |
| 1944 | $22,186,747,088.19 | 1.53% |
| 1945 | $22,662,254,575.71 | 2.14% |
| 1946 | $24,683,161,397.67 | 8.92% |
| 1947 | $28,670,940,099.83 | 16.16% |
| 1948 | $31,167,354,409.32 | 8.71% |
| 1949 | $31,134,933,444.26 | -0.10% |
| 1950 | $31,448,336,106.49 | 1.01% |
| 1951 | $33,923,136,439.27 | 7.87% |
| 1952 | $34,658,011,647.25 | 2.17% |
| 1953 | $34,960,607,321.13 | 0.87% |
| 1954 | $35,479,342,762.06 | 1.48% |
| 1955 | $35,717,096,505.82 | 0.67% |
| 1956 | $36,214,217,970.05 | 1.39% |
| 1957 | $37,392,179,700.50 | 3.25% |
| 1958 | $38,526,913,477.54 | 3.03% |
| 1959 | $38,840,316,139.77 | 0.81% |
| 1960 | $39,380,665,557.40 | 1.39% |
| 1961 | $39,575,191,347.75 | 0.49% |
| 1962 | $39,985,856,905.16 | 1.04% |
| 1963 | $40,385,715,474.21 | 1.00% |
| 1964 | $40,547,820,299.50 | 0.40% |
| 1965 | $41,088,169,717.14 | 1.33% |
| 1966 | $42,320,166,389.35 | 3.00% |
| 1967 | $43,422,479,201.33 | 2.60% |
| 1968 | $45,259,667,221.30 | 4.23% |
| 1969 | $47,734,467,554.08 | 5.47% |
| 1970 | $50,468,635,607.32 | 5.73% |
| 1971 | $52,457,121,464.23 | 3.94% |
| 1972 | $53,948,485,856.91 | 2.84% |
| 1973 | $57,331,073,211.31 | 6.27% |
| 1974 | $63,393,793,677.20 | 10.57% |
| 1975 | $68,397,429,284.53 | 7.89% |
| 1976 | $71,671,946,755.41 | 4.79% |
| 1977 | $76,178,460,898.50 | 6.29% |
| 1978 | $82,803,144,758.74 | 8.70% |
| 1979 | $93,134,625,623.96 | 12.48% |
| 1980 | $106,567,712,146.42 | 14.42% |
| 1981 | $116,769,509,151.41 | 9.57% |
| 1982 | $124,734,259,567.39 | 6.82% |
| 1983 | $129,705,474,209.65 | 3.99% |
| 1984 | $134,601,039,933.44 | 3.77% |
| 1985 | $139,680,324,459.23 | 3.77% |
| 1986 | $142,598,211,314.48 | 2.09% |
| 1987 | $148,477,212,978.37 | 4.12% |
| 1988 | $154,280,565,723.79 | 3.91% |
| 1989 | $162,083,211,314.48 | 5.06% |
| 1990 | $170,793,643,926.79 | 5.37% |
| 1991 | $177,720,923,460.90 | 4.06% |
| 1992 | $182,929,891,846.92 | 2.93% |
| 1993 | $188,571,139,767.05 | 3.08% |
| 1994 | $192,699,409,317.80 | 2.19% |
| 1995 | $198,826,971,713.81 | 3.18% |
| 1996 | $204,144,009,983.36 | 2.67% |
| 1997 | $209,731,222,961.73 | 2.74% |
| 1998 | $213,956,755,407.65 | 2.01% |
| 1999 | $218,387,620,632.28 | 2.07% |
| 2000 | $225,401,356,073.21 | 3.21% |
| 2001 | $231,269,550,748.75 | 2.60% |
| 2002 | $234,954,733,777.04 | 1.59% |
| 2003 | $239,277,529,118.14 | 1.84% |
| 2004 | $244,626,988,352.75 | 2.24% |
| 2005 | $252,029,775,374.38 | 3.03% |
| 2006 | $257,195,515,806.99 | 2.05% |
| 2007 | $265,615,348,502.50 | 3.27% |
| 2008 | $275,624,348,835.27 | 3.77% |
| 2009 | $272,329,730,366.06 | -1.20% |
| 2010 | $276,058,573,627.29 | 1.37% |
| 2011 | $283,598,069,051.58 | 2.73% |
| 2012 | $287,904,329,700.50 | 1.52% |
| 2013 | $291,198,840,099.83 | 1.14% |
| 2014 | $296,285,797,587.35 | 1.75% |
| 2015 | $295,409,891,181.36 | -0.30% |
| 2016 | $297,367,360,981.70 | 0.66% |
| 2017 | $302,956,195,008.32 | 1.88% |
| 2018 | $308,266,641,014.98 | 1.75% |
| 2019 | $312,772,398,668.89 | 1.46% |
| 2020 | $316,263,596,256.24 | 1.12% |
| 2021 | $329,603,310,399.33 | 4.22% |
| 2022 | $354,498,721,048.25 | 7.55% |
| 2023 | $366,291,414,808.65 | 3.33% |
| 2024 | $378,968,660,565.72 | 3.46% |
| 2025 | $390,999,540,349.42 | 3.17% |
| 2026 | $393,404,419,467.55 | 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 |