According to the U.S. Bureau of Labor Statistics, prices in Chicago, Illinois are 2,928.52% higher in 2026 versus 1915 (a $131,490,434,442.60 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, $4,490,000,000 in Chicago in the year 1915 would cost $135,980,434,442.60 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 $4,490,000,000 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 | $4,490,000,000.00 | 0.17% |
| 1916 | $4,624,475,873.54 | 3.00% |
| 1917 | $5,270,707,154.74 | 13.97% |
| 1918 | $6,156,006,655.57 | 16.80% |
| 1919 | $7,470,881,863.56 | 21.36% |
| 1920 | $8,897,820,299.50 | 19.10% |
| 1921 | $8,146,996,672.21 | -8.44% |
| 1922 | $7,695,008,319.47 | -5.55% |
| 1923 | $7,788,394,342.76 | 1.21% |
| 1924 | $7,941,547,420.97 | 1.97% |
| 1925 | $8,117,113,144.76 | 2.21% |
| 1926 | $8,259,059,900.17 | 1.75% |
| 1927 | $8,184,351,081.53 | -0.90% |
| 1928 | $7,930,341,098.17 | -3.10% |
| 1929 | $7,911,663,893.51 | -0.24% |
| 1930 | $7,825,748,752.08 | -1.09% |
| 1931 | $7,153,369,384.36 | -8.59% |
| 1932 | $6,312,895,174.71 | -11.75% |
| 1933 | $5,662,928,452.58 | -10.30% |
| 1934 | $5,700,282,861.90 | 0.66% |
| 1935 | $5,946,821,963.39 | 4.33% |
| 1936 | $6,066,356,073.21 | 2.01% |
| 1937 | $6,316,630,615.64 | 4.13% |
| 1938 | $6,271,805,324.46 | -0.71% |
| 1939 | $6,148,535,773.71 | -1.97% |
| 1940 | $6,182,154,742.10 | 0.55% |
| 1941 | $6,507,138,103.16 | 5.26% |
| 1942 | $7,153,369,384.36 | 9.93% |
| 1943 | $7,553,061,564.06 | 5.59% |
| 1944 | $7,668,860,232.95 | 1.53% |
| 1945 | $7,833,219,633.94 | 2.14% |
| 1946 | $8,531,747,088.19 | 8.92% |
| 1947 | $9,910,124,792.01 | 16.16% |
| 1948 | $10,773,011,647.25 | 8.71% |
| 1949 | $10,761,805,324.46 | -0.10% |
| 1950 | $10,870,133,111.48 | 1.01% |
| 1951 | $11,725,549,084.86 | 7.87% |
| 1952 | $11,979,559,068.22 | 2.17% |
| 1953 | $12,084,151,414.31 | 0.87% |
| 1954 | $12,263,452,579.03 | 1.48% |
| 1955 | $12,345,632,279.53 | 0.67% |
| 1956 | $12,517,462,562.40 | 1.39% |
| 1957 | $12,924,625,623.96 | 3.25% |
| 1958 | $13,316,846,921.80 | 3.03% |
| 1959 | $13,425,174,708.82 | 0.81% |
| 1960 | $13,611,946,755.41 | 1.39% |
| 1961 | $13,679,184,692.18 | 0.49% |
| 1962 | $13,821,131,447.59 | 1.04% |
| 1963 | $13,959,342,762.06 | 1.00% |
| 1964 | $14,015,374,376.04 | 0.40% |
| 1965 | $14,202,146,422.63 | 1.33% |
| 1966 | $14,627,986,688.85 | 3.00% |
| 1967 | $15,009,001,663.89 | 2.60% |
| 1968 | $15,644,026,622.30 | 4.23% |
| 1969 | $16,499,442,595.67 | 5.47% |
| 1970 | $17,444,509,151.41 | 5.73% |
| 1971 | $18,131,830,282.86 | 3.94% |
| 1972 | $18,647,321,131.45 | 2.84% |
| 1973 | $19,816,514,143.09 | 6.27% |
| 1974 | $21,912,096,505.82 | 10.57% |
| 1975 | $23,641,605,657.24 | 7.89% |
| 1976 | $24,773,444,259.57 | 4.79% |
| 1977 | $26,331,123,128.12 | 6.29% |
| 1978 | $28,620,948,419.30 | 8.70% |
| 1979 | $32,192,029,950.08 | 12.48% |
| 1980 | $36,835,183,028.29 | 14.42% |
| 1981 | $40,361,439,267.89 | 9.57% |
| 1982 | $43,114,459,234.61 | 6.82% |
| 1983 | $44,832,762,063.23 | 3.99% |
| 1984 | $46,524,916,805.32 | 3.77% |
| 1985 | $48,280,574,043.26 | 3.77% |
| 1986 | $49,289,143,094.84 | 2.09% |
| 1987 | $51,321,222,961.73 | 4.12% |
| 1988 | $53,327,154,742.10 | 3.91% |
| 1989 | $56,024,143,094.84 | 5.06% |
| 1990 | $59,034,908,485.86 | 5.37% |
| 1991 | $61,429,326,123.13 | 4.06% |
| 1992 | $63,229,808,652.25 | 2.93% |
| 1993 | $65,179,708,818.64 | 3.08% |
| 1994 | $66,606,647,254.58 | 2.19% |
| 1995 | $68,724,642,262.90 | 3.18% |
| 1996 | $70,562,479,201.33 | 2.67% |
| 1997 | $72,493,702,163.06 | 2.74% |
| 1998 | $73,954,259,567.39 | 2.01% |
| 1999 | $75,485,790,349.42 | 2.07% |
| 2000 | $77,910,091,514.14 | 3.21% |
| 2001 | $79,938,435,940.10 | 2.60% |
| 2002 | $81,212,221,297.84 | 1.59% |
| 2003 | $82,706,397,670.55 | 1.84% |
| 2004 | $84,555,440,931.78 | 2.24% |
| 2005 | $87,114,217,970.05 | 3.03% |
| 2006 | $88,899,758,735.44 | 2.05% |
| 2007 | $91,810,078,119.80 | 3.27% |
| 2008 | $95,269,694,093.18 | 3.77% |
| 2009 | $94,130,907,570.72 | -1.20% |
| 2010 | $95,419,784,109.82 | 1.37% |
| 2011 | $98,025,814,475.87 | 2.73% |
| 2012 | $99,514,275,623.96 | 1.52% |
| 2013 | $100,653,024,792.01 | 1.14% |
| 2014 | $102,411,334,193.01 | 1.75% |
| 2015 | $102,108,576,705.49 | -0.30% |
| 2016 | $102,785,177,121.46 | 0.66% |
| 2017 | $104,716,960,399.33 | 1.88% |
| 2018 | $106,552,518,718.80 | 1.75% |
| 2019 | $108,109,936,106.49 | 1.46% |
| 2020 | $109,316,670,299.50 | 1.12% |
| 2021 | $113,927,549,168.05 | 4.22% |
| 2022 | $122,532,660,316.14 | 7.55% |
| 2023 | $126,608,810,815.31 | 3.33% |
| 2024 | $130,990,707,154.74 | 3.46% |
| 2025 | $135,149,186,772.05 | 3.17% |
| 2026 | $135,980,434,442.60 | 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 |