According to the U.S. Bureau of Labor Statistics, prices in Chicago, Illinois are 2,479.93% higher in 2026 versus 1917 (a $2,975,913,253,012,048.50 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, $120,000,000,000,000 in Chicago in the year 1917 would cost $3,095,913,253,012,048.50 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 $120,000,000,000,000 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 | $120,000,000,000,000.00 | 13.97% |
| 1918 | $140,155,917,788,802.28 | 16.80% |
| 1919 | $170,092,133,238,837.72 | 21.36% |
| 1920 | $202,579,730,687,455.69 | 19.10% |
| 1921 | $185,485,471,296,952.53 | -8.44% |
| 1922 | $175,194,897,236,002.88 | -5.55% |
| 1923 | $177,321,048,901,488.31 | 1.21% |
| 1924 | $180,807,937,632,884.47 | 1.97% |
| 1925 | $184,805,102,763,997.16 | 2.21% |
| 1926 | $188,036,853,295,535.13 | 1.75% |
| 1927 | $186,335,931,963,146.72 | -0.90% |
| 1928 | $180,552,799,433,026.25 | -3.10% |
| 1929 | $180,127,569,099,929.16 | -0.24% |
| 1930 | $178,171,509,567,682.47 | -1.09% |
| 1931 | $162,863,217,576,187.09 | -8.59% |
| 1932 | $143,727,852,586,817.88 | -11.75% |
| 1933 | $128,929,836,995,038.98 | -10.30% |
| 1934 | $129,780,297,661,233.16 | 0.66% |
| 1935 | $135,393,338,058,114.80 | 4.33% |
| 1936 | $138,114,812,189,936.22 | 2.01% |
| 1937 | $143,812,898,653,437.28 | 4.13% |
| 1938 | $142,792,345,854,004.25 | -0.71% |
| 1939 | $139,985,825,655,563.44 | -1.97% |
| 1940 | $140,751,240,255,138.22 | 0.55% |
| 1941 | $148,150,248,051,027.66 | 5.26% |
| 1942 | $162,863,217,576,187.09 | 9.93% |
| 1943 | $171,963,146,704,464.91 | 5.59% |
| 1944 | $174,599,574,769,666.91 | 1.53% |
| 1945 | $178,341,601,700,921.38 | 2.14% |
| 1946 | $194,245,216,158,752.63 | 8.92% |
| 1947 | $225,627,214,741,318.25 | 16.16% |
| 1948 | $245,272,856,130,403.97 | 8.71% |
| 1949 | $245,017,717,930,545.75 | -0.10% |
| 1950 | $247,484,053,862,508.88 | 1.01% |
| 1951 | $266,959,603,118,355.75 | 7.87% |
| 1952 | $272,742,735,648,476.25 | 2.17% |
| 1953 | $275,124,025,513,820.00 | 0.87% |
| 1954 | $279,206,236,711,552.09 | 1.48% |
| 1955 | $281,077,250,177,179.28 | 0.67% |
| 1956 | $284,989,369,241,672.56 | 1.39% |
| 1957 | $294,259,390,503,189.25 | 3.25% |
| 1958 | $303,189,227,498,228.25 | 3.03% |
| 1959 | $305,655,563,430,191.38 | 0.81% |
| 1960 | $309,907,866,761,162.25 | 1.39% |
| 1961 | $311,438,695,960,311.94 | 0.49% |
| 1962 | $314,670,446,491,849.75 | 1.04% |
| 1963 | $317,817,150,956,768.25 | 1.00% |
| 1964 | $319,092,841,956,059.56 | 0.40% |
| 1965 | $323,345,145,287,030.50 | 1.33% |
| 1966 | $333,040,396,881,644.25 | 3.00% |
| 1967 | $341,715,095,676,824.94 | 2.60% |
| 1968 | $356,172,927,002,126.19 | 4.23% |
| 1969 | $375,648,476,257,973.06 | 5.47% |
| 1970 | $397,165,131,112,686.06 | 5.73% |
| 1971 | $412,813,607,370,659.06 | 3.94% |
| 1972 | $424,549,964,564,138.94 | 2.84% |
| 1973 | $451,169,383,416,016.94 | 6.27% |
| 1974 | $498,880,226,789,511.06 | 10.57% |
| 1975 | $538,256,555,634,301.94 | 7.89% |
| 1976 | $564,025,513,819,985.88 | 4.79% |
| 1977 | $599,489,723,600,283.50 | 6.29% |
| 1978 | $651,622,962,437,987.25 | 8.70% |
| 1979 | $732,927,002,126,151.88 | 12.48% |
| 1980 | $838,639,262,934,089.50 | 14.42% |
| 1981 | $918,922,749,822,820.75 | 9.57% |
| 1982 | $981,601,700,921,332.50 | 6.82% |
| 1983 | $1,020,722,891,566,265.13 | 3.99% |
| 1984 | $1,059,248,759,744,861.88 | 3.77% |
| 1985 | $1,099,220,411,055,988.75 | 3.77% |
| 1986 | $1,122,182,849,043,231.88 | 2.09% |
| 1987 | $1,168,447,909,284,195.75 | 4.12% |
| 1988 | $1,214,117,647,058,823.50 | 3.91% |
| 1989 | $1,275,520,907,158,044.00 | 5.06% |
| 1990 | $1,344,068,036,853,295.75 | 5.37% |
| 1991 | $1,398,582,565,556,343.00 | 4.06% |
| 1992 | $1,439,574,769,666,903.00 | 2.93% |
| 1993 | $1,483,968,816,442,239.25 | 3.08% |
| 1994 | $1,516,456,413,890,857.50 | 2.19% |
| 1995 | $1,564,677,533,664,067.75 | 3.18% |
| 1996 | $1,606,520,198,440,822.00 | 2.67% |
| 1997 | $1,650,489,014,883,061.75 | 2.74% |
| 1998 | $1,683,742,026,931,254.50 | 2.01% |
| 1999 | $1,718,610,914,245,216.25 | 2.07% |
| 2000 | $1,773,805,811,481,219.00 | 3.21% |
| 2001 | $1,819,985,825,655,563.50 | 2.60% |
| 2002 | $1,848,986,534,372,785.00 | 1.59% |
| 2003 | $1,883,004,961,020,553.00 | 1.84% |
| 2004 | $1,925,102,763,997,165.00 | 2.24% |
| 2005 | $1,983,359,319,631,467.00 | 3.03% |
| 2006 | $2,024,011,339,475,549.75 | 2.05% |
| 2007 | $2,090,271,580,439,404.75 | 3.27% |
| 2008 | $2,169,037,845,499,645.75 | 3.77% |
| 2009 | $2,143,110,701,630,050.00 | -1.20% |
| 2010 | $2,172,454,996,456,414.00 | 1.37% |
| 2011 | $2,231,787,384,833,451.50 | 2.73% |
| 2012 | $2,265,675,690,999,291.00 | 1.52% |
| 2013 | $2,291,601,984,408,221.00 | 1.14% |
| 2014 | $2,331,634,018,426,648.00 | 1.75% |
| 2015 | $2,324,741,034,727,144.00 | -0.30% |
| 2016 | $2,340,145,428,773,919.50 | 0.66% |
| 2017 | $2,384,127,002,126,152.00 | 1.88% |
| 2018 | $2,425,917,788,802,267.50 | 1.75% |
| 2019 | $2,461,376,045,357,902.50 | 1.46% |
| 2020 | $2,488,850,177,179,305.50 | 1.12% |
| 2021 | $2,593,827,639,971,651.50 | 4.22% |
| 2022 | $2,789,743,160,878,809.50 | 7.55% |
| 2023 | $2,882,546,279,234,585.50 | 3.33% |
| 2024 | $2,982,310,418,143,160.50 | 3.46% |
| 2025 | $3,076,987,951,807,229.00 | 3.17% |
| 2026 | $3,095,913,253,012,048.50 | 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 |