According to the U.S. Bureau of Labor Statistics, prices in Boston, Massachusetts are 2,319.38% higher in 2025 versus 1940 (a $304,236,434,591.59 difference in value).
Between 1940 and 2025: Boston experienced an average inflation rate of 3.82% per year. This rate of change indicates significant inflation. In other words, $13,117,141,838 in Boston in the year 1940 would cost $317,353,576,429.59 in 2025 for an equivalent purchase. Compared to the overall inflation rate of 3.75% during this same period, inflation in Boston was higher.
In the year 1940: Pricing changed by 0.94%, which is below the average yearly change in Boston during the 1940-2025 time period. Compared to inflation for all items in 1940 (0.72%), inflation in Boston was higher.
Below are calculations of equivalent buying power in Boston, over time, for $13,117,141,838 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 | $13,117,141,838.00 | 0.94% |
| 1941 | $13,699,104,931.81 | 4.44% |
| 1942 | $15,161,670,075.45 | 10.68% |
| 1943 | $15,958,040,624.86 | 5.25% |
| 1944 | $16,134,161,034.83 | 1.10% |
| 1945 | $16,463,429,627.38 | 2.04% |
| 1946 | $17,811,133,634.09 | 8.19% |
| 1947 | $20,276,819,373.63 | 13.84% |
| 1948 | $21,946,134,563.75 | 8.23% |
| 1949 | $21,678,125,244.24 | -1.22% |
| 1950 | $21,961,449,382.01 | 1.31% |
| 1951 | $23,431,671,934.78 | 6.69% |
| 1952 | $23,944,718,346.42 | 2.19% |
| 1953 | $24,005,977,619.46 | 0.26% |
| 1954 | $24,097,866,529.01 | 0.38% |
| 1955 | $24,212,727,665.94 | 0.48% |
| 1956 | $24,878,922,260.16 | 2.75% |
| 1957 | $25,751,866,900.87 | 3.51% |
| 1958 | $26,578,867,086.81 | 3.21% |
| 1959 | $26,785,617,133.29 | 0.78% |
| 1960 | $27,291,006,135.80 | 1.89% |
| 1961 | $27,704,506,228.77 | 1.52% |
| 1962 | $28,301,784,140.83 | 2.16% |
| 1963 | $28,876,089,825.51 | 2.03% |
| 1964 | $29,266,617,691.09 | 1.35% |
| 1965 | $29,817,951,148.38 | 1.88% |
| 1966 | $30,736,840,243.86 | 3.08% |
| 1967 | $31,540,868,202.41 | 2.62% |
| 1968 | $32,781,368,481.31 | 3.93% |
| 1969 | $34,596,174,444.88 | 5.54% |
| 1970 | $36,709,619,364.49 | 6.11% |
| 1971 | $38,662,258,692.39 | 5.32% |
| 1972 | $40,040,592,335.61 | 3.57% |
| 1973 | $42,268,898,392.15 | 5.57% |
| 1974 | $46,633,621,595.69 | 10.33% |
| 1975 | $50,837,539,207.52 | 9.01% |
| 1976 | $54,972,540,137.19 | 8.13% |
| 1977 | $57,775,151,878.41 | 5.10% |
| 1978 | $60,861,087,757.40 | 5.34% |
| 1979 | $66,987,015,060.61 | 10.07% |
| 1980 | $75,486,739,193.81 | 12.69% |
| 1981 | $84,063,037,418.31 | 11.36% |
| 1982 | $87,662,019,708.95 | 4.28% |
| 1983 | $91,536,668,728.23 | 4.42% |
| 1984 | $96,039,225,296.09 | 4.92% |
| 1985 | $100,296,744,771.82 | 4.43% |
| 1986 | $103,038,097,240.00 | 2.73% |
| 1987 | $107,433,450,080.06 | 4.27% |
| 1988 | $113,743,155,202.37 | 5.87% |
| 1989 | $120,374,471,508.09 | 5.83% |
| 1990 | $127,342,713,815.49 | 5.79% |
| 1991 | $133,116,400,298.77 | 4.53% |
| 1992 | $136,363,141,769.47 | 2.44% |
| 1993 | $140,421,568,607.85 | 2.98% |
| 1994 | $142,198,087,525.78 | 1.27% |
| 1995 | $145,613,291,997.32 | 2.40% |
| 1996 | $149,870,811,473.05 | 2.92% |
| 1997 | $154,189,590,221.81 | 2.88% |
| 1998 | $157,666,053,966.39 | 2.25% |
| 1999 | $161,479,443,712.64 | 2.42% |
| 2000 | $168,401,741,565.26 | 4.29% |
| 2001 | $175,860,058,056.92 | 4.43% |
| 2002 | $180,347,299,806.52 | 2.55% |
| 2003 | $187,024,560,567.02 | 3.70% |
| 2004 | $192,384,746,957.33 | 2.87% |
| 2005 | $198,480,044,624.03 | 3.17% |
| 2006 | $204,820,379,382.85 | 3.19% |
| 2007 | $208,675,731,731.13 | 1.88% |
| 2008 | $216,327,780,673.75 | 3.67% |
| 2009 | $214,569,026,945.00 | -0.81% |
| 2010 | $218,089,750,514.34 | 1.64% |
| 2011 | $223,867,571,998.54 | 2.65% |
| 2012 | $227,483,553,737.44 | 1.62% |
| 2013 | $230,647,748,337.74 | 1.39% |
| 2014 | $234,431,580,484.75 | 1.64% |
| 2015 | $235,918,189,893.05 | 0.63% |
| 2016 | $239,170,291,550.14 | 1.38% |
| 2017 | $245,270,796,255.05 | 2.55% |
| 2018 | $253,182,278,218.96 | 3.23% |
| 2019 | $258,265,725,843.35 | 2.01% |
| 2020 | $261,046,131,098.09 | 1.08% |
| 2021 | $269,118,112,357.35 | 3.09% |
| 2022 | $288,510,654,124.76 | 7.21% |
| 2023 | $299,298,871,550.26 | 3.74% |
| 2024 | $308,876,912,037.01 | 3.20% |
| 2025 | $317,353,576,429.59 | 2.74%* |
* 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 Boston, Massachusetts:
| 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 |
| CPI | 10.500 | 10.517 | 10.817 | 12.275 | 14.458 | 17.533 | 20.558 | 18.717 | 17.058 | 17.317 | 17.433 | 17.625 | 18.275 | 18.083 | 17.733 | 17.650 | 17.525 | 16.167 | 14.575 | 13.608 | 14.033 | 14.325 | 14.408 | 14.733 | 14.358 | 14.142 | 14.275 | 14.908 | 16.500 | 17.367 | 17.558 | 17.917 | 19.383 | 22.067 | 23.883 | 23.592 | 23.900 | 25.500 | 26.058 | 26.125 | 26.225 | 26.350 | 27.075 | 28.025 | 28.925 | 29.150 | 29.700 | 30.150 | 30.800 | 31.425 | 31.850 | 32.450 | 33.450 | 34.325 | 35.675 | 37.650 | 39.950 | 42.075 | 43.575 | 46.000 | 50.750 | 55.325 | 59.825 | 62.875 | 66.233 | 72.900 | 82.150 | 91.483 | 95.400 | 99.617 | 104.517 | 109.150 | 112.133 | 116.917 | 123.783 | 131.000 | 138.583 | 144.867 | 148.400 | 152.817 | 154.750 | 158.467 | 163.100 | 167.800 | 171.583 | 175.733 | 183.267 | 191.383 | 196.267 | 203.533 | 209.367 | 216.000 | 222.900 | 227.096 | 235.423 | 233.509 | 237.341 | 243.629 | 247.564 | 251.007 | 255.125 | 256.743 | 260.282 | 266.921 | 275.531 | 281.063 | 284.089 | 292.873 | 313.978 | 325.718 | 336.142 | 345.367 |