According to the U.S. Bureau of Labor Statistics, prices in Boston, Massachusetts are 2,319.38% higher in 2025 versus 1940 (a $289,922,566,925.19 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, $12,500,000,000 in Boston in the year 1940 would cost $302,422,566,925.19 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 $12,500,000,000 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 | $12,500,000,000.00 | 0.94% |
| 1941 | $13,054,582,603.62 | 4.44% |
| 1942 | $14,448,336,252.19 | 10.68% |
| 1943 | $15,207,238,762.41 | 5.25% |
| 1944 | $15,375,072,971.40 | 1.10% |
| 1945 | $15,688,849,970.81 | 2.04% |
| 1946 | $16,973,146,526.56 | 8.19% |
| 1947 | $19,322,825,452.42 | 13.84% |
| 1948 | $20,913,601,868.07 | 8.23% |
| 1949 | $20,658,201,984.82 | -1.22% |
| 1950 | $20,928,196,147.11 | 1.31% |
| 1951 | $22,329,246,935.20 | 6.69% |
| 1952 | $22,818,155,283.13 | 2.19% |
| 1953 | $22,876,532,399.30 | 0.26% |
| 1954 | $22,964,098,073.56 | 0.38% |
| 1955 | $23,073,555,166.37 | 0.48% |
| 1956 | $23,708,406,304.73 | 2.75% |
| 1957 | $24,540,280,210.16 | 3.51% |
| 1958 | $25,328,371,278.46 | 3.21% |
| 1959 | $25,525,394,045.53 | 0.78% |
| 1960 | $26,007,005,253.94 | 1.89% |
| 1961 | $26,401,050,788.09 | 1.52% |
| 1962 | $26,970,227,670.75 | 2.16% |
| 1963 | $27,517,513,134.85 | 2.03% |
| 1964 | $27,889,667,250.44 | 1.35% |
| 1965 | $28,415,061,295.97 | 1.88% |
| 1966 | $29,290,718,038.53 | 3.08% |
| 1967 | $30,056,917,688.27 | 2.62% |
| 1968 | $31,239,054,290.72 | 3.93% |
| 1969 | $32,968,476,357.27 | 5.54% |
| 1970 | $34,982,486,865.15 | 6.11% |
| 1971 | $36,843,257,443.08 | 5.32% |
| 1972 | $38,156,742,556.92 | 3.57% |
| 1973 | $40,280,210,157.62 | 5.57% |
| 1974 | $44,439,579,684.76 | 10.33% |
| 1975 | $48,445,709,281.96 | 9.01% |
| 1976 | $52,386,164,623.47 | 8.13% |
| 1977 | $55,056,917,688.27 | 5.10% |
| 1978 | $57,997,664,915.35 | 5.34% |
| 1979 | $63,835,376,532.40 | 10.07% |
| 1980 | $71,935,201,401.05 | 12.69% |
| 1981 | $80,107,997,664.92 | 11.36% |
| 1982 | $83,537,653,239.93 | 4.28% |
| 1983 | $87,230,005,837.71 | 4.42% |
| 1984 | $91,520,723,876.24 | 4.92% |
| 1985 | $95,577,933,450.09 | 4.43% |
| 1986 | $98,190,309,398.72 | 2.73% |
| 1987 | $102,378,867,483.95 | 4.27% |
| 1988 | $108,391,710,449.50 | 5.87% |
| 1989 | $114,711,033,274.96 | 5.83% |
| 1990 | $121,351,430,239.35 | 5.79% |
| 1991 | $126,853,473,438.41 | 4.53% |
| 1992 | $129,947,460,595.45 | 2.44% |
| 1993 | $133,814,944,541.74 | 2.98% |
| 1994 | $135,507,880,910.68 | 1.27% |
| 1995 | $138,762,405,137.19 | 2.40% |
| 1996 | $142,819,614,711.03 | 2.92% |
| 1997 | $146,935,201,401.05 | 2.88% |
| 1998 | $150,248,102,743.72 | 2.25% |
| 1999 | $153,882,078,225.34 | 2.42% |
| 2000 | $160,478,692,352.60 | 4.29% |
| 2001 | $167,586,106,246.35 | 4.43% |
| 2002 | $171,862,230,005.84 | 2.55% |
| 2003 | $178,225,335,668.42 | 3.70% |
| 2004 | $183,333,333,333.33 | 2.87% |
| 2005 | $189,141,856,392.29 | 3.17% |
| 2006 | $195,183,887,915.94 | 3.19% |
| 2007 | $198,857,851,722.12 | 1.88% |
| 2008 | $206,149,883,245.77 | 3.67% |
| 2009 | $204,473,876,240.51 | -0.81% |
| 2010 | $207,828,955,049.62 | 1.64% |
| 2011 | $213,334,938,704.03 | 2.65% |
| 2012 | $216,780,793,928.78 | 1.62% |
| 2013 | $219,796,117,921.77 | 1.39% |
| 2014 | $223,401,926,444.83 | 1.64% |
| 2015 | $224,818,593,111.50 | 0.63% |
| 2016 | $227,917,688,266.20 | 1.38% |
| 2017 | $233,731,173,380.04 | 2.55% |
| 2018 | $241,270,431,990.66 | 3.23% |
| 2019 | $246,114,711,033.27 | 2.01% |
| 2020 | $248,764,302,393.46 | 1.08% |
| 2021 | $256,456,509,048.45 | 3.09% |
| 2022 | $274,936,660,828.96 | 7.21% |
| 2023 | $285,217,308,814.94 | 3.74% |
| 2024 | $294,344,716,870.99 | 3.20% |
| 2025 | $302,422,566,925.19 | 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 |