According to the U.S. Bureau of Labor Statistics, prices in Boston, Massachusetts are 1,579.93% higher in 2025 versus 1920 (a $150,093,794.66 difference in value).
Between 1920 and 2025: Boston experienced an average inflation rate of 2.72% per year. This rate of change indicates significant inflation. In other words, $9,500,000 in Boston in the year 1920 would cost $159,593,794.66 in 2025 for an equivalent purchase. Compared to the overall inflation rate of 2.68% during this same period, inflation in Boston was higher.
In the year 1920: Pricing changed by 17.25%, which is significantly above the average yearly change in Boston during the 1920-2025 time period. Compared to inflation for all items in 1920 (15.62%), inflation in Boston was higher.
Below are calculations of equivalent buying power in Boston, over time, for $9,500,000 beginning in 1920. Each of the amounts below is equivalent in terms of what it could buy at the time:
| Year | USD Value | Inflation Rate |
|---|---|---|
| 1920 | $9,500,000.00 | 17.25% |
| 1921 | $8,648,966.36 | -8.96% |
| 1922 | $7,882,650.99 | -8.86% |
| 1923 | $8,002,026.75 | 1.51% |
| 1924 | $8,055,938.39 | 0.67% |
| 1925 | $8,144,507.50 | 1.10% |
| 1926 | $8,444,872.31 | 3.69% |
| 1927 | $8,356,303.20 | -1.05% |
| 1928 | $8,194,568.30 | -1.94% |
| 1929 | $8,156,059.99 | -0.47% |
| 1930 | $8,098,297.53 | -0.71% |
| 1931 | $7,470,612.08 | -7.75% |
| 1932 | $6,735,103.36 | -9.85% |
| 1933 | $6,288,406.97 | -6.63% |
| 1934 | $6,484,799.35 | 3.12% |
| 1935 | $6,619,578.44 | 2.08% |
| 1936 | $6,658,086.75 | 0.58% |
| 1937 | $6,808,269.15 | 2.26% |
| 1938 | $6,634,981.76 | -2.55% |
| 1939 | $6,534,860.15 | -1.51% |
| 1940 | $6,596,473.45 | 0.94% |
| 1941 | $6,889,136.60 | 4.44% |
| 1942 | $7,624,645.32 | 10.68% |
| 1943 | $8,025,131.74 | 5.25% |
| 1944 | $8,113,700.85 | 1.10% |
| 1945 | $8,279,286.58 | 2.04% |
| 1946 | $8,957,032.83 | 8.19% |
| 1947 | $10,197,000.41 | 13.84% |
| 1948 | $11,036,481.56 | 8.23% |
| 1949 | $10,901,702.47 | -1.22% |
| 1950 | $11,044,183.22 | 1.31% |
| 1951 | $11,783,542.76 | 6.69% |
| 1952 | $12,041,548.44 | 2.19% |
| 1953 | $12,072,355.09 | 0.26% |
| 1954 | $12,118,565.06 | 0.38% |
| 1955 | $12,176,327.52 | 0.48% |
| 1956 | $12,511,349.82 | 2.75% |
| 1957 | $12,950,344.55 | 3.51% |
| 1958 | $13,366,234.29 | 3.21% |
| 1959 | $13,470,206.73 | 0.78% |
| 1960 | $13,724,361.57 | 1.89% |
| 1961 | $13,932,306.45 | 1.52% |
| 1962 | $14,232,671.26 | 2.16% |
| 1963 | $14,521,483.58 | 2.03% |
| 1964 | $14,717,875.96 | 1.35% |
| 1965 | $14,995,135.79 | 1.88% |
| 1966 | $15,457,235.51 | 3.08% |
| 1967 | $15,861,572.76 | 2.62% |
| 1968 | $16,485,407.38 | 3.93% |
| 1969 | $17,398,054.32 | 5.54% |
| 1970 | $18,460,883.66 | 6.11% |
| 1971 | $19,442,845.56 | 5.32% |
| 1972 | $20,135,995.14 | 3.57% |
| 1973 | $21,256,586.95 | 5.57% |
| 1974 | $23,451,560.60 | 10.33% |
| 1975 | $25,565,666.80 | 9.01% |
| 1976 | $27,645,115.52 | 8.13% |
| 1977 | $29,054,519.66 | 5.10% |
| 1978 | $30,606,404.54 | 5.34% |
| 1979 | $33,687,069.31 | 10.07% |
| 1980 | $37,961,491.69 | 12.69% |
| 1981 | $42,274,422.38 | 11.36% |
| 1982 | $44,084,312.93 | 4.28% |
| 1983 | $46,032,833.40 | 4.42% |
| 1984 | $48,297,122.01 | 4.92% |
| 1985 | $50,438,184.03 | 4.43% |
| 1986 | $51,816,781.52 | 2.73% |
| 1987 | $54,027,158.49 | 4.27% |
| 1988 | $57,200,243.21 | 5.87% |
| 1989 | $60,535,062.83 | 5.83% |
| 1990 | $64,039,319.01 | 5.79% |
| 1991 | $66,942,845.56 | 4.53% |
| 1992 | $68,575,597.89 | 2.44% |
| 1993 | $70,616,538.31 | 2.98% |
| 1994 | $71,509,931.09 | 1.27% |
| 1995 | $73,227,401.70 | 2.40% |
| 1996 | $75,368,463.72 | 2.92% |
| 1997 | $77,540,332.39 | 2.88% |
| 1998 | $79,288,609.65 | 2.25% |
| 1999 | $81,206,323.47 | 2.42% |
| 2000 | $84,687,474.67 | 4.29% |
| 2001 | $88,438,184.03 | 4.43% |
| 2002 | $90,694,770.98 | 2.55% |
| 2003 | $94,052,695.58 | 3.70% |
| 2004 | $96,748,277.26 | 2.87% |
| 2005 | $99,813,538.71 | 3.17% |
| 2006 | $103,002,026.75 | 3.19% |
| 2007 | $104,940,843.13 | 1.88% |
| 2008 | $108,788,978.52 | 3.67% |
| 2009 | $107,904,519.66 | -0.81% |
| 2010 | $109,675,054.72 | 1.64% |
| 2011 | $112,580,660.72 | 2.65% |
| 2012 | $114,399,100.12 | 1.62% |
| 2013 | $115,990,340.49 | 1.39% |
| 2014 | $117,893,190.11 | 1.64% |
| 2015 | $118,640,790.43 | 0.63% |
| 2016 | $120,276,238.35 | 1.38% |
| 2017 | $123,344,118.36 | 2.55% |
| 2018 | $127,322,719.90 | 3.23% |
| 2019 | $129,879,132.55 | 2.01% |
| 2020 | $131,277,369.27 | 1.08% |
| 2021 | $135,336,684.23 | 3.09% |
| 2022 | $145,088,990.68 | 7.21% |
| 2023 | $150,514,272.40 | 3.74% |
| 2024 | $155,330,968.79 | 3.20% |
| 2025 | $159,593,794.66 | 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 |