According to the U.S. Bureau of Labor Statistics, prices in Boston, Massachusetts are 3,183.99% higher in 2025 versus 1915 (a $318,399,275,494.54 difference in value).
Between 1915 and 2025: Boston experienced an average inflation rate of 3.23% per year. This rate of change indicates significant inflation. In other words, $9,999,999,999 in Boston in the year 1915 would cost $328,399,275,493.54 in 2025 for an equivalent purchase. Compared to the overall inflation rate of 3.19% during this same period, inflation in Boston was higher.
In the year 1915: Pricing changed by 0.16%, which is significantly below the average yearly change in Boston during the 1915-2025 time period. Compared to inflation for all items in 1915 (0.92%), inflation in Boston was lower.
Below are calculations of equivalent buying power in Boston, over time, for $9,999,999,999 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 | $9,999,999,999.00 | 0.16% |
| 1916 | $10,285,261,488.67 | 2.85% |
| 1917 | $11,671,949,285.68 | 13.48% |
| 1918 | $13,748,019,016.06 | 17.79% |
| 1919 | $16,671,949,285.18 | 21.27% |
| 1920 | $19,548,335,972.69 | 17.25% |
| 1921 | $17,797,147,383.32 | -8.96% |
| 1922 | $16,220,285,259.87 | -8.86% |
| 1923 | $16,465,927,098.19 | 1.51% |
| 1924 | $16,576,862,121.96 | 0.67% |
| 1925 | $16,759,112,518.13 | 1.10% |
| 1926 | $17,377,179,079.09 | 3.69% |
| 1927 | $17,194,928,682.91 | -1.05% |
| 1928 | $16,862,123,611.63 | -1.94% |
| 1929 | $16,782,884,308.94 | -0.47% |
| 1930 | $16,664,025,354.91 | -0.71% |
| 1931 | $15,372,424,721.13 | -7.75% |
| 1932 | $13,858,954,039.82 | -9.85% |
| 1933 | $12,939,778,128.66 | -6.63% |
| 1934 | $13,343,898,572.36 | 3.12% |
| 1935 | $13,621,236,131.76 | 2.08% |
| 1936 | $13,700,475,434.45 | 0.58% |
| 1937 | $14,009,508,714.92 | 2.26% |
| 1938 | $13,652,931,852.83 | -2.55% |
| 1939 | $13,446,909,665.85 | -1.51% |
| 1940 | $13,573,692,550.15 | 0.94% |
| 1941 | $14,175,911,250.56 | 4.44% |
| 1942 | $15,689,381,931.87 | 10.68% |
| 1943 | $16,513,470,679.81 | 5.25% |
| 1944 | $16,695,721,075.98 | 1.10% |
| 1945 | $17,036,450,077.54 | 2.04% |
| 1946 | $18,431,061,804.81 | 8.19% |
| 1947 | $20,982,567,351.31 | 13.84% |
| 1948 | $22,709,984,149.87 | 8.23% |
| 1949 | $22,432,646,590.47 | -1.22% |
| 1950 | $22,725,832,010.41 | 1.31% |
| 1951 | $24,247,226,621.98 | 6.69% |
| 1952 | $24,778,129,949.98 | 2.19% |
| 1953 | $24,841,521,392.13 | 0.26% |
| 1954 | $24,936,608,555.35 | 0.38% |
| 1955 | $25,055,467,509.38 | 0.48% |
| 1956 | $25,744,849,442.75 | 2.75% |
| 1957 | $26,648,177,493.37 | 3.51% |
| 1958 | $27,503,961,962.38 | 3.21% |
| 1959 | $27,717,908,079.64 | 0.78% |
| 1960 | $28,240,887,477.37 | 1.89% |
| 1961 | $28,668,779,711.87 | 1.52% |
| 1962 | $29,286,846,272.82 | 2.16% |
| 1963 | $29,881,141,042.97 | 2.03% |
| 1964 | $30,285,261,486.67 | 1.35% |
| 1965 | $30,855,784,466.01 | 1.88% |
| 1966 | $31,806,656,098.25 | 3.08% |
| 1967 | $32,638,668,776.45 | 2.62% |
| 1968 | $33,922,345,479.97 | 3.93% |
| 1969 | $35,800,316,953.63 | 5.54% |
| 1970 | $37,987,321,707.77 | 6.11% |
| 1971 | $40,007,923,926.27 | 5.32% |
| 1972 | $41,434,231,374.62 | 3.57% |
| 1973 | $43,740,095,082.79 | 5.57% |
| 1974 | $48,256,735,335.90 | 10.33% |
| 1975 | $52,606,973,053.38 | 9.01% |
| 1976 | $56,885,895,398.43 | 8.13% |
| 1977 | $59,786,053,876.75 | 5.10% |
| 1978 | $62,979,397,775.00 | 5.34% |
| 1979 | $69,318,541,989.90 | 10.07% |
| 1980 | $78,114,104,588.07 | 12.69% |
| 1981 | $86,988,906,488.92 | 11.36% |
| 1982 | $90,713,153,715.18 | 4.28% |
| 1983 | $94,722,662,431.10 | 4.42% |
| 1984 | $99,381,933,429.05 | 4.92% |
| 1985 | $103,787,638,658.40 | 4.43% |
| 1986 | $106,624,405,694.57 | 2.73% |
| 1987 | $111,172,741,668.76 | 4.27% |
| 1988 | $117,702,060,210.10 | 5.87% |
| 1989 | $124,564,183,822.73 | 5.83% |
| 1990 | $131,774,960,367.17 | 5.79% |
| 1991 | $137,749,603,789.71 | 4.53% |
| 1992 | $141,109,350,223.61 | 2.44% |
| 1993 | $145,309,033,265.98 | 2.98% |
| 1994 | $147,147,385,088.30 | 1.27% |
| 1995 | $150,681,457,988.10 | 2.40% |
| 1996 | $155,087,163,217.45 | 2.92% |
| 1997 | $159,556,259,888.96 | 2.88% |
| 1998 | $163,153,724,230.91 | 2.25% |
| 1999 | $167,099,841,504.68 | 2.42% |
| 2000 | $174,263,074,467.52 | 4.29% |
| 2001 | $181,980,982,549.16 | 4.43% |
| 2002 | $186,624,405,686.57 | 2.55% |
| 2003 | $193,534,072,880.81 | 3.70% |
| 2004 | $199,080,824,068.84 | 2.87% |
| 2005 | $205,388,272,562.66 | 3.17% |
| 2006 | $211,949,286,825.08 | 3.19% |
| 2007 | $215,938,827,236.73 | 1.88% |
| 2008 | $223,857,210,754.16 | 3.67% |
| 2009 | $222,037,242,450.06 | -0.81% |
| 2010 | $225,680,507,108.97 | 1.64% |
| 2011 | $231,659,429,453.85 | 2.65% |
| 2012 | $235,401,267,805.30 | 1.62% |
| 2013 | $238,675,594,270.90 | 1.39% |
| 2014 | $242,591,125,173.84 | 1.64% |
| 2015 | $244,129,476,996.19 | 0.63% |
| 2016 | $247,494,770,181.27 | 1.38% |
| 2017 | $253,807,606,947.68 | 2.55% |
| 2018 | $261,994,453,222.61 | 3.23% |
| 2019 | $267,254,833,570.74 | 2.01% |
| 2020 | $270,132,012,651.28 | 1.08% |
| 2021 | $278,484,944,504.64 | 3.09% |
| 2022 | $298,552,456,388.53 | 7.21% |
| 2023 | $309,716,164,786.78 | 3.74% |
| 2024 | $319,627,575,245.37 | 3.20% |
| 2025 | $328,399,275,493.54 | 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 |