According to the U.S. Bureau of Labor Statistics, prices in Boston, Massachusetts are 3,212.29% higher in 2026 versus 1915 (a $664,945,017.43 difference in value).
Between 1915 and 2026:Boston experienced an average inflation rate of 3.20% per year. This rate of change indicates significant inflation. In other words, $20,700,000 in Boston in the year 1915 would cost $685,645,017.43 in 2026 for an equivalent purchase. Compared to the overall inflation rate of 3.18% 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 1915-2026 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 $20,700,000 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 | $20,700,000.00 | 0.16% |
| 1916 | $21,290,491.28 | 2.85% |
| 1917 | $24,160,935.02 | 13.48% |
| 1918 | $28,458,399.37 | 17.79% |
| 1919 | $34,510,935.02 | 21.27% |
| 1920 | $40,465,055.47 | 17.25% |
| 1921 | $36,840,095.09 | -8.96% |
| 1922 | $33,575,990.49 | -8.86% |
| 1923 | $34,084,469.10 | 1.51% |
| 1924 | $34,314,104.60 | 0.67% |
| 1925 | $34,691,362.92 | 1.10% |
| 1926 | $35,970,760.70 | 3.69% |
| 1927 | $35,593,502.38 | -1.05% |
| 1928 | $34,904,595.88 | -1.94% |
| 1929 | $34,740,570.52 | -0.47% |
| 1930 | $34,494,532.49 | -0.71% |
| 1931 | $31,820,919.18 | -7.75% |
| 1932 | $28,688,034.87 | -9.85% |
| 1933 | $26,785,340.73 | -6.63% |
| 1934 | $27,621,870.05 | 3.12% |
| 1935 | $28,195,958.80 | 2.08% |
| 1936 | $28,359,984.15 | 0.58% |
| 1937 | $28,999,683.04 | 2.26% |
| 1938 | $28,261,568.94 | -2.55% |
| 1939 | $27,835,103.01 | -1.51% |
| 1940 | $28,097,543.58 | 0.94% |
| 1941 | $29,344,136.29 | 4.44% |
| 1942 | $32,477,020.60 | 10.68% |
| 1943 | $34,182,884.31 | 5.25% |
| 1944 | $34,560,142.63 | 1.10% |
| 1945 | $35,265,451.66 | 2.04% |
| 1946 | $38,152,297.94 | 8.19% |
| 1947 | $43,433,914.42 | 13.84% |
| 1948 | $47,009,667.19 | 8.23% |
| 1949 | $46,435,578.45 | -1.22% |
| 1950 | $47,042,472.27 | 1.31% |
| 1951 | $50,191,759.11 | 6.69% |
| 1952 | $51,290,729.00 | 2.19% |
| 1953 | $51,421,949.29 | 0.26% |
| 1954 | $51,618,779.71 | 0.38% |
| 1955 | $51,864,817.75 | 0.48% |
| 1956 | $53,291,838.35 | 2.75% |
| 1957 | $55,161,727.42 | 3.51% |
| 1958 | $56,933,201.27 | 3.21% |
| 1959 | $57,376,069.73 | 0.78% |
| 1960 | $58,458,637.08 | 1.89% |
| 1961 | $59,344,374.01 | 1.52% |
| 1962 | $60,623,771.79 | 2.16% |
| 1963 | $61,853,961.97 | 2.03% |
| 1964 | $62,690,491.28 | 1.35% |
| 1965 | $63,871,473.85 | 1.88% |
| 1966 | $65,839,778.13 | 3.08% |
| 1967 | $67,562,044.37 | 2.62% |
| 1968 | $70,219,255.15 | 3.93% |
| 1969 | $74,106,656.10 | 5.54% |
| 1970 | $78,633,755.94 | 6.11% |
| 1971 | $82,816,402.54 | 5.32% |
| 1972 | $85,768,858.95 | 3.57% |
| 1973 | $90,541,996.83 | 5.57% |
| 1974 | $99,891,442.16 | 10.33% |
| 1975 | $108,896,434.23 | 9.01% |
| 1976 | $117,753,803.49 | 8.13% |
| 1977 | $123,757,131.54 | 5.10% |
| 1978 | $130,367,353.41 | 5.34% |
| 1979 | $143,489,381.93 | 10.07% |
| 1980 | $161,696,196.51 | 12.69% |
| 1981 | $180,067,036.45 | 11.36% |
| 1982 | $187,776,228.21 | 4.28% |
| 1983 | $196,075,911.25 | 4.42% |
| 1984 | $205,720,602.22 | 4.92% |
| 1985 | $214,840,412.04 | 4.43% |
| 1986 | $220,712,519.81 | 2.73% |
| 1987 | $230,127,575.28 | 4.27% |
| 1988 | $243,643,264.66 | 5.87% |
| 1989 | $257,847,860.54 | 5.83% |
| 1990 | $272,774,167.99 | 5.79% |
| 1991 | $285,141,679.87 | 4.53% |
| 1992 | $292,096,354.99 | 2.44% |
| 1993 | $300,789,698.89 | 2.98% |
| 1994 | $304,595,087.16 | 1.27% |
| 1995 | $311,910,618.07 | 2.40% |
| 1996 | $321,030,427.89 | 2.92% |
| 1997 | $330,281,458.00 | 2.88% |
| 1998 | $337,728,209.19 | 2.25% |
| 1999 | $345,896,671.95 | 2.42% |
| 2000 | $360,724,564.18 | 4.29% |
| 2001 | $376,700,633.91 | 4.43% |
| 2002 | $386,312,519.81 | 2.55% |
| 2003 | $400,615,530.90 | 3.70% |
| 2004 | $412,097,305.86 | 2.87% |
| 2005 | $425,153,724.25 | 3.17% |
| 2006 | $438,735,023.77 | 3.19% |
| 2007 | $446,993,372.42 | 1.88% |
| 2008 | $463,384,426.31 | 3.67% |
| 2009 | $459,617,091.92 | -0.81% |
| 2010 | $467,158,649.76 | 1.64% |
| 2011 | $479,535,019.02 | 2.65% |
| 2012 | $487,280,624.41 | 1.62% |
| 2013 | $494,058,480.19 | 1.39% |
| 2014 | $502,163,629.16 | 1.64% |
| 2015 | $505,348,017.43 | 0.63% |
| 2016 | $512,314,174.33 | 1.38% |
| 2017 | $525,381,746.43 | 2.55% |
| 2018 | $542,328,518.23 | 3.23% |
| 2019 | $553,217,505.55 | 2.01% |
| 2020 | $559,173,266.24 | 1.08% |
| 2021 | $576,463,835.18 | 3.09% |
| 2022 | $618,003,584.79 | 7.21% |
| 2023 | $641,112,461.17 | 3.74% |
| 2024 | $661,629,080.82 | 3.20% |
| 2025 | $682,140,123.61 | 3.10% |
| 2026 | $685,645,017.43 | 0.51%* |
* 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 | 2026 |
| 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 | 346.562 | 348.343 |