According to the U.S. Bureau of Labor Statistics, prices in Boston, Massachusetts are 1,579.93% higher in 2025 versus 1920 (a $142,194,121,257,745,056 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, $9,000,000,000,000,000 in Boston in the year 1920 would cost $151,194,121,257,745,056 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 $9,000,000,000,000,000 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 | $9,000,000,000,000,000.00 | 17.25% |
| 1921 | $8,193,757,600,324,280.00 | -8.96% |
| 1922 | $7,467,774,625,050,669.00 | -8.86% |
| 1923 | $7,580,867,450,344,548.00 | 1.51% |
| 1924 | $7,631,941,629,509,526.00 | 0.67% |
| 1925 | $7,715,849,209,566,275.00 | 1.10% |
| 1926 | $8,000,405,350,628,294.00 | 3.69% |
| 1927 | $7,916,497,770,571,544.00 | -1.05% |
| 1928 | $7,763,275,233,076,611.00 | -1.94% |
| 1929 | $7,726,793,676,530,200.00 | -0.47% |
| 1930 | $7,672,071,341,710,580.00 | -0.71% |
| 1931 | $7,077,421,970,004,052.00 | -7.75% |
| 1932 | $6,380,624,239,967,572.00 | -9.85% |
| 1933 | $5,957,438,184,029,187.00 | -6.63% |
| 1934 | $6,143,494,122,415,890.00 | 3.12% |
| 1935 | $6,271,179,570,328,335.00 | 2.08% |
| 1936 | $6,307,661,126,874,747.00 | 0.58% |
| 1937 | $6,449,939,197,405,757.00 | 2.26% |
| 1938 | $6,285,772,192,946,900.00 | -2.55% |
| 1939 | $6,190,920,145,926,225.00 | -1.51% |
| 1940 | $6,249,290,636,400,486.00 | 0.94% |
| 1941 | $6,526,550,466,153,222.00 | 4.44% |
| 1942 | $7,223,348,196,189,704.00 | 10.68% |
| 1943 | $7,602,756,384,272,396.00 | 5.25% |
| 1944 | $7,686,663,964,329,146.00 | 1.10% |
| 1945 | $7,843,534,657,478,719.00 | 2.04% |
| 1946 | $8,485,610,052,695,581.00 | 8.19% |
| 1947 | $9,660,316,173,490,068.00 | 13.84% |
| 1948 | $10,455,614,106,201,866.00 | 8.23% |
| 1949 | $10,327,928,658,289,422.00 | -1.22% |
| 1950 | $10,462,910,417,511,148.00 | 1.31% |
| 1951 | $11,163,356,303,202,270.00 | 6.69% |
| 1952 | $11,407,782,732,063,234.00 | 2.19% |
| 1953 | $11,436,967,977,300,364.00 | 0.26% |
| 1954 | $11,480,745,845,156,058.00 | 0.38% |
| 1955 | $11,535,468,179,975,678.00 | 0.48% |
| 1956 | $11,852,857,721,929,466.00 | 2.75% |
| 1957 | $12,268,747,466,558,574.00 | 3.51% |
| 1958 | $12,662,748,277,259,830.00 | 3.21% |
| 1959 | $12,761,248,479,935,144.00 | 0.78% |
| 1960 | $13,002,026,753,141,468.00 | 1.89% |
| 1961 | $13,199,027,158,492,098.00 | 1.52% |
| 1962 | $13,483,583,299,554,114.00 | 2.16% |
| 1963 | $13,757,194,973,652,212.00 | 2.03% |
| 1964 | $13,943,250,912,038,912.00 | 1.35% |
| 1965 | $14,205,918,119,173,084.00 | 1.88% |
| 1966 | $14,643,696,797,730,036.00 | 3.08% |
| 1967 | $15,026,753,141,467,368.00 | 2.62% |
| 1968 | $15,617,754,357,519,256.00 | 3.93% |
| 1969 | $16,482,367,247,669,236.00 | 5.54% |
| 1970 | $17,489,258,208,350,220.00 | 6.11% |
| 1971 | $18,419,537,900,283,744.00 | 5.32% |
| 1972 | $19,076,205,918,119,172.00 | 3.57% |
| 1973 | $20,137,819,213,619,780.00 | 5.57% |
| 1974 | $22,217,267,936,765,300.00 | 10.33% |
| 1975 | $24,220,105,391,163,352.00 | 9.01% |
| 1976 | $26,190,109,444,669,636.00 | 8.13% |
| 1977 | $27,525,334,414,268,340.00 | 5.10% |
| 1978 | $28,995,541,143,088,772.00 | 5.34% |
| 1979 | $31,914,065,666,801,776.00 | 10.07% |
| 1980 | $35,963,518,443,453,580.00 | 12.69% |
| 1981 | $40,049,452,776,651,800.00 | 11.36% |
| 1982 | $41,764,085,934,333,192.00 | 4.28% |
| 1983 | $43,610,052,695,581,680.00 | 4.42% |
| 1984 | $45,755,168,220,510,744.00 | 4.92% |
| 1985 | $47,783,542,764,491,288.00 | 4.43% |
| 1986 | $49,089,582,488,852,848.00 | 2.73% |
| 1987 | $51,183,623,834,616,944.00 | 4.27% |
| 1988 | $54,189,704,094,041,352.00 | 5.87% |
| 1989 | $57,349,006,890,960,680.00 | 5.83% |
| 1990 | $60,668,828,536,684,224.00 | 5.79% |
| 1991 | $63,419,537,900,283,744.00 | 4.53% |
| 1992 | $64,966,355,897,851,640.00 | 2.44% |
| 1993 | $66,899,878,394,811,512.00 | 2.98% |
| 1994 | $67,746,250,506,688,288.00 | 1.27% |
| 1995 | $69,373,327,928,658,288.00 | 2.40% |
| 1996 | $71,401,702,472,638,832.00 | 2.92% |
| 1997 | $73,459,262,261,856,496.00 | 2.88% |
| 1998 | $75,115,524,929,063,632.00 | 2.25% |
| 1999 | $76,932,306,445,074,992.00 | 2.42% |
| 2000 | $80,230,239,156,870,672.00 | 4.29% |
| 2001 | $83,783,542,764,491,280.00 | 4.43% |
| 2002 | $85,921,361,978,111,056.00 | 2.55% |
| 2003 | $89,102,553,708,958,240.00 | 3.70% |
| 2004 | $91,656,262,667,207,136.00 | 2.87% |
| 2005 | $94,560,194,568,301,584.00 | 3.17% |
| 2006 | $97,580,867,450,344,528.00 | 3.19% |
| 2007 | $99,417,640,859,343,344.00 | 1.88% |
| 2008 | $103,063,242,805,026,352.00 | 3.67% |
| 2009 | $102,225,334,414,268,352.00 | -0.81% |
| 2010 | $103,902,683,421,159,296.00 | 1.64% |
| 2011 | $106,655,362,788,812,336.00 | 2.65% |
| 2012 | $108,378,094,852,047,008.00 | 1.62% |
| 2013 | $109,885,585,731,657,888.00 | 1.39% |
| 2014 | $111,688,285,366,842,320.00 | 1.64% |
| 2015 | $112,396,538,305,634,352.00 | 0.63% |
| 2016 | $113,945,910,012,160,512.00 | 1.38% |
| 2017 | $116,852,322,659,100,144.00 | 2.55% |
| 2018 | $120,621,524,118,362,384.00 | 3.23% |
| 2019 | $123,043,388,731,252,528.00 | 2.01% |
| 2020 | $124,368,034,049,452,752.00 | 1.08% |
| 2021 | $128,213,700,851,236,304.00 | 3.09% |
| 2022 | $137,452,728,009,728,432.00 | 7.21% |
| 2023 | $142,592,468,585,326,304.00 | 3.74% |
| 2024 | $147,155,654,641,264,704.00 | 3.20% |
| 2025 | $151,194,121,257,745,056.00 | 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 |