According to the U.S. Bureau of Labor Statistics, prices in Philadelphia, Pennsylvania are 2,699.56% higher in 2026 versus 1917 (a $26,995,568,101.62 difference in value).
Between 1917 and 2026:Philadelphia experienced an average inflation rate of 3.10% per year. This rate of change indicates significant inflation. In other words, $1,000,000,000 in Philadelphia in the year 1917 would cost $27,995,568,101.62 in 2026 for an equivalent purchase. Compared to the overall inflation rate of 3.01% during this same period, inflation in Philadelphia was higher.
In the year 1917: Pricing changed by 13.45%, which is significantly above the average yearly change in Philadelphia during the 1917-2026 time period. Compared to inflation for all items in 1917 (17.84%), inflation in Philadelphia was much lower.
Below are calculations of equivalent buying power in Philadelphia, over time, for $1,000,000,000 beginning in 1917. Each of the amounts below is equivalent in terms of what it could buy at the time:
| Year | USD Value | Inflation Rate |
|---|---|---|
| 1917 | $1,000,000,000.00 | 13.45% |
| 1918 | $1,214,537,755.82 | 21.45% |
| 1919 | $1,476,358,503.88 | 21.56% |
| 1920 | $1,719,830,628.09 | 16.49% |
| 1921 | $1,576,570,218.77 | -8.33% |
| 1922 | $1,462,244,177.84 | -7.25% |
| 1923 | $1,485,532,815.81 | 1.59% |
| 1924 | $1,498,235,709.24 | 0.86% |
| 1925 | $1,547,635,850.39 | 3.30% |
| 1926 | $1,594,918,842.63 | 3.06% |
| 1927 | $1,572,335,920.96 | -1.42% |
| 1928 | $1,537,755,822.16 | -2.20% |
| 1929 | $1,508,115,737.47 | -1.93% |
| 1930 | $1,491,178,546.22 | -1.12% |
| 1931 | $1,374,029,640.08 | -7.86% |
| 1932 | $1,236,414,961.19 | -10.02% |
| 1933 | $1,132,674,664.78 | -8.39% |
| 1934 | $1,187,014,820.04 | 4.80% |
| 1935 | $1,205,363,443.90 | 1.55% |
| 1936 | $1,228,652,081.86 | 1.93% |
| 1937 | $1,258,292,166.55 | 2.41% |
| 1938 | $1,232,180,663.37 | -2.08% |
| 1939 | $1,212,420,606.92 | -1.60% |
| 1940 | $1,213,832,039.52 | 0.12% |
| 1941 | $1,273,817,925.19 | 4.94% |
| 1942 | $1,417,078,334.51 | 11.25% |
| 1943 | $1,507,410,021.17 | 6.37% |
| 1944 | $1,527,875,793.93 | 1.36% |
| 1945 | $1,568,807,339.45 | 2.68% |
| 1946 | $1,702,893,436.84 | 8.55% |
| 1947 | $1,948,482,709.95 | 14.42% |
| 1948 | $2,103,034,580.10 | 7.93% |
| 1949 | $2,078,334,509.53 | -1.17% |
| 1950 | $2,091,037,402.96 | 0.61% |
| 1951 | $2,284,403,669.72 | 9.25% |
| 1952 | $2,328,158,080.45 | 1.92% |
| 1953 | $2,339,449,541.28 | 0.48% |
| 1954 | $2,363,443,895.55 | 1.03% |
| 1955 | $2,358,503,881.44 | -0.21% |
| 1956 | $2,390,966,831.33 | 1.38% |
| 1957 | $2,467,889,908.26 | 3.22% |
| 1958 | $2,516,584,333.10 | 1.97% |
| 1959 | $2,544,812,985.18 | 1.12% |
| 1960 | $2,589,978,828.51 | 1.77% |
| 1961 | $2,618,913,196.89 | 1.12% |
| 1962 | $2,642,201,834.86 | 0.89% |
| 1963 | $2,689,484,827.10 | 1.79% |
| 1964 | $2,731,827,805.22 | 1.57% |
| 1965 | $2,774,170,783.35 | 1.55% |
| 1966 | $2,853,916,725.48 | 2.87% |
| 1967 | $2,931,545,518.70 | 2.72% |
| 1968 | $3,071,983,062.81 | 4.79% |
| 1969 | $3,235,003,528.58 | 5.31% |
| 1970 | $3,452,364,149.61 | 6.72% |
| 1971 | $3,621,030,345.80 | 4.89% |
| 1972 | $3,721,242,060.69 | 2.77% |
| 1973 | $3,971,771,347.92 | 6.73% |
| 1974 | $4,443,189,837.69 | 11.87% |
| 1975 | $4,812,985,179.96 | 8.32% |
| 1976 | $5,050,811,573.75 | 4.94% |
| 1977 | $5,380,381,086.80 | 6.53% |
| 1978 | $5,694,424,841.21 | 5.84% |
| 1979 | $6,260,409,315.46 | 9.94% |
| 1980 | $7,077,628,793.23 | 13.05% |
| 1981 | $7,798,165,137.61 | 10.18% |
| 1982 | $8,177,134,791.81 | 4.86% |
| 1983 | $8,415,666,901.91 | 2.92% |
| 1984 | $8,810,868,031.05 | 4.70% |
| 1985 | $9,211,009,174.31 | 4.54% |
| 1986 | $9,439,661,256.18 | 2.48% |
| 1987 | $9,892,025,405.79 | 4.79% |
| 1988 | $10,365,561,044.46 | 4.79% |
| 1989 | $10,865,208,186.31 | 4.82% |
| 1990 | $11,503,881,439.66 | 5.88% |
| 1991 | $12,040,931,545.52 | 4.67% |
| 1992 | $12,413,549,753.00 | 3.09% |
| 1993 | $12,722,653,493.30 | 2.49% |
| 1994 | $13,095,977,417.08 | 2.93% |
| 1995 | $13,438,955,539.87 | 2.62% |
| 1996 | $13,790,402,258.29 | 2.62% |
| 1997 | $14,095,977,417.08 | 2.22% |
| 1998 | $14,237,120,677.49 | 1.00% |
| 1999 | $14,541,284,403.67 | 2.14% |
| 2000 | $14,930,134,086.10 | 2.67% |
| 2001 | $15,343,683,839.10 | 2.77% |
| 2002 | $15,640,084,685.96 | 1.93% |
| 2003 | $15,978,122,794.64 | 2.16% |
| 2004 | $16,611,150,317.57 | 3.96% |
| 2005 | $17,270,995,059.99 | 3.97% |
| 2006 | $17,935,779,816.51 | 3.85% |
| 2007 | $18,329,011,997.18 | 2.19% |
| 2008 | $18,984,057,868.74 | 3.57% |
| 2009 | $18,886,055,045.87 | -0.52% |
| 2010 | $19,272,921,665.49 | 2.05% |
| 2011 | $19,778,186,309.10 | 2.62% |
| 2012 | $20,148,764,996.47 | 1.87% |
| 2013 | $20,390,663,373.32 | 1.20% |
| 2014 | $20,662,293,577.98 | 1.33% |
| 2015 | $20,644,544,812.99 | -0.09% |
| 2016 | $20,765,328,158.08 | 0.59% |
| 2017 | $21,029,611,856.03 | 1.27% |
| 2018 | $21,309,957,657.02 | 1.33% |
| 2019 | $21,714,453,069.87 | 1.90% |
| 2020 | $21,913,429,781.23 | 0.92% |
| 2021 | $22,770,486,944.25 | 3.91% |
| 2022 | $24,549,640,084.69 | 7.81% |
| 2023 | $25,662,745,236.41 | 4.53% |
| 2024 | $26,580,134,086.10 | 3.57% |
| 2025 | $27,431,037,402.96 | 3.20% |
| 2026 | $27,995,568,101.62 | 2.06%* |
* 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 Philadelphia, Pennsylvania:
| 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 | 10.200 | 10.208 | 10.408 | 11.808 | 14.342 | 17.433 | 20.308 | 18.617 | 17.267 | 17.542 | 17.692 | 18.275 | 18.833 | 18.567 | 18.158 | 17.808 | 17.608 | 16.225 | 14.600 | 13.375 | 14.017 | 14.233 | 14.508 | 14.858 | 14.550 | 14.317 | 14.333 | 15.042 | 16.733 | 17.800 | 18.042 | 18.525 | 20.108 | 23.008 | 24.833 | 24.542 | 24.692 | 26.975 | 27.492 | 27.625 | 27.908 | 27.850 | 28.233 | 29.142 | 29.717 | 30.050 | 30.583 | 30.925 | 31.200 | 31.758 | 32.258 | 32.758 | 33.700 | 34.617 | 36.275 | 38.200 | 40.767 | 42.758 | 43.942 | 46.900 | 52.467 | 56.833 | 59.642 | 63.533 | 67.242 | 73.925 | 83.575 | 92.083 | 96.558 | 99.375 | 104.042 | 108.767 | 111.467 | 116.808 | 122.400 | 128.300 | 135.842 | 142.183 | 146.583 | 150.233 | 154.642 | 158.692 | 162.842 | 166.450 | 168.117 | 171.708 | 176.300 | 181.183 | 184.683 | 188.675 | 196.150 | 203.942 | 211.792 | 216.435 | 224.170 | 223.013 | 227.581 | 233.547 | 237.923 | 240.780 | 243.987 | 243.778 | 245.204 | 248.325 | 251.635 | 256.411 | 258.761 | 268.882 | 289.890 | 303.034 | 313.867 | 323.915 | 330.581 |