According to the U.S. Bureau of Labor Statistics, prices for utility (piped) gas service were 1,363.69% higher in 2021 versus 1935 (a $272.74 difference in value).
Between 1935 and 2021: Utility (piped) gas service experienced an average inflation rate of 3.17% per year. This rate of change indicates significant inflation. In other words, utility (piped) gas service costing $20 in the year 1935 would cost $292.74 in 2021 for an equivalent purchase. Compared to the overall inflation rate of 3.51% during this same period, inflation for utility (piped) gas service was lower.
Raw Consumer Price Index data from U.S. Bureau of Labor Statistics for Utility (piped) gas service:
| Year | 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 |
| CPI | 12.800 | 12.717 | 12.600 | 12.720 | 12.880 | 12.780 | 12.677 | 12.608 | 12.492 | 12.438 | 12.285 | 12.062 | 12.200 | 12.620 | 13.160 | 13.180 | 13.120 | 13.369 | 13.792 | 14.054 | 14.608 | 14.846 | 15.100 | 16.000 | 16.538 | 17.646 | 17.877 | 17.892 | 17.862 | 17.946 | 17.992 | 18.085 | 18.077 | 18.223 | 18.569 | 19.577 | 20.992 | 22.092 | 23.092 | 25.985 | 31.138 | 36.315 | 43.200 | 47.485 | 55.123 | 65.692 | 74.892 | 89.769 | 104.723 | 105.508 | 104.777 | 99.646 | 95.092 | 94.515 | 97.138 | 97.323 | 98.538 | 100.331 | 106.469 | 108.492 | 102.931 | 107.177 | 114.615 | 112.354 | 112.954 | 132.008 | 158.269 | 135.277 | 166.285 | 180.069 | 215.431 | 220.762 | 217.688 | 247.803 | 193.717 | 189.678 | 184.334 | 166.585 | 174.451 | 186.754 | 164.597 | 160.628 | 173.433 | 173.609 | 171.038 | 171.387 | 187.352 |
Below are calculations of equivalent buying power for Utility (piped) gas service, over time, for $20 beginning in 1935. Each of the amounts below is equivalent in terms of what it could buy at the time:
| Year | USD Value | Inflation Rate |
|---|---|---|
| 1935 | $20.00 | - |
| 1936 | $19.87 | -0.65% |
| 1937 | $19.69 | -0.92% |
| 1938 | $19.87 | 0.95% |
| 1939 | $20.13 | 1.26% |
| 1940 | $19.97 | -0.78% |
| 1941 | $19.81 | -0.81% |
| 1942 | $19.70 | -0.55% |
| 1943 | $19.52 | -0.92% |
| 1944 | $19.44 | -0.43% |
| 1945 | $19.19 | -1.24% |
| 1946 | $18.85 | -1.82% |
| 1947 | $19.06 | 1.15% |
| 1948 | $19.72 | 3.44% |
| 1949 | $20.56 | 4.28% |
| 1950 | $20.59 | 0.15% |
| 1951 | $20.50 | -0.46% |
| 1952 | $20.89 | 1.90% |
| 1953 | $21.55 | 3.16% |
| 1954 | $21.96 | 1.90% |
| 1955 | $22.82 | 3.94% |
| 1956 | $23.20 | 1.63% |
| 1957 | $23.59 | 1.71% |
| 1958 | $25.00 | 5.96% |
| 1959 | $25.84 | 3.37% |
| 1960 | $27.57 | 6.70% |
| 1961 | $27.93 | 1.31% |
| 1962 | $27.96 | 0.09% |
| 1963 | $27.91 | -0.17% |
| 1964 | $28.04 | 0.47% |
| 1965 | $28.11 | 0.26% |
| 1966 | $28.26 | 0.51% |
| 1967 | $28.25 | -0.04% |
| 1968 | $28.47 | 0.81% |
| 1969 | $29.01 | 1.90% |
| 1970 | $30.59 | 5.43% |
| 1971 | $32.80 | 7.23% |
| 1972 | $34.52 | 5.24% |
| 1973 | $36.08 | 4.53% |
| 1974 | $40.60 | 12.52% |
| 1975 | $48.65 | 19.83% |
| 1976 | $56.74 | 16.63% |
| 1977 | $67.50 | 18.96% |
| 1978 | $74.19 | 9.92% |
| 1979 | $86.13 | 16.09% |
| 1980 | $102.64 | 19.17% |
| 1981 | $117.02 | 14.00% |
| 1982 | $140.26 | 19.86% |
| 1983 | $163.63 | 16.66% |
| 1984 | $164.86 | 0.75% |
| 1985 | $163.71 | -0.69% |
| 1986 | $155.70 | -4.90% |
| 1987 | $148.58 | -4.57% |
| 1988 | $147.68 | -0.61% |
| 1989 | $151.78 | 2.78% |
| 1990 | $152.07 | 0.19% |
| 1991 | $153.97 | 1.25% |
| 1992 | $156.77 | 1.82% |
| 1993 | $166.36 | 6.12% |
| 1994 | $169.52 | 1.90% |
| 1995 | $160.83 | -5.13% |
| 1996 | $167.46 | 4.13% |
| 1997 | $179.09 | 6.94% |
| 1998 | $175.55 | -1.97% |
| 1999 | $176.49 | 0.53% |
| 2000 | $206.26 | 16.87% |
| 2001 | $247.30 | 19.89% |
| 2002 | $211.37 | -14.53% |
| 2003 | $259.82 | 22.92% |
| 2004 | $281.36 | 8.29% |
| 2005 | $336.61 | 19.64% |
| 2006 | $344.94 | 2.47% |
| 2007 | $340.14 | -1.39% |
| 2008 | $387.19 | 13.83% |
| 2009 | $302.68 | -21.83% |
| 2010 | $296.37 | -2.08% |
| 2011 | $288.02 | -2.82% |
| 2012 | $260.29 | -9.63% |
| 2013 | $272.58 | 4.72% |
| 2014 | $291.80 | 7.05% |
| 2015 | $257.18 | -11.86% |
| 2016 | $250.98 | -2.41% |
| 2017 | $270.99 | 7.97% |
| 2018 | $271.26 | 0.10% |
| 2019 | $267.25 | -1.48% |
| 2020 | $267.79 | 0.20% |
| 2021 | $292.74 | 9.32%* |