4.09× price rise
Average US inflation: 4.65% a year over 31 years. Prices first doubled by 1975. Highest year: 1980 (13.5%). Lowest: 1959 (0.9%).
| 1955 | in 1986 | 1986 amount in 1955 money |
|---|---|---|
| $1 | $4.09 | $0.24 |
| $10 | $40.94 | $2.44 |
| $100 | $409.36 | $24.43 |
| $1,000 | $4,093.61 | $244.28 |
| $10,000 | $40,936.09 | $2,442.83 |
| $100,000 | $409,360.91 | $24,428.32 |
| Year | Value | Inflation |
|---|---|---|
| 1955 | $100.00 | |
| 1956 | $101.47 | 1.5% |
| 1957 | $104.92 | 3.4% |
| 1958 | $107.78 | 2.7% |
| 1959 | $108.79 | 0.9% |
| 1960 | $110.41 | 1.5% |
| 1961 | $111.59 | 1.1% |
| 1962 | $112.90 | 1.2% |
| 1963 | $114.32 | 1.3% |
| 1964 | $115.83 | 1.3% |
| 1965 | $117.66 | 1.6% |
| 1966 | $121.18 | 3.0% |
| 1967 | $124.55 | 2.8% |
| 1968 | $129.84 | 4.2% |
| 1969 | $136.90 | 5.4% |
| 1970 | $144.95 | 5.9% |
| 1971 | $151.08 | 4.2% |
| 1972 | $156.03 | 3.3% |
| 1973 | $165.79 | 6.3% |
| 1974 | $184.05 | 11.0% |
| 1975 | $200.87 | 9.1% |
| 1976 | $212.47 | 5.8% |
| 1977 | $226.22 | 6.5% |
| 1978 | $243.48 | 7.6% |
| 1979 | $270.88 | 11.3% |
| 1980 | $307.45 | 13.5% |
| 1981 | $339.36 | 10.4% |
| 1982 | $360.26 | 6.2% |
| 1983 | $371.64 | 3.2% |
| 1984 | $387.87 | 4.4% |
| 1985 | $401.55 | 3.5% |
| 1986 | $409.36 | 1.9% |
1955–1985 · 1955–1987 · All years
$100 in 1955 had about the same buying power as $409.36 in 1986, based on US consumer price index data.
About 4.65% per year, compounding to a 309.4% total rise in prices over 31 years.
1980 saw the largest annual rise in the index (13.5%); the lowest was 1959 (0.9%).