2.01× price rise
Average US inflation: 3.55% a year over 20 years. Prices first doubled by 1975. Highest year: 1974 (11.0%). Lowest: 1959 (0.9%).
| 1955 | in 1975 | 1975 amount in 1955 money |
|---|---|---|
| $1 | $2.01 | $0.50 |
| $10 | $20.09 | $4.98 |
| $100 | $200.87 | $49.78 |
| $1,000 | $2,008.71 | $497.83 |
| $10,000 | $20,087.08 | $4,978.32 |
| $100,000 | $200,870.78 | $49,783.25 |
| 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% |
1955–1974 · 1955–1976 · All years
$100 in 1955 had about the same buying power as $200.87 in 1975, based on US consumer price index data.
About 3.55% per year, compounding to a 100.9% total rise in prices over 20 years.
1974 saw the largest annual rise in the index (11.0%); the lowest was 1959 (0.9%).