4.21× price rise
Average US inflation: 5.68% a year over 26 years. Prices first doubled by 1978. Highest year: 1980 (13.5%). Lowest: 1965 (1.6%).
| 1964 | in 1990 | 1990 amount in 1964 money |
|---|---|---|
| $1 | $4.21 | $0.24 |
| $10 | $42.10 | $2.38 |
| $100 | $420.96 | $23.76 |
| $1,000 | $4,209.58 | $237.55 |
| $10,000 | $42,095.80 | $2,375.53 |
| $100,000 | $420,957.96 | $23,755.34 |
| Year | Value | Inflation |
|---|---|---|
| 1964 | $100.00 | |
| 1965 | $101.58 | 1.6% |
| 1966 | $104.62 | 3.0% |
| 1967 | $107.53 | 2.8% |
| 1968 | $112.09 | 4.2% |
| 1969 | $118.19 | 5.4% |
| 1970 | $125.14 | 5.9% |
| 1971 | $130.43 | 4.2% |
| 1972 | $134.70 | 3.3% |
| 1973 | $143.13 | 6.3% |
| 1974 | $158.89 | 11.0% |
| 1975 | $173.41 | 9.1% |
| 1976 | $183.43 | 5.8% |
| 1977 | $195.30 | 6.5% |
| 1978 | $210.20 | 7.6% |
| 1979 | $233.85 | 11.3% |
| 1980 | $265.42 | 13.5% |
| 1981 | $292.97 | 10.4% |
| 1982 | $311.01 | 6.2% |
| 1983 | $320.84 | 3.2% |
| 1984 | $334.85 | 4.4% |
| 1985 | $346.67 | 3.5% |
| 1986 | $353.41 | 1.9% |
| 1987 | $366.05 | 3.6% |
| 1988 | $381.06 | 4.1% |
| 1989 | $399.32 | 4.8% |
| 1990 | $420.96 | 5.4% |
1964–1989 · 1964–1991 · All years
$100 in 1964 had about the same buying power as $420.96 in 1990, based on US consumer price index data.
About 5.68% per year, compounding to a 321.0% total rise in prices over 26 years.
1980 saw the largest annual rise in the index (13.5%); the lowest was 1965 (1.6%).