2.00× price rise
Average US inflation: 5.96% a year over 12 years. Prices first doubled by 1990. Highest year: 1980 (13.5%). Lowest: 1986 (1.9%).
| 1978 | in 1990 | 1990 amount in 1978 money |
|---|---|---|
| $1 | $2.00 | $0.50 |
| $10 | $20.03 | $4.99 |
| $100 | $200.27 | $49.93 |
| $1,000 | $2,002.68 | $499.33 |
| $10,000 | $20,026.82 | $4,993.30 |
| $100,000 | $200,268.23 | $49,933.03 |
| Year | Value | Inflation |
|---|---|---|
| 1978 | $100.00 | |
| 1979 | $111.25 | 11.3% |
| 1980 | $126.27 | 13.5% |
| 1981 | $139.38 | 10.4% |
| 1982 | $147.96 | 6.2% |
| 1983 | $152.64 | 3.2% |
| 1984 | $159.31 | 4.4% |
| 1985 | $164.93 | 3.5% |
| 1986 | $168.13 | 1.9% |
| 1987 | $174.15 | 3.6% |
| 1988 | $181.29 | 4.1% |
| 1989 | $189.97 | 4.8% |
| 1990 | $200.27 | 5.4% |
1978–1989 · 1978–1991 · All years
$100 in 1978 had about the same buying power as $200.27 in 1990, based on US consumer price index data.
About 5.96% per year, compounding to a 100.3% total rise in prices over 12 years.
1980 saw the largest annual rise in the index (13.5%); the lowest was 1986 (1.9%).