U.S. inflation · 1973–1991
$100 in 1973 has the same buying power as
$307
in 1991
| Cumulative price change | 206.8% |
|---|---|
| Average inflation rate | 6.43% per year |
| Converted amount ($100 base) | $307 |
| Price difference ($100 base) | $207 |
| CPI in 1973 | 44.4 |
| CPI in 1991 | 136.2 |
| Inflation in 1973 | 6.22% |
| Inflation in 1991 | 4.21% |
| $100 in 1973 → 1991 | $307 |
| $100 in 1991 → 1973 | $32.60 |
Between 1973 and 1991, the Consumer Price Index went from 44.4 to 136.2. Cumulatively, prices increased 206.8%, which works out to an average of 6.43% per year. Put differently, a dollar in 1973 bought what $0.33 buys in 1991.
| Amount in 1973 | Value in 1991 |
|---|---|
| $1.00 | $3.07 |
| $5.00 | $15.34 |
| $10.00 | $30.68 |
| $20.00 | $61.35 |
| $50.00 | $153 |
| $100 | $307 |
| $500 | $1,534 |
| $1,000 | $3,068 |
| $5,000 | $15,338 |
| $10,000 | $30,676 |
| $100,000 | $306,757 |
| $1,000,000 | $3,067,568 |
The headline number is an average. Individual categories moved very differently over this period. Here is what $100 of 1973 spending costs in 1991, by category:
| Category | Avg. yearly inflation | $100 in 1973 → |
|---|---|---|
| All items (CPI-U) | 6.43% | $307 |
| Medical care | 8.80% | $456 |
| Energy | 7.18% | $349 |
| Housing | 6.75% | $324 |
| Core (all items less food & energy) | 6.52% | $312 |
| Transportation | 6.30% | $300 |
| Food | 5.95% | $283 |
| Apparel | 3.90% | $199 |
Not shown because the BLS began these indexes after 1973: recreation (1993–), education & communication (1993–).
| Year | CPI | Inflation rate | $100 from 1973 |
|---|---|---|---|
| 1973 | 44.4 | 6.2% | $100 |
| 1974 | 49.3 | 11.0% | $111 |
| 1975 | 53.8 | 9.1% | $121 |
| 1976 | 56.9 | 5.8% | $128 |
| 1977 | 60.6 | 6.5% | $136 |
| 1978 | 65.2 | 7.6% | $147 |
| 1979 | 72.6 | 11.3% | $164 |
| 1980 | 82.4 | 13.5% | $186 |
| 1981 | 90.9 | 10.3% | $205 |
| 1982 | 96.5 | 6.2% | $217 |
| 1983 | 99.6 | 3.2% | $224 |
| 1984 | 103.9 | 4.3% | $234 |
| 1985 | 107.6 | 3.6% | $242 |
| 1986 | 109.6 | 1.9% | $247 |
| 1987 | 113.6 | 3.6% | $256 |
| 1988 | 118.3 | 4.1% | $266 |
| 1989 | 124 | 4.8% | $279 |
| 1990 | 130.7 | 5.4% | $294 |
| 1991 | 136.2 | 4.2% | $307 |
MLA: “Inflation from 1973 to 1991: $100 is worth $307 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1973-to-1991/
APA: InflationCalculator.com. Inflation from 1973 to 1991. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1973-to-1991/
Source: U.S. Bureau of Labor Statistics, CPI-U annual averages (series CUUR0000SA0; category indexes listed on the data sources page). See how these numbers are calculated.