U.S. inflation · 1956–1991
$100 in 1956 has the same buying power as
$501
in 1991
| Cumulative price change | 400.7% |
|---|---|
| Average inflation rate | 4.71% per year |
| Converted amount ($100 base) | $501 |
| Price difference ($100 base) | $401 |
| CPI in 1956 | 27.2 |
| CPI in 1991 | 136.2 |
| Inflation in 1956 | 1.49% |
| Inflation in 1991 | 4.21% |
| $100 in 1956 → 1991 | $501 |
| $100 in 1991 → 1956 | $19.97 |
Between 1956 and 1991, the Consumer Price Index went from 27.2 to 136.2. Cumulatively, prices increased 400.7%, which works out to an average of 4.71% per year. Put differently, a dollar in 1956 bought what $0.20 buys in 1991.
| Amount in 1956 | Value in 1991 |
|---|---|
| $1.00 | $5.01 |
| $5.00 | $25.04 |
| $10.00 | $50.07 |
| $20.00 | $100 |
| $50.00 | $250 |
| $100 | $501 |
| $500 | $2,504 |
| $1,000 | $5,007 |
| $5,000 | $25,037 |
| $10,000 | $50,074 |
| $100,000 | $500,735 |
| $1,000,000 | $5,007,353 |
The headline number is an average. Individual categories moved very differently over this period. Here is what $100 of 1956 spending costs in 1991, by category:
| Category | Avg. yearly inflation | $100 in 1956 → |
|---|---|---|
| All items (CPI-U) | 4.71% | $501 |
| Medical care | 6.60% | $937 |
| Food | 4.63% | $487 |
| Transportation | 4.54% | $473 |
| Apparel | 3.13% | $295 |
Not shown because the BLS began these indexes after 1956: core (all items less food & energy) (1957–), energy (1957–), housing (1967–), recreation (1993–), education & communication (1993–).
| Year | CPI | Inflation rate | $100 from 1956 |
|---|---|---|---|
| 1956 | 27.2 | 1.5% | $100 |
| 1958 | 28.9 | 2.8% | $106 |
| 1960 | 29.6 | 1.7% | $109 |
| 1962 | 30.2 | 1.0% | $111 |
| 1964 | 31 | 1.3% | $114 |
| 1966 | 32.4 | 2.9% | $119 |
| 1968 | 34.8 | 4.2% | $128 |
| 1970 | 38.8 | 5.7% | $143 |
| 1972 | 41.8 | 3.2% | $154 |
| 1974 | 49.3 | 11.0% | $181 |
| 1976 | 56.9 | 5.8% | $209 |
| 1978 | 65.2 | 7.6% | $240 |
| 1980 | 82.4 | 13.5% | $303 |
| 1982 | 96.5 | 6.2% | $355 |
| 1984 | 103.9 | 4.3% | $382 |
| 1986 | 109.6 | 1.9% | $403 |
| 1988 | 118.3 | 4.1% | $435 |
| 1990 | 130.7 | 5.4% | $481 |
| 1991 | 136.2 | 4.2% | $501 |
Long periods are sampled every 2 years; the calculator above covers any pair of years.
MLA: “Inflation from 1956 to 1991: $100 is worth $501 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1956-to-1991/
APA: InflationCalculator.com. Inflation from 1956 to 1991. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1956-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.