U.S. inflation · 1955–1966
$100 in 1955 has the same buying power as
$121
in 1966
| Cumulative price change | 20.9% |
|---|---|
| Average inflation rate | 1.74% per year |
| Converted amount ($100 base) | $121 |
| Price difference ($100 base) | $20.90 |
| CPI in 1955 | 26.8 |
| CPI in 1966 | 32.4 |
| Inflation in 1955 | -0.37% |
| Inflation in 1966 | 2.86% |
| $100 in 1955 → 1966 | $121 |
| $100 in 1966 → 1955 | $82.72 |
Between 1955 and 1966, the Consumer Price Index went from 26.8 to 32.4. Cumulatively, prices increased 20.9%, which works out to an average of 1.74% per year. Put differently, a dollar in 1955 bought what $0.83 buys in 1966.
| Amount in 1955 | Value in 1966 |
|---|---|
| $1.00 | $1.21 |
| $5.00 | $6.04 |
| $10.00 | $12.09 |
| $20.00 | $24.18 |
| $50.00 | $60.45 |
| $100 | $121 |
| $500 | $604 |
| $1,000 | $1,209 |
| $5,000 | $6,045 |
| $10,000 | $12,090 |
| $100,000 | $120,896 |
| $1,000,000 | $1,208,955 |
The headline number is an average. Individual categories moved very differently over this period. Here is what $100 of 1955 spending costs in 1966, by category:
| Category | Avg. yearly inflation | $100 in 1955 → |
|---|---|---|
| All items (CPI-U) | 1.74% | $121 |
| Medical care | 3.40% | $145 |
| Transportation | 2.06% | $125 |
| Food | 1.79% | $122 |
| Apparel | 1.22% | $114 |
Not shown because the BLS began these indexes after 1955: core (all items less food & energy) (1957–), energy (1957–), housing (1967–), recreation (1993–), education & communication (1993–).
| Year | CPI | Inflation rate | $100 from 1955 |
|---|---|---|---|
| 1955 | 26.8 | -0.4% | $100 |
| 1956 | 27.2 | 1.5% | $101 |
| 1957 | 28.1 | 3.3% | $105 |
| 1958 | 28.9 | 2.8% | $108 |
| 1959 | 29.1 | 0.7% | $109 |
| 1960 | 29.6 | 1.7% | $110 |
| 1961 | 29.9 | 1.0% | $112 |
| 1962 | 30.2 | 1.0% | $113 |
| 1963 | 30.6 | 1.3% | $114 |
| 1964 | 31 | 1.3% | $116 |
| 1965 | 31.5 | 1.6% | $118 |
| 1966 | 32.4 | 2.9% | $121 |
MLA: “Inflation from 1955 to 1966: $100 is worth $121 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1955-to-1966/
APA: InflationCalculator.com. Inflation from 1955 to 1966. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1955-to-1966/
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.