U.S. inflation · 1970–1999
$100 in 1970 has the same buying power as
$429
in 1999
| Cumulative price change | 329.4% |
|---|---|
| Average inflation rate | 5.15% per year |
| Converted amount ($100 base) | $429 |
| Price difference ($100 base) | $329 |
| CPI in 1970 | 38.8 |
| CPI in 1999 | 166.6 |
| Inflation in 1970 | 5.72% |
| Inflation in 1999 | 2.21% |
| $100 in 1970 → 1999 | $429 |
| $100 in 1999 → 1970 | $23.29 |
Between 1970 and 1999, the Consumer Price Index went from 38.8 to 166.6. Cumulatively, prices increased 329.4%, which works out to an average of 5.15% per year. Put differently, a dollar in 1970 bought what $0.23 buys in 1999.
| Amount in 1970 | Value in 1999 |
|---|---|
| $1.00 | $4.29 |
| $5.00 | $21.47 |
| $10.00 | $42.94 |
| $20.00 | $85.88 |
| $50.00 | $215 |
| $100 | $429 |
| $500 | $2,147 |
| $1,000 | $4,294 |
| $5,000 | $21,469 |
| $10,000 | $42,938 |
| $100,000 | $429,381 |
| $1,000,000 | $4,293,814 |
The headline number is an average. Individual categories moved very differently over this period. Here is what $100 of 1970 spending costs in 1999, by category:
| Category | Avg. yearly inflation | $100 in 1970 → |
|---|---|---|
| All items (CPI-U) | 5.15% | $429 |
| Medical care | 7.13% | $737 |
| Housing | 5.33% | $450 |
| Core (all items less food & energy) | 5.19% | $434 |
| Food | 5.06% | $419 |
| Energy | 5.06% | $418 |
| Transportation | 4.76% | $385 |
| Apparel | 2.78% | $222 |
Not shown because the BLS began these indexes after 1970: recreation (1993–), education & communication (1993–).
| Year | CPI | Inflation rate | $100 from 1970 |
|---|---|---|---|
| 1970 | 38.8 | 5.7% | $100 |
| 1971 | 40.5 | 4.4% | $104 |
| 1972 | 41.8 | 3.2% | $108 |
| 1973 | 44.4 | 6.2% | $114 |
| 1974 | 49.3 | 11.0% | $127 |
| 1975 | 53.8 | 9.1% | $139 |
| 1976 | 56.9 | 5.8% | $147 |
| 1977 | 60.6 | 6.5% | $156 |
| 1978 | 65.2 | 7.6% | $168 |
| 1979 | 72.6 | 11.3% | $187 |
| 1980 | 82.4 | 13.5% | $212 |
| 1981 | 90.9 | 10.3% | $234 |
| 1982 | 96.5 | 6.2% | $249 |
| 1983 | 99.6 | 3.2% | $257 |
| 1984 | 103.9 | 4.3% | $268 |
| 1985 | 107.6 | 3.6% | $277 |
| 1986 | 109.6 | 1.9% | $282 |
| 1987 | 113.6 | 3.6% | $293 |
| 1988 | 118.3 | 4.1% | $305 |
| 1989 | 124 | 4.8% | $320 |
| 1990 | 130.7 | 5.4% | $337 |
| 1991 | 136.2 | 4.2% | $351 |
| 1992 | 140.3 | 3.0% | $362 |
| 1993 | 144.5 | 3.0% | $372 |
| 1994 | 148.2 | 2.6% | $382 |
| 1995 | 152.4 | 2.8% | $393 |
| 1996 | 156.9 | 3.0% | $404 |
| 1997 | 160.5 | 2.3% | $414 |
| 1998 | 163 | 1.6% | $420 |
| 1999 | 166.6 | 2.2% | $429 |
MLA: “Inflation from 1970 to 1999: $100 is worth $429 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1970-to-1999/
APA: InflationCalculator.com. Inflation from 1970 to 1999. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1970-to-1999/
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.