Between 1979 and 1991, the Consumer Price Index went from 72.6 to 136.2.
Cumulatively, prices increased 87.6%, which works out to an average of
5.38% per year. Put differently, a dollar in 1979 bought what
$0.53 buys in 1991.
Common amounts: 1979 dollars in 1991
Amount in 1979
Value in 1991
$1.00
$1.88
$5.00
$9.38
$10.00
$18.76
$20.00
$37.52
$50.00
$93.80
$100
$188
$500
$938
$1,000
$1,876
$5,000
$9,380
$10,000
$18,760
$100,000
$187,603
$1,000,000
$1,876,033
Inflation by spending category, 1979–1991
The headline number is an average. Individual categories moved very differently over this
period. Here is what $100 of 1979 spending costs in 1991, by category:
Category
Avg. yearly inflation
$100 in 1979 →
All items (CPI-U)
5.38%
$188
Medical care
8.37%
$262
Core (all items less food & energy)
5.84%
$198
Housing
5.52%
$191
Transportation
4.80%
$176
Food
4.55%
$171
Energy
3.78%
$156
Apparel
3.53%
$152
Not shown because the BLS began these indexes after 1979: recreation (1993–), education & communication (1993–).
MLA: “Inflation from 1979 to 1991: $100 is worth $188 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1979-to-1991/
APA: InflationCalculator.com. Inflation from 1979 to 1991. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1979-to-1991/