Between 1991 and 2011, the Consumer Price Index went from 136.2 to 224.939.
Cumulatively, prices increased 65.2%, which works out to an average of
2.54% per year. Put differently, a dollar in 1991 bought what
$0.61 buys in 2011.
Common amounts: 1991 dollars in 2011
Amount in 1991
Value in 2011
$1.00
$1.65
$5.00
$8.26
$10.00
$16.52
$20.00
$33.03
$50.00
$82.58
$100
$165
$500
$826
$1,000
$1,652
$5,000
$8,258
$10,000
$16,515
$100,000
$165,153
$1,000,000
$1,651,535
Inflation by spending category, 1991–2011
The headline number is an average. Individual categories moved very differently over this
period. Here is what $100 of 1991 spending costs in 2011, by category:
Category
Avg. yearly inflation
$100 in 1991 →
All items (CPI-U)
2.54%
$165
Energy
4.43%
$238
Medical care
4.16%
$226
Transportation
2.73%
$172
Food
2.60%
$167
Housing
2.50%
$164
Core (all items less food & energy)
2.32%
$158
Apparel
-0.26%
$94.88
Not shown because the BLS began these indexes after 1991: recreation (1993–), education & communication (1993–).
MLA: “Inflation from 1991 to 2011: $100 is worth $165 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1991-to-2011/
APA: InflationCalculator.com. Inflation from 1991 to 2011. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1991-to-2011/