Between 1971 and 1981, the Consumer Price Index went from 40.5 to 90.9.
Cumulatively, prices increased 124.4%, which works out to an average of
8.42% per year. Put differently, a dollar in 1971 bought what
$0.45 buys in 1981.
Common amounts: 1971 dollars in 1981
Amount in 1971
Value in 1981
$1.00
$2.24
$5.00
$11.22
$10.00
$22.44
$20.00
$44.89
$50.00
$112
$100
$224
$500
$1,122
$1,000
$2,244
$5,000
$11,222
$10,000
$22,444
$100,000
$224,444
$1,000,000
$2,244,444
Inflation by spending category, 1971–1981
The headline number is an average. Individual categories moved very differently over this
period. Here is what $100 of 1971 spending costs in 1981, by category:
Category
Avg. yearly inflation
$100 in 1971 →
All items (CPI-U)
8.42%
$224
Energy
13.94%
$369
Housing
9.05%
$238
Transportation
8.96%
$236
Food
8.77%
$232
Medical care
8.67%
$230
Core (all items less food & energy)
7.64%
$209
Apparel
4.55%
$156
Not shown because the BLS began these indexes after 1971: recreation (1993–), education & communication (1993–).
1981 was the year the inflation fever finally broke, at an extraordinary price.
Consumer prices rose 10.3%, the second year of back-to-back double-digit
inflation and the last time the U.S. would see one. To end it, Paul Volcker’s
Federal Reserve drove its policy rate above 19% and let borrowing costs go
where they may: a 30-year mortgage cost more than 18% by autumn, car loans and
business credit froze, and homebuilders mailed the Fed two-by-fours in protest.
The squeeze tipped the economy into recession in July, the deep 1981–82
downturn that would push unemployment past 10%. But it worked. Inflation fell
by nearly half within a year and to under 4% by 1983, the disinflation that
defined the following two decades. Even the price of mailing a letter told the
year’s story: postage went up twice in eight months.
MLA: “Inflation from 1971 to 1981: $100 is worth $224 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1971-to-1981/
APA: InflationCalculator.com. Inflation from 1971 to 1981. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1971-to-1981/