U.S. inflation · 1971–2020

Value of $100 in 1971, adjusted to 2020

$100 in 1971 has the same buying power as

$639

in 2020

$100$370$63919711983199620082020$100 · 1971$639 · 2020
Detailed inflation statistics
Cumulative price change539.0%
Average inflation rate3.86% per year
Converted amount ($100 base)$639
Price difference ($100 base)$539
CPI in 197140.5
CPI in 2020258.811
Inflation in 19714.38%
Inflation in 20201.23%
$100 in 19712020$639
$100 in 20201971$15.65

What happened to prices between 1971 and 2020

Between 1971 and 2020, the Consumer Price Index went from 40.5 to 258.811. Cumulatively, prices increased 539.0%, which works out to an average of 3.86% per year. Put differently, a dollar in 1971 bought what $0.16 buys in 2020.

Common amounts: 1971 dollars in 2020

Amount in 1971Value in 2020
$1.00$6.39
$5.00$31.95
$10.00$63.90
$20.00$128
$50.00$320
$100$639
$500$3,195
$1,000$6,390
$5,000$31,952
$10,000$63,904
$100,000$639,040
$1,000,000$6,390,395

Inflation by spending category, 1971–2020

The headline number is an average. Individual categories moved very differently over this period. Here is what $100 of 1971 spending costs in 2020, by category:

Category Avg. yearly inflation $100 in 1971 →
All items (CPI-U) 3.86% $639
Medical care 5.59% $1,437
Energy 4.18% $743
Housing 4.10% $715
Food 3.93% $661
Core (all items less food & energy) 3.82% $627
Transportation 3.38% $510
Apparel 1.35% $193

Not shown because the BLS began these indexes after 1971: recreation (1993–), education & communication (1993–).

Year by year: CPI and the value of $100 from 1971

Year CPI Inflation rate $100 from 1971
1971 40.5 4.4% $100
1973 44.4 6.2% $110
1975 53.8 9.1% $133
1977 60.6 6.5% $150
1979 72.6 11.3% $179
1981 90.9 10.3% $224
1983 99.6 3.2% $246
1985 107.6 3.6% $266
1987 113.6 3.6% $280
1989 124 4.8% $306
1991 136.2 4.2% $336
1993 144.5 3.0% $357
1995 152.4 2.8% $376
1997 160.5 2.3% $396
1999 166.6 2.2% $411
2001 177.1 2.8% $437
2003 184 2.3% $454
2005 195.3 3.4% $482
2007 207.342 2.8% $512
2009 214.537 -0.4% $530
2011 224.939 3.2% $555
2013 232.957 1.5% $575
2015 237.017 0.1% $585
2017 245.12 2.1% $605
2019 255.657 1.8% $631
2020 258.811 1.2% $639

Long periods are sampled every 2 years; the calculator above covers any pair of years.

Cite this page

MLA: “Inflation from 1971 to 2020: $100 is worth $639 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1971-to-2020/

APA: InflationCalculator.com. Inflation from 1971 to 2020. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1971-to-2020/

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.