What is $100 in 1979 worth in 1984?

$100 in 1979 has the purchasing power of about $143 in 1984, based on the Consumer Price Index (CPI-U).

What was the average inflation rate between 1979 and 1984?

Prices rose 43.1% in total between 1979 and 1984, an average of 7.43% per year.

How much is $1 in 1979 worth today?

$1 in 1979 is equivalent to about $1.43 in 1984. Equivalently, a 1984 dollar buys what $0.70 bought in 1979.

U.S. inflation · 1979–1984

Value of $100 in 1979, adjusted to 1984

Amount From year To year

$100 in 1979 has the same buying power as

$143

in 1984

Detailed inflation statistics
Cumulative price change	43.1%
Average inflation rate	7.43% per year
Converted amount ($100 base)	$143
Price difference ($100 base)	$43.11
CPI in 1979	72.6
CPI in 1984	103.9
Inflation in 1979	11.35%
Inflation in 1984	4.32%
$100 in 1979 → 1984	$143
$100 in 1984 → 1979	$69.87

What happened to prices between 1979 and 1984

Between 1979 and 1984, the Consumer Price Index went from 72.6 to 103.9. Cumulatively, prices increased 43.1%, which works out to an average of 7.43% per year. Put differently, a dollar in 1979 bought what $0.70 buys in 1984.

Common amounts: 1979 dollars in 1984

Amount in 1979	Value in 1984
$1.00	$1.43
$5.00	$7.16
$10.00	$14.31
$20.00	$28.62
$50.00	$71.56
$100	$143
$500	$716
$1,000	$1,431
$5,000	$7,156
$10,000	$14,311
$100,000	$143,113
$1,000,000	$1,431,129

Inflation by spending category, 1979–1984

The headline number is an average. Individual categories moved very differently over this period. Here is what $100 of 1979 spending costs in 1984, by category:

Category	Avg. yearly inflation	$100 in 1979 →
All items (CPI-U)	7.43%	$143
Medical care	9.61%	$158
Energy	8.96%	$154
Housing	8.13%	$148
Transportation	8.02%	$147
Core (all items less food & energy)	7.79%	$145
Food	5.25%	$129
Apparel	3.76%	$120

Not shown because the BLS began these indexes after 1979: recreation (1993–), education & communication (1993–).

Year by year: CPI and the value of $100 from 1979

Year	CPI	Inflation rate	$100 from 1979
1979	72.6	11.3%	$100
1980	82.4	13.5%	$113
1981	90.9	10.3%	$125
1982	96.5	6.2%	$133
1983	99.6	3.2%	$137
1984	103.9	4.3%	$143

Cite this page

MLA: “Inflation from 1979 to 1984: $100 is worth $143 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1979-to-1984/

APA: InflationCalculator.com. Inflation from 1979 to 1984. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1979-to-1984/

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.