U.S. inflation rate in 1991: 4.21%

Inflation Calculator


U.S. Inflation Rate, 1991-2018 ($1)

The consumer price index (CPI) in 1991 was 136.2. the Bureau of Labor Statistics uses this CPI value to track inflation on a monthly basis.

According to the Bureau of Labor Statistics consumer price index, the dollar experienced an average inflation rate of 2.26% per year. Prices in 2018 are 83.0% higher than prices in 1991.

In other words, $1 in the year 1991 is equivalent in purchasing power to $1.83 in 2018, a difference of $0.83 over 27 years.

The current inflation rate in 2018 is 1.72%1. If this number holds, $1 today will be equivalent to $1.02 next year.

Inflation from 1991 to 2018
Cumulative price change 83.00%
Average inflation rate 2.26%
Price difference ($1 base) $0.83
CPI in 1991 136.2
CPI in 2018 248.991

U.S. inflation from 1913 to 2017

Inflation rates for specific categories

Hospital services · Wireless telephone services · Medical care · More

Inflation-adjusted measures

S&P 500 price · S&P 500 earnings · Shiller P/E

How to calculate the inflation rate for $1 since 1991

Start with the inflation rate formula:

CPI in 2018 / CPI in 1991 * 1991 USD value = 2018 USD value

Then plug in historical CPI values. The U.S. CPI was 136.2 in the year 1991 and 248.991 in 2018:

248.991 / 136.2 * $1 = $1.83

$1 in 1991 has the same "purchasing power" as $1.83 in 2018.

News headlines from 1991

Politics and news often influence economic performance. Here's what was happening at the time:

  • The IRA launch a bomb attack on Downing Street, during a cabinet meeting.
  • America liberates Kuwait signalling the end of the first Gulf War.
  • Tim Berners-Lee releases files that describe the idea of the World Wide Web.
  • Pablo Escobar, a Colombian drug lord, surrenders to the police.
  • Boris Yeltsin becomes the first elected president of Russia.

Inflation Data Source

Raw data for these calculations comes from the Bureau of Labor Statistics' (CPI), established in 1913. Inflation data from 1665 to 1912 is sourced from a historical study conducted by political science professor Robert Sahr at Oregon State University.

You may use the following MLA citation for this page: “Inflation Rate in 1991 | Inflation Calculator.” FinanceRef Inflation Calculator, Alioth Finance, 17 Apr. 2018, http://www.in2013dollars.com/inflation-rate-in-1991.

» Read more about inflation.