U.S. inflation rate in 1984: 4.32%

Inflation Calculator

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Inflation since 1984 and its effect on dollar value

The consumer price index (CPI) in 1984 was 103.9. It was 99.6 in the previous year. This change in CPI is used by the Bureau of Labor Statistics to calculate inflation.

According to the Bureau of Labor Statistics consumer price index, the dollar experienced an average inflation rate of 2.64% per year. Prices in 2018 are 142.2% higher than prices in 1984.

In other words, \$100 in 1984 is equivalent in purchasing power to \$242.15 in 2018, a difference of \$142.15 over 34 years.

The current inflation rate is now 2.80%1. If this number holds, \$100 today will be equivalent to \$102.80 next year. The current inflation rate page gives more detail on the latest official inflation rates.

 Cumulative price change 142.15% Average inflation rate 2.64% Converted amount (\$100 base) \$242.15 Price difference (\$100 base) \$142.15 CPI in 1984 103.9 CPI in 2018 251.59

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How to calculate the inflation rate for \$100 since 1984

This inflation calculator uses the following inflation rate formula:

CPI in 2018 / CPI in 1984 * 1984 USD value = 2018 USD value

Then plug in historical CPI values. The U.S. CPI was 103.9 in the year 1984 and 251.59 in 2018:

251.59 / 103.9 * \$100 = \$242.15

\$100 in 1984 has the same "purchasing power" or "buying power" as \$242.15 in 2018.

Here are calculations of buying power over time for \$100 in 1984 (price index tracking began in 1913). Each of these USD amounts below is equivalent in terms of what it could buy at the time:
Year USD Value Inflation Rate
1984 \$100.00 4.32%
1985 \$103.56 3.56%
1986 \$105.49 1.86%
1987 \$109.34 3.65%
1988 \$113.86 4.14%
1989 \$119.35 4.82%
1990 \$125.79 5.40%
1991 \$131.09 4.21%
1992 \$135.03 3.01%
1993 \$139.08 2.99%
1994 \$142.64 2.56%
1995 \$146.68 2.83%
1996 \$151.01 2.95%
1997 \$154.48 2.29%
1998 \$156.88 1.56%
1999 \$160.35 2.21%
2000 \$165.74 3.36%
2001 \$170.45 2.85%
2002 \$173.15 1.58%
2003 \$177.09 2.28%
2004 \$181.81 2.66%
2005 \$187.97 3.39%
2006 \$194.03 3.23%
2007 \$199.56 2.85%
2008 \$207.22 3.84%
2009 \$206.48 -0.36%
2010 \$209.87 1.64%
2011 \$216.50 3.16%
2012 \$220.98 2.07%
2013 \$224.21 1.46%
2014 \$227.85 1.62%
2015 \$228.12 0.12%
2016 \$231.00 1.26%
2017 \$235.60 1.99%
2018 \$242.15 2.78%*
* Not final. See inflation summary for latest details.

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

• Apple Computer Inc unveils the Macintosh personal computer.
• Virus causing AIDS (acquired immune deficiency syndrome) is identified as HTLV-III.
• Operation Blue Star took place as Indira Gandhi issued command to attack the Golden Temple, holiest site of Sikh's.
• Indira Gandhi orders an attack on the Golden temple, one of the holiest sites in Sikh tradition, in an operation now called Blue Star.
• A toxic leak in the Union Carbide factory kills 2,259 people, a further 500,000 are injured.

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 1984 | Inflation Calculator.” U.S. Official Inflation Data, Alioth Finance, 15 Jun. 2018, https://www.officialdata.org/inflation-rate-in-1984.