U.S. inflation rate in 1999: 2.21%

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Inflation since 1999 and its effect on dollar value

The consumer price index (CPI) in 1999 was 166.6. It was 163 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 2.19% per year. Prices in 2018 are 51.0% higher than prices in 1999.

In other words, $100 in 1999 is equivalent in purchasing power to $151.01 in 2018, a difference of $51.01 over 19 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.

Inflation from 1999 to 2018
Cumulative price change 51.01%
Average inflation rate 2.19%
Converted amount ($100 base) $151.01
Price difference ($100 base) $51.01
CPI in 1999 166.6
CPI in 2018 251.59


U.S. inflation from 1913 to 2018


Inflation rates for specific categories

Hospital services · Baby food · Wine at home · More

Inflation-adjusted measures

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

How to calculate the inflation rate for $100 since 1999

This inflation calculator uses the following inflation rate formula:

CPI in 2018 / CPI in 1999 * 1999 USD value = 2018 USD value

Then plug in historical CPI values. The U.S. CPI was 166.6 in the year 1999 and 251.59 in 2018:

251.59 / 166.6 * $100 = $151.01

$100 in 1999 has the same "purchasing power" or "buying power" as $151.01 in 2018.


Here are calculations of buying power over time for $100 in 1999 (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
1999 $100.00 2.21%
2000 $103.36 3.36%
2001 $106.30 2.85%
2002 $107.98 1.58%
2003 $110.44 2.28%
2004 $113.39 2.66%
2005 $117.23 3.39%
2006 $121.01 3.23%
2007 $124.45 2.85%
2008 $129.23 3.84%
2009 $128.77 -0.36%
2010 $130.89 1.64%
2011 $135.02 3.16%
2012 $137.81 2.07%
2013 $139.83 1.46%
2014 $142.10 1.62%
2015 $142.27 0.12%
2016 $144.06 1.26%
2017 $146.93 1.99%
2018 $151.01 2.78%*
* Not final. See inflation summary for latest details.

News headlines from 1999

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

  • NATO begins its bombardment of Yugoslavia in the Kosovo War marking the first time NATO attacked a sovereign country.
  • 13 killed, 24 injured in the Columbine High School Massacre.
  • Slobodan Milosevic and four others are indicted by the International Criminal Tribunal for former Yugoslavia, for war crimes and crimes against humanity committed in Kosovo.

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 1999 | Inflation Calculator.” U.S. Official Inflation Data, Alioth Finance, 14 Jun. 2018, https://www.officialdata.org/inflation-rate-in-1999.


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