$20 in 2001 → $28.46 in 2018

Inflation Calculator

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U.S. Inflation Rate, $20 in 2001 to 2018

According to the Bureau of Labor Statistics consumer price index, prices in 2018 are 42.30% higher than prices in 2001. The dollar experienced an average inflation rate of 2.95% per year during this period.

In other words, $20 in 2001 is equivalent in purchasing power to $28.46 in 2018, a difference of $8.46 over 17 years.

The 2001 inflation rate was 2.85%. The current inflation rate (2017 to 2018) is now 2.95%1. If this number holds, $20 today will be equivalent to $20.59 next year. The current inflation rate page gives more detail on the latest official inflation rates.


Inflation from 2001 to 2018
Cumulative price change 42.30%
Average inflation rate 2.95%
Converted amount ($20 base) $28.46
Price difference ($20 base) $8.46
CPI in 2001 177.1
CPI in 2018 252.006
Inflation in 2001 2.85%
Inflation in 2018 2.95%


U.S. Inflation since 1913
Annual Rate, U.S. Bureau of Labor Statistics CPI

Buying power of $20 since 2001

This chart shows calculations of buying power equivalence over time for $20 in 2001 (price index tracking began in 1635).

According to the Bureau of Labor Statistics, each of these USD amounts below is equal in terms of what it could buy at the time:

Year USD Value Inflation Rate
2001 $20.00 2.85%
2002 $20.32 1.58%
2003 $20.78 2.28%
2004 $21.33 2.66%
2005 $22.06 3.39%
2006 $22.77 3.23%
2007 $23.42 2.85%
2008 $24.31 3.84%
2009 $24.23 -0.36%
2010 $24.63 1.64%
2011 $25.40 3.16%
2012 $25.93 2.07%
2013 $26.31 1.46%
2014 $26.73 1.62%
2015 $26.77 0.12%
2016 $27.10 1.26%
2017 $27.68 2.13%
2018 $28.46 2.81%*
* Compared to previous annual rate. Not final. See inflation summary for latest 12-month trailing value.

Inflation by City

Inflation can vary widely by city, even within the United States. Here's how some cities fared in 2001 to 2018 (figures shown are purchasing power equivalents of $20):

San Diego, California experienced the highest rate of inflation during the 17 years between 2001 and 2018 (3.66%).

Detroit, Michigan experienced the lowest rate of inflation during the 17 years between 2001 and 2018 (1.67%).


Inflation by Country

Inflation can also vary widely by country. For comparison, in the UK £20.00 in 2001 would be equivalent to £32.13 in 2018, an absolute change of £12.13 and a cumulative change of 60.64%.

In Canada, CA$20.00 in 2001 would be equivalent to CA$27.37 in 2018, an absolute change of CA$7.37 and a cumulative change of 36.86%.

Compare these numbers to the US's overall absolute change of $8.46 and total percent change of 42.30%.


Inflation by Spending Category

CPI is the weighted combination of many categories of spending that are tracked by the government. This chart shows the average rate of inflation for select CPI categories between 2001 and 2018.

Compare these values to the overall average of 2.9495150866471143% per year:

Category Avg Inflation (%) Total Inflation (%) $20 in 2001 → 2018
Food 2.26 46.11 29.22
Shelter 2.51 52.43 30.49
Energy 3.15 69.53 33.91
Apparel -0.05 -0.84 19.83
New vehicles 0.18 3.13 20.63
Used cars and trucks -0.80 -12.71 17.46
Transportation services 2.76 58.88 31.78
Medical care services 3.70 85.31 37.06
Medical care commodities 2.59 54.38 30.88

It's important to note that not all categories may be tracked since 2001. This table and visualization use the earliest available data for each category.



How to Calculate Inflation Rate for $20 since 2001

This inflation calculator uses the following inflation rate formula:

CPI in 2018CPI in 2001
×
2001 USD value
=
2018 USD value

Then plug in historical CPI values. The U.S. CPI was 177.1 in the year 2001 and 252.006 in 2018:

252.006177.1
×
$20
=
$28.46

$20 in 2001 has the same "purchasing power" or "buying power" as $28.46 in 2018.

To get the total inflation rate for the 17 years between 2001 and 2018, we use the following formula:

CPI in 2018 - CPI in 2001CPI in 2001
×
100
=
Cumulative inflation rate (17 years)

Plugging in the values to this equation, we get:

252.006 - 177.1177.1
×
100
=
42%

Alternate Measurements of Inflation

The above data describe the CPI for all items. Also of note is the Core CPI, which measures inflation for all items except for the more volatile categories of food and energy. Core inflation averaged 1.91% per year between 2001 and 2018 (vs all-CPI inflation of 2.9495150866471143%), for an inflation total of 37.83%.

When using the core inflation measurement, $20 in 2001 is equivalent in buying power to $27.57 in 2018, a difference of $7.57. Recall that for All Items, the converted amount is $28.46 with a difference of $8.46.

In 2001, core inflation was 2.67%.

Chained CPI is an alternative measurement that takes into account how consumers adjust spending for similar items. Chained inflation averaged 1.82% per year between 2001 and 2018, a total inflation amount of 37.83%.

According to the Chained CPI measurement, $20 in 2001 is equal in buying power to $27.17 in 2018, a difference of $7.17 (versus a converted amount of $28.46/change of $8.46 for All Items).

In 2001, chained inflation was 2.26%.


News headlines from 2001

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

  • The Netherlands becomes the first country to legalize same sex marriage.
  • Two passenger planes are hijacked by terrorists who then crash them into New York's Twin Towers, killing 2,752 people.
  • Another plane is crashed into the Pentagon killing 125 people.
  • George W Bush establishes The Department of Homeland Security.

Data Source & Citation

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: “$20 in 2001 → 2018 | Inflation Calculator.” U.S. Official Inflation Data, Alioth Finance, 14 Aug. 2018, https://www.officialdata.org/2001-dollars-in-2018?amount=20.


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