$100 in 2009 → $114.26 in 2017

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U.S. Inflation Rate, $100 in 2009 to 2017

According to the Bureau of Labor Statistics consumer price index, prices in 2017 are 14.26% higher than prices in 2009. The dollar experienced an average inflation rate of 1.68% per year during this period.

In other words, $100 in 2009 is equivalent in purchasing power to $114.26 in 2017, a difference of $14.26 over 8 years.

The 2009 inflation rate was -0.36%. The inflation rate in 2017 was 2.13%. The 2017 inflation rate is lower compared to the average inflation rate of 2.87% per year between 2017 and 2018.


Inflation from 2009 to 2017
Cumulative price change 14.26%
Average inflation rate 1.68%
Converted amount ($100 base) $114.26
Price difference ($100 base) $14.26
CPI in 2009 214.537
CPI in 2017 245.12
Inflation in 2009 -0.36%
Inflation in 2017 2.13%


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

Buying power of $100 since 2009

This chart shows calculations of buying power equivalence over time for $100 in 2009 (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
2009 $100.00 -0.36%
2010 $101.64 1.64%
2011 $104.85 3.16%
2012 $107.02 2.07%
2013 $108.59 1.46%
2014 $110.35 1.62%
2015 $110.48 0.12%
2016 $111.87 1.26%
2017 $114.26 2.13%
2018 $117.53 2.87%*
* 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 2009 to 2017 (figures shown are purchasing power equivalents of $100):

San Francisco, California experienced the highest rate of inflation during the 8 years between 2009 and 2017 (2.58%).

Chicago, Illinois experienced the lowest rate of inflation during the 8 years between 2009 and 2017 (1.34%).


Inflation by Country

Inflation can also vary widely by country. For comparison, in the UK £100.00 in 2009 would be equivalent to £127.48 in 2017, an absolute change of £27.48 and a cumulative change of 27.48%.

In Canada, CA$100.00 in 2009 would be equivalent to CA$113.59 in 2017, an absolute change of CA$13.59 and a cumulative change of 13.59%.

Compare these numbers to the US's overall absolute change of $14.26 and total percent change of 14.26%.


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 2009 and 2017.

Compare these values to the overall average of 1.68% per year:

Category Avg Inflation (%) Total Inflation (%) $100 in 2009 → 2017
Food 1.73 14.73 114.73
Shelter 2.24 19.43 119.43
Energy 0.71 5.85 105.85
Apparel 0.56 4.61 104.61
New vehicles 1.01 8.38 108.38
Used cars and trucks 1.07 8.89 108.89
Transportation services 2.67 23.46 123.46
Medical care services 3.09 27.56 127.56
Medical care commodities 2.68 23.57 123.57

It's important to note that not all categories may be tracked since 2009. This table and visualization use the earliest available data for each category.



How to Calculate Inflation Rate for $100, 2009 to 2017

This inflation calculator uses the following inflation rate formula:

CPI in 2017CPI in 2009
×
2009 USD value
=
2017 USD value

Then plug in historical CPI values. The U.S. CPI was 214.537 in the year 2009 and 245.12 in 2017:

245.12214.537
×
$100
=
$114.26

$100 in 2009 has the same "purchasing power" or "buying power" as $114.26 in 2017.

To get the total inflation rate for the 8 years between 2009 and 2017, we use the following formula:

CPI in 2017 - CPI in 2009CPI in 2009
×
100
=
Cumulative inflation rate (8 years)

Plugging in the values to this equation, we get:

245.12 - 214.537214.537
×
100
=
14%

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 1.76% per year between 2009 and 2017 (vs all-CPI inflation of 1.68%), for an inflation total of 15.02%.

When using the core inflation measurement, $100 in 2009 is equivalent in buying power to $115.02 in 2017, a difference of $15.02. Recall that for All Items, the converted amount is $114.26 with a difference of $14.26.

In 2009, core inflation was 1.70%.

Chained CPI is an alternative measurement that takes into account how consumers adjust spending for similar items. Chained inflation averaged 1.46% per year between 2009 and 2017, a total inflation amount of 15.02%.

According to the Chained CPI measurement, $100 in 2009 is equal in buying power to $112.26 in 2017, a difference of $12.26 (versus a converted amount of $114.26/change of $14.26 for All Items).

In 2009, chained inflation was -0.47%.


News headlines from 2009

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

  • Barack Obama is inaugurated as the 44th President of the United States.
  • An arrest warrant is issued for Omar Hassan al-Bashir, Sudanese President, by International Criminal Court, for war crimes and crimes against humanity. This is the first time a sitting head of state was indicted.
  • Chrysler, an automotive company, files for bankruptcy.

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: “$100 in 2009 → 2017 | Inflation Calculator.” U.S. Official Inflation Data, Alioth Finance, 24 Sep. 2018, https://www.officialdata.org/2009-dollars-in-2017?amount=100.

in2013dollars.com is a reference website maintained by the Official Data Foundation.


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