$100 in 2005 → $125.51 in 2017

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U.S. Inflation Rate, $100 in 2005 to 2017

According to the Bureau of Labor Statistics consumer price index, prices in 2017 are 25.51% higher than prices in 2005. The dollar experienced an average inflation rate of 1.91% per year during this period.

In other words, $100 in 2005 is equivalent in purchasing power to $125.51 in 2017, a difference of $25.51 over 12 years.

The 2005 inflation rate was 3.39%. 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 2005 to 2017
Cumulative price change 25.51%
Average inflation rate 1.91%
Converted amount ($100 base) $125.51
Price difference ($100 base) $25.51
CPI in 2005 195.3
CPI in 2017 245.12
Inflation in 2005 3.39%
Inflation in 2017 2.13%


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

Buying power of $100 since 2005

This chart shows calculations of buying power equivalence over time for $100 in 2005 (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
2005 $100.00 3.39%
2006 $103.23 3.23%
2007 $106.17 2.85%
2008 $110.24 3.84%
2009 $109.85 -0.36%
2010 $111.65 1.64%
2011 $115.18 3.16%
2012 $117.56 2.07%
2013 $119.28 1.46%
2014 $121.22 1.62%
2015 $121.36 0.12%
2016 $122.89 1.26%
2017 $125.51 2.13%
2018 $129.11 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 2005 to 2017 (figures shown are purchasing power equivalents of $100):

San Diego, California experienced the highest rate of inflation during the 12 years between 2005 and 2017 (2.89%).

Detroit, Michigan experienced the lowest rate of inflation during the 12 years between 2005 and 2017 (1.45%).


Inflation by Country

Inflation can also vary widely by country. For comparison, in the UK £100.00 in 2005 would be equivalent to £141.90 in 2017, an absolute change of £41.90 and a cumulative change of 41.90%.

In Canada, CA$100.00 in 2005 would be equivalent to CA$121.19 in 2017, an absolute change of CA$21.19 and a cumulative change of 21.19%.

Compare these numbers to the US's overall absolute change of $25.51 and total percent change of 25.51%.


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 2005 and 2017.

Compare these values to the overall average of 1.91% per year:

Category Avg Inflation (%) Total Inflation (%) $100 in 2005 → 2017
Food 2.28 31.11 131.11
Shelter 2.39 32.70 132.70
Energy 1.22 15.60 115.60
Apparel 0.41 5.08 105.08
New vehicles 0.53 6.57 106.57
Used cars and trucks -0.07 -0.84 99.16
Transportation services 2.68 37.33 137.33
Medical care services 3.47 50.53 150.53
Medical care commodities 2.63 36.60 136.60

It's important to note that not all categories may be tracked since 2005. This table and visualization use the earliest available data for each category.



How to Calculate Inflation Rate for $100, 2005 to 2017

This inflation calculator uses the following inflation rate formula:

CPI in 2017CPI in 2005
×
2005 USD value
=
2017 USD value

Then plug in historical CPI values. The U.S. CPI was 195.3 in the year 2005 and 245.12 in 2017:

245.12195.3
×
$100
=
$125.51

$100 in 2005 has the same "purchasing power" or "buying power" as $125.51 in 2017.

To get the total inflation rate for the 12 years between 2005 and 2017, we use the following formula:

CPI in 2017 - CPI in 2005CPI in 2005
×
100
=
Cumulative inflation rate (12 years)

Plugging in the values to this equation, we get:

245.12 - 195.3195.3
×
100
=
26%

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 2005 and 2017 (vs all-CPI inflation of 1.91%), for an inflation total of 25.54%.

When using the core inflation measurement, $100 in 2005 is equivalent in buying power to $125.54 in 2017, a difference of $25.54. Recall that for All Items, the converted amount is $125.51 with a difference of $25.51.

In 2005, core inflation was 2.15%.

Chained CPI is an alternative measurement that takes into account how consumers adjust spending for similar items. Chained inflation averaged 1.69% per year between 2005 and 2017, a total inflation amount of 25.54%.

According to the Chained CPI measurement, $100 in 2005 is equal in buying power to $122.29 in 2017, a difference of $22.29 (versus a converted amount of $125.51/change of $25.51 for All Items).

In 2005, chained inflation was 2.92%.


Comparison to S&P 500 Index

The average inflation rate of 1.91% during these years has a compounding effect. As noted above, this yearly inflation rate produces an overall price difference of 25.51% over 12 years.

To help put this inflation into perspective, if you had invested $100 in the S&P 500 index in 2005, your investment would be worth approximately $307.39 in 2017. This is a change of 207.39%.

This means the nominal return on a $100 investment is $207.39, but inflation would eat into your real returns.

Inflation would account for 20.32% of your returns ($42.15), for an inflation-adjusted real return of about $165.24.


News headlines from 2005

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

  • Egyptian President Hosni Mubarak asks Parliament to amend Article 76 and orders constitutional changes in order to allow multi-candidate presidential elections.
  • Syria's 29-year-long military domination of Lebanon ends, after it withdraws the last of its 14,000 troops under international pressure.
  • A coordinated bomb attack hits London's public transport system, during the morning rush hour, killing 52 and injuring a further 700 people.
  • Angela Merkel becomes first female Chancellor of Germany.

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 2005 → 2017 | Inflation Calculator.” U.S. Official Inflation Data, Alioth Finance, 16 Oct. 2018, https://www.officialdata.org/2005-dollars-in-2017?amount=100.

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


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