$100 in 2009 → $125.18 in 2020

Australia Inflation Calculator

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Australian Inflation Rate, $100 from 2009 to 2020

According to the Bureau of Statistics consumer price index, today's prices in 2020 are 25.18% higher than average prices since 2009. The Australian dollar experienced an average inflation rate of 2.06% per year during this period, meaning the real value of a dollar decreased.

In other words, $100 in 2009 is equivalent in purchasing power to about $125.18 in 2020, a difference of $25.18 over 11 years.

The 2009 inflation rate was 1.74%. The current inflation rate (2019 to 2020) is now 1.90%1. If this number holds, $100 today will be equivalent in buying power to $101.90 next year.


Inflation from 2009 to 2020
Cumulative price change 25.18%
Average inflation rate 2.06%
Converted amount ($100 base) $125.18
Price difference ($100 base) $25.18
CPI in 2009 93.400
CPI in 2020 116.919
Inflation in 2009 1.74%
Inflation in 2020 1.90%

AUD Inflation since 1922
Annual Rate, the Bureau of Statistics CPI
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Buying power of $100 in 2009

This chart shows a calculation of buying power equivalence for $100 in 2009 (price index tracking began in 1922).

For example, if you started with $100, you would need to end with $125.18 in order to "adjust" for inflation (sometimes refered to as "beating inflation").

When $100 is equivalent to $125.18 over time, that means that the "real value" of a single Australian dollar decreases over time. In other words, a dollar will pay for fewer items at the store.

This effect explains how inflation erodes the value of a dollar over time. By calculating the value in 2009 dollars, the chart below shows how $100 buys less over the past 11 years.

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

Year Dollar Value Inflation Rate
2009 $100.00 1.74%
2010 $102.89 2.89%
2011 $106.32 3.33%
2012 $108.14 1.71%
2013 $110.81 2.48%
2014 $113.60 2.51%
2015 $115.31 1.51%
2016 $116.81 1.30%
2017 $119.06 1.92%
2018 $120.56 1.26%
2019 $122.85 1.90%
2020 $125.18 1.90%*
* Compared to previous annual rate. Not final. See inflation summary for latest 12-month trailing value.
Click to show 5 more rows

How to Calculate Inflation Rate for $100 since 2009

This inflation calculator uses the following inflation rate formula:

CPI in 2020CPI in 2009
×
2009 AUD value
=
2020 AUD value

Then plug in historical CPI values. The Australian CPI was 93.4 in the year 2009 and 116.91944859999998 in 2020:

116.9194485999999893.4
×
$100
=
$125.18

$100 in 2009 has the same "purchasing power" or "buying power" as $125.18 in 2020.

To get the total inflation rate for the 11 years between 2009 and 2020, we use the following formula:

CPI in 2020 - CPI in 2009CPI in 2009
×
100
=
Cumulative inflation rate (11 years)

Plugging in the values to this equation, we get:

116.91944859999998 - 93.493.4
×
100
=
25%

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 government of Australia's annual (CPI) as provided by the Reserve Bank of Australia. The consumer price index was established in 1922 and is tracked by Australian Bureau of Statistics (ABS).

You may use the following MLA citation for this page: “2009 dollars in 2020 | Australia Inflation Calculator.” Official Inflation Data, Alioth Finance, 23 Feb. 2020, https://www.officialdata.org/australia/inflation/2009?amount=&startYear=&future_pct=.

Special thanks to QuickChart for providing downloadable chart images.

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


Ian Webster

About the author

Ian Webster is an engineer and data expert based in San Mateo, California. He has worked for Google, NASA, and consulted for governments around the world on data pipelines and data analysis. Disappointed by the lack of clear resources on the impacts of inflation on economic indicators, Ian believes this website serves as a valuable public tool. Ian earned his degree in Computer Science from Dartmouth College.

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Inflation from 2009 to 2020
Cumulative price change 25.18%
Average inflation rate 2.06%
Converted amount ($100 base) $125.18
Price difference ($100 base) $25.18
CPI in 2009 93.400
CPI in 2020 116.919
Inflation in 2009 1.74%
Inflation in 2020 1.90%