Australian inflation rate in 2004: 2.28%

Australia Inflation Calculator


Inflation since 2004 and its effect on dollar value

The consumer price index (CPI) in 2004 was 80.8. It was 79 in the previous year. This change in CPI is used by the Bureau of Statistics to calculate inflation.

According to the Bureau of Statistics consumer price index, the dollar experienced an average inflation rate of 2.34% per year. Prices in 2018 are 38.2% higher than prices in 2004.

In other words, AU$100 in 2004 is equivalent in purchasing power to AU$138.24 in 2018, a difference of AU$38.24 over 14 years.

The current inflation rate is now 0.45%1. If this number holds, AU$100 today will be equivalent to AU$100.45 next year.

Inflation from 2004 to 2018
Cumulative price change 38.24%
Average inflation rate 2.34%
Converted amount (AU$100 base) AU$138.24
Price difference (AU$100 base) AU$38.24
CPI in 2004 80.8
CPI in 2018 111.7

AUD inflation chart from 1922 to 2017

How to calculate the inflation rate for AU$100 since 2004

This inflation calculator uses the following inflation rate formula:

CPI in 2018 / CPI in 2004 * 2004 AUD value = 2018 AUD value

Then plug in historical CPI values. The Australian CPI was 80.8 in the year 2004 and 111.7 in 2018:

111.7 / 80.8 * AU$100 = AU$138.24

AU$100 in 2004 has the same "purchasing power" or "buying power" as AU$138.24 in 2018.

Here are calculations of buying power over time for AU$100 in 2004 (price index tracking began in 1922). Each of these AUD amounts below is equivalent in terms of what it could buy at the time:
Year AUD Value Inflation Rate
2004 AU$100.00 2.28%
2005 AU$102.72 2.72%
2006 AU$106.31 3.49%
2007 AU$108.79 2.33%
2008 AU$113.61 4.44%
2009 AU$115.59 1.74%
2010 AU$118.94 2.89%
2011 AU$122.90 3.33%
2012 AU$125.00 1.71%
2013 AU$128.09 2.48%
2014 AU$131.31 2.51%
2015 AU$133.29 1.51%
2016 AU$135.02 1.30%
2017 AU$137.62 1.92%
2018 AU$138.24 0.45%*
* Not final. See inflation summary for latest details.

News headlines from 2004

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

  • The Humanitarian Ceasefire Agreement is signed by the Sudanese government and two rebel groups.
  • Massachusetts becomes the first United States state to legalize same-sex marriage.
  • The Indonesian elections are won by Susilo Bambang Yudhoyono.

Inflation Data Source

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: “Inflation Rate in 2004 | Australia Inflation Calculator.” U.S. Official Inflation Data, Alioth Finance, 20 Jun. 2018,

» Read more about inflation.