AU$100 in 1939 → AU$3,592.31 in 2009

Australia Inflation Calculator


Australian Inflation Rate, 1939-2009 (AU$100)

According to the Bureau of Statistics consumer price index, the dollar experienced an average inflation rate of 5.25% per year. Prices in 2009 are 3492.3% higher than prices in 1939.

In other words, AU$100 in the year 1939 is equivalent in purchasing power to AU$3,592.31 in 2009, a difference of AU$3,492.31 over 70 years.

The inflation rate in 2009 was 1.74%.

Inflation from 1939 to 2009
Cumulative price change 3492.31%
Average inflation rate 5.25%
Price difference (AU$100 base) AU$3,492.31
CPI in 1939 2.6
CPI in 2009 93.4

AUD inflation chart from 1922 to 2017

How to calculate the inflation rate for AU$100, 1939 to 2009

This inflation calculator uses the following inflation rate formula:

CPI in 2009 / CPI in 1939 * 1939 AUD value = 2009 AUD value

Then plug in historical CPI values. The Australian CPI was 2.6 in the year 1939 and 93.4 in 2009:

93.4 / 2.6 * AU$100 = AU$3,592.31

AU$100 in 1939 has the same "purchasing power" as AU$3,592.31 in 2009.

News headlines from 1939

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

  • Hitler makes a speech to the German Reichstag where he threatens Jews.
  • Mahatma Gandhi begins his fast in protest against Britain’s autocratic rule in India
  • The Battle of Nanchang takes place between the Kuomintang ant the Japanese, during Sino-Japanese War.
  • The Spanish Civil War ends when Madrid falls to Francisco Franco.
  • Britain and France declare war on Germany after it invades Poland, signaling the start of World War II.
  • Mussolini’s Italy joins Hitler's war against Great Britain and France.
  • Winston Churchill is named British Prime Minister, succeeding Neville Chamberlain.
  • Nazi blitzkrieg conquest of France begins when the Germans cross the Muese River.
  • Auschwitz concentration camp is opened in Nazi-controlled Poland,.

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: “1939 dollars in 2009 | Australia Inflation Calculator.” U.S. Official Inflation Data, Alioth Finance, 18 May. 2018,

» Read more about inflation.