$1 in 1929 is equivalent in purchasing power to about $0.93 in 1930. The dollar had an average **deflation** rate of -6.90% per year since 1929, producing a cumulative price change of -6.90%. Purchasing power *increased* by 6.90% in 1930 compared to 1929. On average, you would have to spend 6.90% *less* money in 1930 than in 1929 for the same item. This is an example of **deflation**.

This means that prices in 1930 are 6.9% lower than average prices since 1929, according to the Bureau of Statistics consumer price index.

The inflation rate in 1929 was 0.00%. The inflation rate in 1930 was -6.90%. The 1930 inflation rate is lower compared to the average inflation rate of 4.31% per year between 1930 and 2023.

Inflation rate is calculated by change in the consumer price index (CPI). The CPI in 1930 was 2.70. It was 2.90 in the previous year, 1929. The difference in CPI between the years is used by the Bureau of Statistics to officially determine inflation. Because the 1930 CPI is less than 1929 CPI, negative inflation (also known as deflation) has occurred.

⌃

Average inflation rate | -6.90% |

Converted amount ($1 base) | $0.93 |

Price difference ($1 base) | $-0.07 |

CPI in 1929 | 2.900 |

CPI in 1930 | 2.700 |

Inflation in 1929 | 0.00% |

Inflation in 1930 | -6.90% |

$1 in 1929 | $0.93 in 1930 |

Our calculations use the following inflation rate formula to calculate the change in value between 1929 and 1930:

CPI in 1930 CPI in 1929

×

1929 AUD value

=

1930 AUD value

Then plug in historical CPI values. The Australian CPI was 2.9 in the year 1929 and 2.7 in 1930:

2.72.9

×

$1

=

$1 in 1929 has the same "purchasing power" or "buying power" as $0.93 in 1930.

To get the total inflation rate for the 1 years between 1929 and 1930, we use the following formula:

CPI in 1930 - CPI in 1929CPI in 1929

×

100

=

Plugging in the values to this equation, we get:

2.7 - 2.92.9

×

100

=

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 1930 | Australia Inflation Calculator.” Official Inflation Data, Alioth Finance, 1 Feb. 2023, https://www.officialdata.org/Australia-inflation-rate-in-1930.

Special thanks to QuickChart for their chart image API, which is used for chart downloads.

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

Average inflation rate | -6.90% |

Converted amount ($1 base) | $0.93 |

Price difference ($1 base) | $-0.07 |

CPI in 1929 | 2.900 |

CPI in 1930 | 2.700 |

Inflation in 1929 | 0.00% |

Inflation in 1930 | -6.90% |

$1 in 1929 | $0.93 in 1930 |