Value of $100 from 1934 to 1991
According to the Bureau of Statistics consumer price index, prices in 1991 are 2,478.26% higher than average prices since 1934. The Australian dollar experienced an average inflation rate of 5.87% per year during this period, causing the real value of a dollar to decrease.
In other words, $100 in 1934 is equivalent in purchasing power to about $2,578.26 in 1991, a difference of $2,478.26 over 57 years.
The 1934 inflation rate was 0.00%. The inflation rate in 1991 was 3.13%. The 1991 inflation rate is higher compared to the average inflation rate of 2.37% per year between 1991 and 2020.
⌃
| Cumulative price change | 2,478.26% |
| Average inflation rate | 5.87% |
| Converted amount ($100 base) | $2,578.26 |
| Price difference ($100 base) | $2,478.26 |
| CPI in 1934 | 2.300 |
| CPI in 1991 | 59.300 |
| Inflation in 1934 | 0.00% |
| Inflation in 1991 | 3.13% |
Buying power of $100 in 1934
This chart shows a calculation of buying power equivalence for $100 in 1934 (price index tracking began in 1922).
For example, if you started with $100, you would need to end with $2,578.26 in order to "adjust" for inflation (sometimes refered to as "beating inflation").
When $100 is equivalent to $2,578.26 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 1934 dollars, the chart below shows how $100 is worth less over 57 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:
This conversion table shows various other 1934 amounts in 1991 dollars, based on the 2,478.26% change in prices:
| Initial value | Equivalent value |
|---|---|
| $1 dollar in 1934 | $25.78 dollars in 1991 |
| $5 dollars in 1934 | $128.91 dollars in 1991 |
| $10 dollars in 1934 | $257.83 dollars in 1991 |
| $50 dollars in 1934 | $1,289.13 dollars in 1991 |
| $100 dollars in 1934 | $2,578.26 dollars in 1991 |
| $500 dollars in 1934 | $12,891.30 dollars in 1991 |
| $1,000 dollars in 1934 | $25,782.61 dollars in 1991 |
| $5,000 dollars in 1934 | $128,913.04 dollars in 1991 |
| $10,000 dollars in 1934 | $257,826.09 dollars in 1991 |
| $50,000 dollars in 1934 | $1,289,130.43 dollars in 1991 |
| $100,000 dollars in 1934 | $2,578,260.87 dollars in 1991 |
| $500,000 dollars in 1934 | $12,891,304.35 dollars in 1991 |
| $1,000,000 dollars in 1934 | $25,782,608.70 dollars in 1991 |
How to Calculate Inflation Rate for $100, 1934 to 1991
Our calculations use the following inflation rate formula to calculate the change in value between 1934 and 1991:
CPI in 1991
CPI in 1934
×
1934 AUD value
=
1991 AUD value
Then plug in historical CPI values. The Australian CPI was 2.3 in the year 1934 and 59.3 in 1991:
59.32.3
×
$100
=
$2,578.26
$100 in 1934 has the same "purchasing power" or "buying power" as $2,578.26 in 1991.
To get the total inflation rate for the 57 years between 1934 and 1991, we use the following formula:
CPI in 1991 - CPI in 1934CPI in 1934
×
100
=
Cumulative inflation rate (57 years)
Plugging in the values to this equation, we get:
59.3 - 2.32.3
×
100
=
2,478%
News headlines from 1934
Politics and news often influence economic performance. Here's what was happening at the time:
- American and Canadian prairies suffer during "The Great Dustbowl", a period of drought and severe dust storms.
- John Dillinger becomes commonly known as America's first Public Enemy Number One.
- Hitler brutally purges the leadership of the Nazi party in an event known as "Night of Long Knives".
- The Assassination of Leningrad mayor Sergey Kirov is used as a pretext by Stalin to start the Great Purge of the Communist party.
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: “1934 dollars in 1991 | Australia Inflation Calculator.” Official Inflation Data, Alioth Finance, 5 Jul. 2020, https://www.officialdata.org/1934-AUD-in-1991.
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.
| Cumulative price change | 2,478.26% |
| Average inflation rate | 5.87% |
| Converted amount ($100 base) | $2,578.26 |
| Price difference ($100 base) | $2,478.26 |
| CPI in 1934 | 2.300 |
| CPI in 1991 | 59.300 |
| Inflation in 1934 | 0.00% |
| Inflation in 1991 | 3.13% |