$100 in 1974 is worth $973.38 today

The Australian dollar has lost 90% its value since 1974

Updated: March 12, 2024

$100 in 1974 is equivalent in purchasing power to about $973.38 today, an increase of $873.38 over 50 years. The dollar had an average inflation rate of 4.66% per year between 1974 and today, producing a cumulative price increase of 873.38%.

This means that today's prices are 9.73 times as high as average prices since 1974, according to the Bureau of Statistics consumer price index. A dollar today only buys 10.273% of what it could buy back then.

The inflation rate in 1974 was 15.83%. The current inflation rate compared to last year is now 1.05%. If this number holds, $100 today will be equivalent in buying power to $101.05 next year.


Inflation from 1974 to 2024
Cumulative price change873.38%
Average inflation rate4.66%
Converted amount
$100 base
$973.38
Price difference
$100 base
$873.38
CPI in 197413.900
CPI in 2024135.300
Inflation in 197415.83%
Inflation in 20241.05%
$100 in 1974$973.38 in 2024

AUD inflation since 1974
Annual Rate, the Bureau of Statistics CPI
Download

Buying power of $100 in 1974

This chart shows a calculation of buying power equivalence for $100 in 1974 (price index tracking began in 1922).

For example, if you started with $100, you would need to end with $973.38 in order to "adjust" for inflation (sometimes refered to as "beating inflation").

When $100 is equivalent to $973.38 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 1974 dollars, the chart below shows how $100 is worth less over 50 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:

Dollar inflation: 1974-2024
YearDollar ValueInflation Rate
1974$100.0015.83%
1975$115.1115.11%
1976$130.2213.13%
1977$146.0412.15%
1978$157.557.88%
1979$171.949.13%
1980$189.9310.46%
1981$207.919.47%
1982$230.9411.07%
1983$254.6810.28%
1984$264.753.95%
1985$282.016.52%
1986$307.919.18%
1987$333.818.41%
1988$358.277.33%
1989$384.897.43%
1990$413.677.48%
1991$426.623.13%
1992$430.941.01%
1993$438.131.67%
1994$446.761.97%
1995$467.634.67%
1996$479.862.62%
1997$481.290.30%
1998$484.890.75%
1999$492.091.48%
2000$514.394.53%
2001$536.694.34%
2002$553.243.08%
2003$568.352.73%
2004$581.292.28%
2005$597.122.72%
2006$617.993.49%
2007$632.372.33%
2008$660.434.44%
2009$671.941.74%
2010$691.372.89%
2011$714.393.33%
2012$726.621.71%
2013$744.602.48%
2014$763.312.51%
2015$774.821.51%
2016$784.891.30%
2017$800.001.92%
2018$815.111.89%
2019$828.061.59%
2020$835.250.87%
2021$858.992.84%
2022$915.836.62%
2023$963.315.18%
2024$973.381.05%*
* Compared to previous annual rate. Not final. See inflation summary for latest 12-month trailing value.
Click to show 44 more rows

This conversion table shows various other 1974 amounts in today's dollars, based on the 873.38% change in prices:

Conversion: 1974 dollars today
Initial valueEquivalent value
$1 dollar in 1974$9.73 dollars today
$5 dollars in 1974$48.67 dollars today
$10 dollars in 1974$97.34 dollars today
$50 dollars in 1974$486.69 dollars today
$100 dollars in 1974$973.38 dollars today
$500 dollars in 1974$4,866.91 dollars today
$1,000 dollars in 1974$9,733.81 dollars today
$5,000 dollars in 1974$48,669.06 dollars today
$10,000 dollars in 1974$97,338.13 dollars today
$50,000 dollars in 1974$486,690.65 dollars today
$100,000 dollars in 1974$973,381.29 dollars today
$500,000 dollars in 1974$4,866,906.47 dollars today
$1,000,000 dollars in 1974$9,733,812.95 dollars today

How to calculate inflation rate for $100 since 1974

Our calculations use the following inflation rate formula to calculate the change in value between 1974 and today:

CPI today CPI in 1974
×
1974 AUD value
=
Today's value

Then plug in historical CPI values. The Australian CPI was 13.9 in the year 1974 and 135.3 in 2024:

135.313.9
×
$100
=
$973.38

$100 in 1974 has the same "purchasing power" or "buying power" as $973.38 in 2024.

To get the total inflation rate for the 50 years between 1974 and 2024, we use the following formula:

CPI in 2024 - CPI in 1974CPI in 1974
×
100
=
Cumulative inflation rate (50 years)

Plugging in the values to this equation, we get:

135.3 - 13.913.9
×
100
=
873%

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: “Value of 1974 Australian dollars today | Australia Inflation Calculator.” Official Inflation Data, Alioth Finance, 29 Mar. 2024, https://www.officialdata.org/australia/inflation/1974?amount&startYear&future_pct.

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.


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 1974 to 2024
Cumulative price change873.38%
Average inflation rate4.66%
Converted amount
$100 base
$973.38
Price difference
$100 base
$873.38
CPI in 197413.900
CPI in 2024135.300
Inflation in 197415.83%
Inflation in 20241.05%
$100 in 1974$973.38 in 2024