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$100 in 1934 → $2,578.26 in 1991

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$100 in 1934 → $2,578.26 in 1991

Australian Inflation Rate, $100 in 1934 to 1991

According to the Bureau of Statistics consumer price index, prices in 1991 are 2,478.26% higher than average prices throughout 1934. The dollar experienced an average inflation rate of 5.87% per year during this period, meaning the real value of a dollar decreased.

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 2.39% per year between 1991 and 2019.

⌃
Inflation from 1934 to 1991
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%

AUD inflation chart from 1922 to 2017

Buying power of $100 in 1934

This chart shows calculation of buying power equivalence, often referred to as "the value of a dollar" over time for $100 in 1934 (price index tracking began in 1922).

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According to the Bureau of Statistics, each of these AUD amounts below is equal in terms of what it could buy at the time:

Year Dollar Value Inflation Rate
1934 $100.00 -
1935 $104.35 4.35%
1936 $104.35 0.00%
1937 $108.70 4.17%
1938 $113.04 4.00%
1939 $113.04 0.00%
1940 $117.39 3.85%
1941 $121.74 3.70%
1942 $134.78 10.71%
1943 $139.13 3.23%
1944 $139.13 0.00%
1945 $139.13 0.00%
1946 $139.13 0.00%
1947 $147.83 6.25%
1948 $160.87 8.82%
1949 $173.91 8.11%
1950 $191.30 10.00%
1951 $226.09 18.18%
1952 $265.22 17.31%
1953 $278.26 4.92%
1954 $282.61 1.56%
1955 $286.96 1.54%
1956 $304.35 6.06%
1957 $313.04 2.86%
1958 $313.04 0.00%
1959 $321.74 2.78%
1960 $334.78 4.05%
1961 $339.13 1.30%
1962 $339.13 0.00%
1963 $343.48 1.28%
1964 $352.17 2.53%
1965 $365.22 3.70%
1966 $373.91 2.38%
1967 $386.96 3.49%
1968 $400.00 3.37%
1969 $413.04 3.26%
1970 $426.09 3.16%
1971 $452.17 6.12%
1972 $478.26 5.77%
1973 $521.74 9.09%
1974 $604.35 15.83%
1975 $695.65 15.11%
1976 $786.96 13.13%
1977 $882.61 12.15%
1978 $952.17 7.88%
1979 $1,039.13 9.13%
1980 $1,147.83 10.46%
1981 $1,256.52 9.47%
1982 $1,395.65 11.07%
1983 $1,539.13 10.28%
1984 $1,600.00 3.95%
1985 $1,704.35 6.52%
1986 $1,860.87 9.18%
1987 $2,017.39 8.41%
1988 $2,165.22 7.33%
1989 $2,326.09 7.43%
1990 $2,500.00 7.48%
1991 $2,578.26 3.13%
1992 $2,604.35 1.01%
1993 $2,647.83 1.67%
1994 $2,700.00 1.97%
1995 $2,826.09 4.67%
1996 $2,900.00 2.62%
1997 $2,908.70 0.30%
1998 $2,930.43 0.75%
1999 $2,973.91 1.48%
2000 $3,108.70 4.53%
2001 $3,243.48 4.34%
2002 $3,343.48 3.08%
2003 $3,434.78 2.73%
2004 $3,513.04 2.28%
2005 $3,608.70 2.72%
2006 $3,734.78 3.49%
2007 $3,821.74 2.33%
2008 $3,991.30 4.44%
2009 $4,060.87 1.74%
2010 $4,178.26 2.89%
2011 $4,317.39 3.33%
2012 $4,391.30 1.71%
2013 $4,500.00 2.48%
2014 $4,613.04 2.51%
2015 $4,682.61 1.51%
2016 $4,743.48 1.30%
2017 $4,834.78 1.92%
2018 $4,895.65 1.26%
2019 $4,988.67 1.90%*
* Compared to previous annual rate. Not final. See inflation summary for latest 12-month trailing value.
Click to show 51 more rows

How to Calculate Inflation Rate for $100, 1934 to 1991

This inflation calculator uses the following inflation rate formula:

CPI in 1991CPI 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.” U.S. Official Inflation Data, Alioth Finance, 9 Dec. 2019, https://www.officialdata.org/1934-AUD-in-1991.

Special thanks to QuickChart for providing downloadable chart images.

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

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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» Read more about inflation and investment.

Inflation from 1934 to 1991
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%
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