$100 in 1929 is worth $4,065.52 today

Why a dollar today is worth only 2% of a dollar in 1929

Updated: July 13, 2021

$100 in 1929 is equivalent in purchasing power to about $4,065.52 today, an increase of $3,965.52 over 92 years. The dollar had an average inflation rate of 4.11% per year between 1929 and today, producing a cumulative price increase of 3,965.52%.

This means that today's prices are 40.66 times higher than average prices since 1929, according to the Bureau of Statistics consumer price index. A dollar today only buys 2.46% of what it could buy back then.

The 1929 inflation rate was 0.00%. The current year-over-year inflation rate (2020 to 2021) is now 1.55%1. If this number holds, $100 today will be equivalent in buying power to $101.55 next year.


Inflation from 1929 to 2021
Cumulative price change 3,965.52%
Average inflation rate 4.11%
Converted amount ($100 base) $4,065.52
Price difference ($100 base) $3,965.52
CPI in 1929 2.900
CPI in 2021 117.900
Inflation in 1929 0.00%
Inflation in 2021 1.55%
$100 in 1929 $4,065.52 in 2021

AUD Inflation since 1922
Annual Rate, the Bureau of Statistics CPI
Download

Buying power of $100 in 1929

This chart shows a calculation of buying power equivalence for $100 in 1929 (price index tracking began in 1922).

For example, if you started with $100, you would need to end with $4,065.52 in order to "adjust" for inflation (sometimes refered to as "beating inflation").

When $100 is equivalent to $4,065.52 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 1929 dollars, the chart below shows how $100 is worth less over 92 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: 1929-2021
Year Dollar Value Inflation Rate
1929 $100.00 -
1930 $93.10 -6.90%
1931 $86.21 -7.41%
1932 $82.76 -4.00%
1933 $79.31 -4.17%
1934 $79.31 0.00%
1935 $82.76 4.35%
1936 $82.76 0.00%
1937 $86.21 4.17%
1938 $89.66 4.00%
1939 $89.66 0.00%
1940 $93.10 3.85%
1941 $96.55 3.70%
1942 $106.90 10.71%
1943 $110.34 3.23%
1944 $110.34 0.00%
1945 $110.34 0.00%
1946 $110.34 0.00%
1947 $117.24 6.25%
1948 $127.59 8.82%
1949 $137.93 8.11%
1950 $151.72 10.00%
1951 $179.31 18.18%
1952 $210.34 17.31%
1953 $220.69 4.92%
1954 $224.14 1.56%
1955 $227.59 1.54%
1956 $241.38 6.06%
1957 $248.28 2.86%
1958 $248.28 0.00%
1959 $255.17 2.78%
1960 $265.52 4.05%
1961 $268.97 1.30%
1962 $268.97 0.00%
1963 $272.41 1.28%
1964 $279.31 2.53%
1965 $289.66 3.70%
1966 $296.55 2.38%
1967 $306.90 3.49%
1968 $317.24 3.37%
1969 $327.59 3.26%
1970 $337.93 3.16%
1971 $358.62 6.12%
1972 $379.31 5.77%
1973 $413.79 9.09%
1974 $479.31 15.83%
1975 $551.72 15.11%
1976 $624.14 13.13%
1977 $700.00 12.15%
1978 $755.17 7.88%
1979 $824.14 9.13%
1980 $910.34 10.46%
1981 $996.55 9.47%
1982 $1,106.90 11.07%
1983 $1,220.69 10.28%
1984 $1,268.97 3.95%
1985 $1,351.72 6.52%
1986 $1,475.86 9.18%
1987 $1,600.00 8.41%
1988 $1,717.24 7.33%
1989 $1,844.83 7.43%
1990 $1,982.76 7.48%
1991 $2,044.83 3.13%
1992 $2,065.52 1.01%
1993 $2,100.00 1.67%
1994 $2,141.38 1.97%
1995 $2,241.38 4.67%
1996 $2,300.00 2.62%
1997 $2,306.90 0.30%
1998 $2,324.14 0.75%
1999 $2,358.62 1.48%
2000 $2,465.52 4.53%
2001 $2,572.41 4.34%
2002 $2,651.72 3.08%
2003 $2,724.14 2.73%
2004 $2,786.21 2.28%
2005 $2,862.07 2.72%
2006 $2,962.07 3.49%
2007 $3,031.03 2.33%
2008 $3,165.52 4.44%
2009 $3,220.69 1.74%
2010 $3,313.79 2.89%
2011 $3,424.14 3.33%
2012 $3,482.76 1.71%
2013 $3,568.97 2.48%
2014 $3,658.62 2.51%
2015 $3,713.79 1.51%
2016 $3,762.07 1.30%
2017 $3,834.48 1.92%
2018 $3,906.90 1.89%
2019 $3,968.97 1.59%
2020 $4,003.45 0.87%
2021 $4,065.52 1.55%*
* Compared to previous annual rate. Not final. See inflation summary for latest 12-month trailing value.
Click to show 86 more rows

This conversion table shows various other 1929 amounts in today's dollars, based on the 3,965.52% change in prices:

Conversion: 1929 dollars today
Initial value Equivalent value
$1 dollar in 1929 $40.66 dollars today
$5 dollars in 1929 $203.28 dollars today
$10 dollars in 1929 $406.55 dollars today
$50 dollars in 1929 $2,032.76 dollars today
$100 dollars in 1929 $4,065.52 dollars today
$500 dollars in 1929 $20,327.59 dollars today
$1,000 dollars in 1929 $40,655.17 dollars today
$5,000 dollars in 1929 $203,275.86 dollars today
$10,000 dollars in 1929 $406,551.72 dollars today
$50,000 dollars in 1929 $2,032,758.62 dollars today
$100,000 dollars in 1929 $4,065,517.24 dollars today
$500,000 dollars in 1929 $20,327,586.21 dollars today
$1,000,000 dollars in 1929 $40,655,172.41 dollars today

How to Calculate Inflation Rate for $100 since 1929

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

CPI today CPI in 1929
×
1929 AUD value
=
Today's value

Then plug in historical CPI values. The Australian CPI was 2.9 in the year 1929 and 117.9 in 2021:

117.92.9
×
$100
=
$4,065.52

$100 in 1929 has the same "purchasing power" or "buying power" as $4,065.52 in 2021.

To get the total inflation rate for the 92 years between 1929 and 2021, we use the following formula:

CPI in 2021 - CPI in 1929CPI in 1929
×
100
=
Cumulative inflation rate (92 years)

Plugging in the values to this equation, we get:

117.9 - 2.92.9
×
100
=
3,966%

News headlines from 1929

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

  • The world's smallest country, the Vatican City, is created as an enclave of Rome.
  • Seven gangsters are killed in Chicago on Al Capone's orders in an event now known as St. Valentine's Day Massacre.
  • A final solution of a border dispute between Chile and Peru is reached after the signing of the Treaty of Lima.
  • Beginning of the Great Depression with stock market crash known as "Black Thursday".
  • ‘Black Thursday’, leads to a Wall Street crash and the biggest depression in the history of the world.

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 1929 dollars today | Australia Inflation Calculator.” Official Inflation Data, Alioth Finance, 25 Jul. 2021, https://www.officialdata.org/australia/inflation/1929.

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.

Email · LinkedIn · Twitter


» Read more about inflation and investment.

Inflation from 1929 to 2021
Cumulative price change 3,965.52%
Average inflation rate 4.11%
Converted amount ($100 base) $4,065.52
Price difference ($100 base) $3,965.52
CPI in 1929 2.900
CPI in 2021 117.900
Inflation in 1929 0.00%
Inflation in 2021 1.55%
$100 in 1929 $4,065.52 in 2021