$100 in 1975 is worth $451.66 today

Why a dollar today is worth only 22% of a dollar in 1975

Updated: June 11, 2020

According to Statistics Canada consumer price index, today's prices in 2020 are 351.66% higher than average prices since 1975. This means that a dollar today only buys 22.14% of what it could buy in 1975. The Canadian dollar experienced an average inflation rate of 3.41% per year during this period, causing the real value of a dollar to decrease.

In other words, $100 in 1975 is equivalent in purchasing power to about $451.66 in 2020, a difference of $351.66 over 45 years.

The 1975 inflation rate was 9.42%. The current year-over-year inflation rate (2019 to 2020) is now 2.25%1. If this number holds, $100 today will be equivalent in buying power to $102.25 next year.


Inflation from 1975 to 2020
Cumulative price change 351.66%
Average inflation rate 3.41%
Converted amount ($100 base) $451.66
Price difference ($100 base) $351.66
CPI in 1975 30.200
CPI in 2020 136.400
Inflation in 1975 9.42%
Inflation in 2020 2.25%

CAD Inflation since 1914
Annual Rate, Statistics Canada CPI
Download

Buying power of $100 in 1975

This chart shows a calculation of buying power equivalence for $100 in 1975 (price index tracking began in 1914).

For example, if you started with $100, you would need to end with $451.66 in order to "adjust" for inflation (sometimes refered to as "beating inflation").

When $100 is equivalent to $451.66 over time, that means that the "real value" of a single Canadian 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 1975 dollars, the chart below shows how $100 is worth less over 45 years.

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

Dollar inflation: 1975-2020
Year Dollar Value Inflation Rate
1975 $100.00 9.42%
1976 $105.63 5.63%
1977 $115.56 9.40%
1978 $125.50 8.60%
1979 $137.75 9.76%
1980 $152.98 11.06%
1981 $171.52 12.12%
1982 $187.42 9.27%
1983 $196.03 4.59%
1984 $203.31 3.72%
1985 $212.25 4.40%
1986 $221.19 4.21%
1987 $230.46 4.19%
1988 $239.40 3.88%
1989 $251.99 5.26%
1990 $264.57 4.99%
1991 $274.50 3.75%
1992 $280.46 2.17%
1993 $285.10 1.65%
1994 $285.76 0.23%
1995 $290.73 1.74%
1996 $297.02 2.16%
1997 $299.34 0.78%
1998 $302.32 1.00%
1999 $310.26 2.63%
2000 $320.20 3.20%
2001 $322.52 0.72%
2002 $334.77 3.80%
2003 $341.72 2.08%
2004 $349.01 2.13%
2005 $356.29 2.09%
2006 $362.25 1.67%
2007 $370.86 2.38%
2008 $375.17 1.16%
2009 $380.13 1.32%
2010 $389.07 2.35%
2011 $398.01 2.30%
2012 $401.32 0.83%
2013 $406.29 1.24%
2014 $412.25 1.47%
2015 $418.87 1.61%
2016 $425.17 1.50%
2017 $431.79 1.56%
2018 $433.11 0.31%
2019 $441.72 1.99%
2020 $451.66 2.25%*
* Compared to previous annual rate. Not final. See inflation summary for latest 12-month trailing value.
Click to show 39 more rows

This conversion table shows various other 1975 amounts in today's dollars, based on the 351.66% change in prices:

Conversion Table: Value of a dollar today
Initial value Equivalent value
$1 dollar in 1975 $4.52 dollars today
$5 dollars in 1975 $22.58 dollars today
$10 dollars in 1975 $45.17 dollars today
$50 dollars in 1975 $225.83 dollars today
$100 dollars in 1975 $451.66 dollars today
$500 dollars in 1975 $2,258.28 dollars today
$1,000 dollars in 1975 $4,516.56 dollars today
$5,000 dollars in 1975 $22,582.78 dollars today
$10,000 dollars in 1975 $45,165.56 dollars today
$50,000 dollars in 1975 $225,827.81 dollars today
$100,000 dollars in 1975 $451,655.63 dollars today
$500,000 dollars in 1975 $2,258,278.15 dollars today
$1,000,000 dollars in 1975 $4,516,556.29 dollars today

How to Calculate Inflation Rate for $100 since 1975

Our calculations use the following inflation rate formula to calculate the change in value between 1975 and today:

CPI today CPI in 1975
×
1975 CAD value
=
Today's value

Then plug in historical CPI values. The Canadian CPI was 30.2 in the year 1975 and 136.4 in 2020:

136.430.2
×
$100
=
$451.66

$100 in 1975 has the same "purchasing power" or "buying power" as $451.66 in 2020.

To get the total inflation rate for the 45 years between 1975 and 2020, we use the following formula:

CPI in 2020 - CPI in 1975CPI in 1975
×
100
=
Cumulative inflation rate (45 years)

Plugging in the values to this equation, we get:

136.4 - 30.230.2
×
100
=
352%

News headlines from 1975

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

  • Margaret Thatcher becomes leader of the British Conservative Party, after defeating Edward Heath.
  • Ethiopia abrogates its 3,000-year-old monarchy.
  • Bill Gates and Paul Allen found Microsoft.
  • The US signals the beginning of the end of its involvement Vietnam, after it begins to evacuate its citizens from Saigon.
  • Gough Whitlam is removed by Governor General Sir John Kerr: the first time an elected Prime Minister had been deposed in 200 years (Australia).

Data Source & Citation

Raw data for these calculations comes from the government of Canada's annual Consumer Price Index (CPI), established in 1914 and computed by Statistics Canada (StatCan).

You may use the following MLA citation for this page: “Value of 1975 dollars today | Canada Inflation Calculator.” Official Inflation Data, Alioth Finance, 5 Jul. 2020, https://www.officialdata.org/canada/inflation/1975.

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 1975 to 2020
Cumulative price change 351.66%
Average inflation rate 3.41%
Converted amount ($100 base) $451.66
Price difference ($100 base) $351.66
CPI in 1975 30.200
CPI in 2020 136.400
Inflation in 1975 9.42%
Inflation in 2020 2.25%