$100 in 2017 → $5.22 in 1917

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$100 in 2017 → $5.22 in 1917

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U.S. Inflation Rate, $100 in 2017 to 1917

According to the Bureau of Labor Statistics consumer price index, prices in 1917 are 94.78% lower than average prices since 2017. The U.S. dollar experienced an average inflation rate of 3.00% per year during this period, meaning the real value of a dollar decreased.

In other words, $100 in 2017 is equivalent in purchasing power to about $5.22 in 1917, a difference of $-94.78 over 100 years.

The 1917 inflation rate was 17.43%. The inflation rate in 2017 was 2.13%. The 2017 inflation rate is higher compared to the average inflation rate of 1.59% per year between 2017 and 2020.


Inflation from 2017 to 1917
Cumulative price change -94.78%
Average inflation rate 3.00%
Converted amount ($100 base) $5.22
Price difference ($100 base) $-94.78
CPI in 2017 245.120
CPI in 1917 12.800
Inflation in 1917 17.43%
Inflation in 2017 2.13%

USD Inflation since 1913
Annual Rate, the Bureau of Labor Statistics CPI
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Buying power of $100 in 1917

This chart shows a calculation of buying power equivalence for $100 in 1917 (price index tracking began in 1635).

For example, if you started with $100, you would need to end with $5.22 in order to "adjust" for inflation (sometimes refered to as "beating inflation").

When $100 is equivalent to $5.22 over time, that means that the "real value" of a single U.S. 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 1917 dollars, the chart below shows how $100 buys less over the past 100 years.

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

Year Dollar Value Inflation Rate
1917 $100.00 17.43%
1918 $117.97 17.97%
1919 $135.16 14.57%
1920 $156.25 15.61%
1921 $139.84 -10.50%
1922 $131.25 -6.15%
1923 $133.59 1.79%
1924 $133.59 0.00%
1925 $136.72 2.34%
1926 $138.28 1.14%
1927 $135.94 -1.69%
1928 $133.59 -1.72%
1929 $133.59 0.00%
1930 $130.47 -2.34%
1931 $118.75 -8.98%
1932 $107.03 -9.87%
1933 $101.56 -5.11%
1934 $104.69 3.08%
1935 $107.03 2.24%
1936 $108.59 1.46%
1937 $112.50 3.60%
1938 $110.16 -2.08%
1939 $108.59 -1.42%
1940 $109.38 0.72%
1941 $114.84 5.00%
1942 $127.34 10.88%
1943 $135.16 6.13%
1944 $137.50 1.73%
1945 $140.63 2.27%
1946 $152.34 8.33%
1947 $174.22 14.36%
1948 $188.28 8.07%
1949 $185.94 -1.24%
1950 $188.28 1.26%
1951 $203.13 7.88%
1952 $207.03 1.92%
1953 $208.59 0.75%
1954 $210.16 0.75%
1955 $209.38 -0.37%
1956 $212.50 1.49%
1957 $219.53 3.31%
1958 $225.78 2.85%
1959 $227.34 0.69%
1960 $231.25 1.72%
1961 $233.59 1.01%
1962 $235.94 1.00%
1963 $239.06 1.32%
1964 $242.19 1.31%
1965 $246.09 1.61%
1966 $253.12 2.86%
1967 $260.94 3.09%
1968 $271.87 4.19%
1969 $286.72 5.46%
1970 $303.12 5.72%
1971 $316.41 4.38%
1972 $326.56 3.21%
1973 $346.87 6.22%
1974 $385.16 11.04%
1975 $420.31 9.13%
1976 $444.53 5.76%
1977 $473.44 6.50%
1978 $509.38 7.59%
1979 $567.19 11.35%
1980 $643.75 13.50%
1981 $710.16 10.32%
1982 $753.91 6.16%
1983 $778.12 3.21%
1984 $811.72 4.32%
1985 $840.62 3.56%
1986 $856.25 1.86%
1987 $887.50 3.65%
1988 $924.22 4.14%
1989 $968.75 4.82%
1990 $1,021.09 5.40%
1991 $1,064.06 4.21%
1992 $1,096.09 3.01%
1993 $1,128.91 2.99%
1994 $1,157.81 2.56%
1995 $1,190.63 2.83%
1996 $1,225.78 2.95%
1997 $1,253.91 2.29%
1998 $1,273.44 1.56%
1999 $1,301.56 2.21%
2000 $1,345.31 3.36%
2001 $1,383.59 2.85%
2002 $1,405.47 1.58%
2003 $1,437.50 2.28%
2004 $1,475.78 2.66%
2005 $1,525.78 3.39%
2006 $1,575.00 3.23%
2007 $1,619.86 2.85%
2008 $1,682.05 3.84%
2009 $1,676.07 -0.36%
2010 $1,703.56 1.64%
2011 $1,757.34 3.16%
2012 $1,793.70 2.07%
2013 $1,819.98 1.46%
2014 $1,849.50 1.62%
2015 $1,851.70 0.12%
2016 $1,875.05 1.26%
2017 $1,915.00 2.13%
2018 $1,962.73 2.49%
2019 $1,997.32 1.76%
2020 $2,007.61 0.51%*
* Compared to previous annual rate. Not final. See inflation summary for latest 12-month trailing value.
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Inflation by City

Inflation can vary widely by city, even within the United States. Here's how some cities fared in 2017 to 1917 (figures shown are purchasing power equivalents of $100):

San Francisco, California experienced the highest rate of inflation during the 100 years between 1917 and 2017 (3.36%).

Detroit, Michigan experienced the lowest rate of inflation during the 100 years between 1917 and 2017 (2.99%).

Note that some locations showing 0% inflation may have not yet reported latest data.


Inflation by Country

Inflation can also vary widely by country. For comparison, in the UK £100.00 in 2017 would be equivalent to £1.52 in 1917, an absolute change of £-98.48 and a cumulative change of -98.48%.

In Canada, CA$100.00 in 2017 would be equivalent to CA$6.37 in 1917, an absolute change of CA$-93.63 and a cumulative change of -93.63%.

Compare these numbers to the US's overall absolute change of $-94.78 and total percent change of -94.78%.


Inflation by Spending Category

CPI is the weighted combination of many categories of spending that are tracked by the government. This chart shows the average rate of inflation for select CPI categories between 2017 and 1917.

Compare these values to the overall average of 3.00% per year:

Category Avg Inflation (%) Total Inflation (%) $100 in 1917 → 2017
Food and beverages 4.01 4,997.88 5,097.88
Housing 4.29 6,557.00 6,657.00
Apparel 1.80 492.51 592.51
Transportation 3.29 2,441.16 2,541.16
Medical care 5.21 16,028.94 16,128.94
Recreation 1.11 202.70 302.70
Education and communication 1.97 600.06 700.06
Other goods and services 5.15 15,117.65 15,217.65

The graph below compares inflation in categories of goods over time. Click on a category such as "Food" to toggle it on or off:

For all these visualizations, it's important to note that not all categories may have been tracked since 2017. This table and charts use the earliest available data for each category.



How to Calculate Inflation Rate for $100, 1917 to 2017

This inflation calculator uses the following inflation rate formula:

CPI in 1917CPI in 2017
×
2017 USD value
=
1917 USD value

Then plug in historical CPI values. The U.S. CPI was 245.12 in the year 2017 and 12.8 in 1917:

12.8245.12
×
$100
=
$5.22

$100 in 2017 has the same "purchasing power" or "buying power" as $5.22 in 1917.

To get the total inflation rate for the 100 years between 1917 and 2017, we use the following formula:

CPI in 1917 - CPI in 2017CPI in 2017
×
100
=
Cumulative inflation rate (100 years)

Plugging in the values to this equation, we get:

12.8 - 245.12245.12
×
100
=
-95%

News headlines from 1917

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

  • Donald Trump sworn in as the 45th president of the United States.
  • Hurricanes Harvey and Irma strike southeast Texas and Florida, causing extensive flooding and damage.
  • Gunman kills 58 people at a Las Vegas concert, making it the deadliest mass shooting in modern U.S. history.
  • North Korea tests a hydrogen bomb and over a dozen ballistic missiles amidst soaring tensions with the U.S.

Data Source & Citation

Raw data for these calculations comes from the Bureau of Labor Statistics' (CPI), established in 1913. Inflation data from 1665 to 1912 is sourced from a historical study conducted by political science professor Robert Sahr at Oregon State University.

You may use the following MLA citation for this page: “$100 in 2017 → 1917 | Inflation Calculator.” Official Inflation Data, Alioth Finance, 19 Jan. 2020, https://www.officialdata.org/2017-dollars-in-1917?amount=100.

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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Inflation from 2017 to 1917
Cumulative price change -94.78%
Average inflation rate 3.00%
Converted amount ($100 base) $5.22
Price difference ($100 base) $-94.78
CPI in 2017 245.120
CPI in 1917 12.800
Inflation in 1917 17.43%
Inflation in 2017 2.13%