According to the Bureau of Labor Statistics consumer price index, the dollar experienced an average inflation rate of 1.50% per year. Prices in 2018 are 4.6% higher than prices in 2015.
In other words, $21.72 in the year 2015 is equivalent in purchasing power to $22.71 in 2018, a difference of $0.99 over 3 years.
|Cumulative price change||4.56%|
|Average inflation rate||1.50%|
|Price difference ($21.72 base)||$0.99|
|CPI in 2015||237.017|
|CPI in 2018||247.867|
Politics and news often influence economic performance. Here's what was happening at the time:
Raw data for these calculations comes from the Bureau of Labor Statistics' Consumer Price Index (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: “$21.72 in 2015 → 2018 | Inflation Calculator.” FinanceRef Inflation Calculator, Alioth Finance, 15 Feb. 2018, http://www.in2013dollars.com/2015-dollars-in-2018?amount=21.72.