The data displays the unadjusted annual inflation rate in the United States from 1990 to 2017. The data represents U.S. city averages. The base period was 1982-84. In economics, the inflation rate is a measure of inflation, the rate of increase of a price index (in the below case: consumer price index). It is the percentage rate of change in price level over time. The rate of decrease in the purchasing power of money is approx. equal. In 2017, prices went up by 2.1% compared to the previous year.
Inflation
Inflation is a fundamental economic indicator, if an average pair of socks costs 100 dollars one year and 105 dollars the following year, the inflation rate is 5%.
