This graph depicts the annual inflation rate in the United States from 2010 to 2020, with forecasts up to 2026. The information is based on city averages in the United States. 1982-84 was the starting point. The inflation rate, or rate of increase of a price index, is a measurement of inflation in economics (in this case: consumer price index). It is the rate of change in the level of prices over time expressed as a percentage. The pace of loss in money’s purchasing power is almost comparable. Prices are expected to rise 2.26 percent in 2021, according to the prediction.