This statistic shows the monthly percent change in the chained consumer price index in the U.S. The data represents U.S. city averages. The base period was December 1999=100. The chain weighted CPI incorporates the average changes in the quantity of goods purchased, along with standard pricing effects. This allows the chain weighted CPI to reflect situations where customers shift the weight of their purchases from one area of spending to another. In August 2018, prices were unchanged compared to July 2018.
A projection of the annual inflation rate of the country can be accessed here and the actual annual inflation rate since 1990 can be accessed here.
