US CPI data download from 1913

CPI (Consumer Price Index) measures the price level of a market basket of consumer goods and services purchased by households. The annual change of CPI expressed as percentage is called inflation . If you would rather download inflation data, follow this guide . Thanks to US Bureau of Labor Statistics we can download historical US CPI data for free back until 1913. (Longest timeframe is only available for data that is not adjusted with seasonality.)