An official website of the United States government
Here’s how you know
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.
The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.
The Consumer Price Index measures the average change over time in the prices paid by urban consumers for a number of fixed goods compared to the base price of those same goods at a specific time in the past. The base price level is set as 100.