An official website of the United States government
United States Department of Labor
United States Department of Labor
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.
Consumer Price Index
SHARE ON:
CPI Methods Overview Page
An in-depth guide on how we create estimates and the concepts we measure.
Learn more about the Chained CPI (C-CPI-U). The C-CPI-U reflects the effect of substitution that consumers make across item categories in responses to price changes.
Some products change over time. Find out how we make adjustments to ensure accurate price measurement.
Find out how we make adjustments to the data to account for seasonal patterns.
Read some working papers on ways we improve our measurement and analysis of trends in the data.
Detail on how we conduct the survey and short explanations of our concepts.
Explore additional information about the Consumer Price Index program including appendices to the Handbook of Methods and other papers.