Consumer Price Index

CPI Methodology

BLS Handbook of Methods, Chapter 17, Consumer Price Indexes

OPLC Program Comparisons

Comparison of BLS Price and Spending Measures

Frequently Asked Questions

  1. How is the CPI calculated?
  2. How is the CPI market basket determined?
  3. How do I read or interpret an index?
  4. How are CPI prices collected and reviewed?

All CPI FAQs »

How BLS Measures Price Changes in the CPI for...

How BLS Measures Price Change in the Consumer Price Index for:

Articles and Research Papers


BLS Statistical Survey Papers

Monthly Labor Review Articles on CPI Methodology

CPI Working Papers

Citations for papers not available online (HTML)

Special Notices

"Publishing Consumer Price Indexes to Three Decimal Places: Questions and Answers".

Seasonal adjustment in the CPI, our page on seasonal adjustment.

Further Information

For further assistance contact the CPI Section of Index Analysis and Public Information at or (202) 691-7000.

Last Modified Date: July 13, 2015

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