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Consumer Price Index

Archived Consumer Price Index Supplemental Files

Supplemental files for the current year are available individually by month. Supplemental files for previous years are available in a compressed file for each year.

Caution: Data in archived CPI Supplemental files may have been revised in subsequent editions. In particular, seasonally adjusted indexes and percent changes are revised with the release of January data each year for the preceding five years.

December 2020*

*Tables 2 and 6, and the CPI-U news release companion file, were reissued on January 19, 2021, correcting values for 29 seasonally adjusted special relative series. For more detail, see this errata page

November 2020

October 2020

September 2020

August 2020

July 2020

June 2020

May 2020

April 2020

March 2020

February 2020

January 2020

Previous Years

      • 2019 Supplemental Files (ZIP)
      • 2018 Supplemental Files (ZIP)
      • 2017 Supplemental Files (ZIP)
      • 2016 Supplemental Files (ZIP)
      • 2015 Supplemental Files (ZIP)
      • 2014 Supplemental Files (ZIP)
      • 2013 Supplemental Files (ZIP)
      • 2012 Supplemental Files (ZIP)

Instructions to decompress Zip files

Last Modified Date: January 19, 2021