Main contents start here
Consumer Price Index
Information
- We release the 2025-base CPI on the following schedule.
Results
- Latest Monthly Results
- 2025 Yearly Average Results for Japan (2020-base)
- Historical Data
- Notes for users
Schedule
Methodology and other information
2020-Base
- 2020-Base Explanation of the Consumer Price Index
- List of information for items of the 2020-Base CPI (PDF:761KB) (Excel:152KB)
- Main points of the 2020-base revision
2015-Base
- 2015-Base Explanation of the Consumer Price Index
- List of information for items of the 2015-Base CPI (PDF:75KB) (Excel:327KB)
- Main points of the 2015-base revision
2010-Base
- 2010-Base Explanation of the Consumer Price Index
- Re-tabulation of 2010-base CPI (Japan, January 2010 - April 2015)
For more information
Some of the publications on this site are in PDF. To view them you will need to have Adobe Reader. Please click the graphic link to download Adobe Reader.