Updating the Consumer Price Index used for the calculation of the Final Demand-Intermediate Demand price indexes (FD-ID price indexes) (2020 base)

August 10, 2026
Research and Statistics Department
Bank of Japan

Following the rebasing of the Consumer Price Index (CPI) from the 2020 base to the 2025 base, the CPI series used for the calculation of the Final Demand-Intermediate Demand price indexes for the period from January 2025 onward will be updated to the 2025-base series.

This change will apply to the indexes released on August 28, 2026, and thereafter.

Inquiries

Price Statistics Division, Research and Statistics Department

E-mail : post.rsd3@boj.or.jp