The Consumer Price Index is compiled monthly to measure changes in various goods and services purchased by households all over Japan to analyze the movement of prices in time series. It is collected based on retail prices of each municipality and item obtained from the Retail Price Survey, using the Laspeyres-type formula. The year for the base and weights of the current index is 2020.
In 2024, the Consumer Price Index (CPI) of all items in Japan stood at  index points, up from  points in the previous year. The lowest price level in the past 20 years was recorded in **** and ****, with a CPI of ****.
What is the CPI?
The CPI is a price index that measures the average price development of a set basket of goods and services purchased by households. Annual or monthly changes in the index are referred to as the inflation rate. In ****, Japan recorded the highest inflation rate since 1982. Inflation slowed in 2024, reaching *** percent. ** was the category with the highest price level increase, followed by ****. Japan’s core inflation, excluding volatile fresh food prices, stood at *** percent.
Producer price indices in Japan
The producer price index (PPI) measures the price development of goods traded between businesses. At the same time, the services producer price index (SPPI) covers the price development of service products that are provided by businesses to other businesses and the central and local governments of Japan. Both the PPI and SSPI rose to a decade high in 2024. Producer price indices can serve as an early indicator of price developments in an economy before prices are passed on to consumers.
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e-Stat (Japan). (January 24, 2026). Consumer Price Index (CPI) of all items in Japan from 1990 to 2025 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 20, 2026, from /statistics/661908/japan-consumer-price-index/
e-Stat (Japan). "Consumer Price Index (CPI) of all items in Japan from 1990 to 2025." Chart. January 24, 2026. ÌÇÐÄÆƽâ°æ. Accessed July 20, 2026. /statistics/661908/japan-consumer-price-index/
e-Stat (Japan). (2026). Consumer Price Index (CPI) of all items in Japan from 1990 to 2025. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 20, 2026. /statistics/661908/japan-consumer-price-index/
e-Stat (Japan). "Consumer Price Index (Cpi) of All Items in Japan from 1990 to 2025." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 24 Jan 2026, /statistics/661908/japan-consumer-price-index/
e-Stat (Japan), Consumer Price Index (CPI) of all items in Japan from 1990 to 2025 ÌÇÐÄÆƽâ°æ, /statistics/661908/japan-consumer-price-index/ (last visited July 20, 2026)
Consumer Price Index (CPI) of all items in Japan from 1990 to 2025 [Graph], e-Stat (Japan), January 24, 2026. [Online]. Available: /statistics/661908/japan-consumer-price-index/
