August consumer price index: all items up 1.9% year on yearPrices are about 1.9% higher on average than a year ago
In the nationwide consumer price index (2025 base) for August, released on September 18, 2026 by the Statistics Bureau of the Ministry of Internal Affairs and Communications, the all-items index was 102.2 (2025 = 100), up 1.9% year on year. All items excluding fresh food was 102.0, up 1.7%, and all items excluding fresh food and energy was 102.5, up 1.9%.
Key points
- All-items index: 102.2, up 1.9% year on year
- All items excluding fresh food: 102.0, up 1.7% year on year
- All items excluding fresh food and energy: 102.5, up 1.9% year on year
- The index uses a 2025 base, with the 2025 average set at 100
What to do in practice
- Check, using your own figures, how unit prices for purchases, outsourcing and utilities have moved from the previous year
- When revising prices or renewing contracts, refer to official price indicators as grounds to explain to business partners
The government checked the prices of things and services people usually buy and compared them with a year earlier. In August, prices overall were 1.9% higher on average. Leaving out fresh food such as vegetables and fish, the average was 1.7% higher.
- Total a year ago
- 1,000 yen
- +1.9%
- about 19 yen
- Total now
- about 1,019 yen
Points
- Overall prices are 1.9% higher than a year ago
- Without fresh food, prices are 1.7% higher
- Without fresh food and energy, prices are 1.9% higher
What the words mean
- Consumer price index (CPI)
- A number that puts together the prices of things ordinary households buy and shows how they move
- Year-on-year
- The change compared with the same month a year earlier
- Statistics Bureau of Japan, Ministry of Internal Affairs and Communications: Statistics Bureau of Japan (MIC): Consumer Price Index (CPI), Japan (summary of the latest monthly results)
Economic news presents published statistics and outlooks. It is not investment solicitation or trading advice. Figures are as of publication and may be revised.
This article summarizes and explains materials published by government agencies and is not advice on any individual case. Rules can change, so for actual procedures and decisions always check the latest original materials and consult professionals such as tax accountants or labor and social security attorneys. English, Simplified Chinese and Traditional Chinese versions are translations prepared from the Japanese articles for convenience. If anything differs, the Japanese text and the original source take precedence.