Dishwashing detergent
Average retail price
- Cheapest surveyed city
- ¥322 Hachinohe
- Priciest surveyed city
- ¥497 Matsue
The surveyed product specification changed in October 2025, so figures before that month are for a different product and are not comparable (¥234 → ¥356). Year-on-year change is withheld until 12 months of the new specification are available.
Retail price survey conducted by the Statistics Bureau of Japan. This is a survey average, not a shop price — actual prices vary by store. 総務省統計局 小売物価統計調査 · Surveyed items and specifications
Key facts
Dishwashing detergent costs ¥374 per unit in Japan as of August 2026 — the unweighted average of 81 surveyed cities. Measured as an index, the official CPI for dishwashing detergent reads 128.1 (2020 = 100) in August 2026, up 4.6% year on year and up 26.5% over five years.
Dishwashing detergent sits in the furniture & household group of Japan's CPI basket, with 680 monthly observations from January 1970 to August 2026. The series peaked at 174.8 in July 1986 and bottomed at 92.4 in December 2017; the latest reading is -26.7% against that peak. Against ten years ago it is +20.8%.
Annual average index by year
| Year | Index | YoY % | Months |
|---|---|---|---|
| 2015 | 113.7 | -0.2% | 12 |
| 2016 | 108.7 | -4.4% | 12 |
| 2017 | 100.1 | -7.9% | 12 |
| 2018 | 97.3 | -2.8% | 12 |
| 2019 | 97.9 | +0.6% | 12 |
| 2020 | 100.0 | +2.1% | 12 |
| 2021 | 101.2 | +1.2% | 12 |
| 2022 | 101.6 | +0.4% | 12 |
| 2023 | 113.3 | +11.5% | 12 |
| 2024 | 122.0 | +7.7% | 12 |
| 2025 | 122.2 | +0.2% | 12 |
| 2026 | 122.3 | +0.1% | 8 |
Average of the monthly index values in each year (2020 = 100). Blank months are excluded.
Average retail price by month
| 2026-08 | ¥374 |
|---|---|
| 2026-07 | ¥379 |
| 2026-06 | ¥355 |
| 2026-05 | ¥354 |
| 2026-04 | ¥354 |
| 2026-03 | ¥356 |
| 2026-02 | ¥355 |
| 2026-01 | ¥354 |
| 2025-12 | ¥353 |
| 2025-11 | ¥358 |
| 2025-10 | ¥359 |
Frequently asked questions
- How much does dishwashing detergent cost in Japan?
- ¥374 per unit, as of August 2026 — the unweighted average of 81 surveyed cities in the government's retail price survey.
- Which Japanese city has the cheapest dishwashing detergent?
- Among the surveyed cities in August 2026, Hachinohe was cheapest at ¥322 and Matsue the most expensive at ¥497.
- How much have dishwashing detergent prices changed in Japan over the past year?
- As of August 2026, +4.6% year on year, measured by Japan's official consumer price index (2020 = 100).
- How much have dishwashing detergent prices changed in Japan over the past five years?
- +26.5% compared with the same month five years earlier. The index now reads 128.1.
- When were dishwashing detergent prices in Japan at their highest?
- The series peaked at 174.8 in July 1986. The latest reading is -26.7% against that peak.
- What is the difference between the index and the yen price?
- This page carries two kinds of number. The index (2020 = 100) measures percentage change over time and is not a yen amount; the yen figure is an actual average retail price from the government's retail price survey. Source: 総務省統計局 消費者物価指数 (e-Stat table 0003427113, nationwide, monthly).