Home-delivery water price in Japan
Average retail price
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
Home-delivery water costs ¥4,171 per set in Japan as of September 2026 — the official nationwide price, up 1.9% from a year earlier. Measured as an index, the official CPI for home-delivery water reads 103.3 (2020 = 100) in September 2026, up 2.0% year on year and up 3.3% over five years.
Home-delivery water sits in the food group of Japan's CPI basket, with 81 monthly observations from January 2020 to September 2026. The series peaked at 105.3 in August 2026 and bottomed at 100.0 in January 2020; the latest reading is -1.9% against that peak.
Annual average index by year
| Year | Index | YoY % | Months |
|---|---|---|---|
| 2020 | 100.0 | — | 12 |
| 2021 | 100.0 | 0.0% | 12 |
| 2022 | 100.0 | 0.0% | 12 |
| 2023 | 100.0 | 0.0% | 12 |
| 2024 | 101.0 | +1.0% | 12 |
| 2025 | 101.3 | +0.3% | 12 |
| 2026 | 102.6 | +1.3% | 9 |
Average of the monthly index values in each year (2020 = 100). Blank months are excluded.
Average retail price by month
| 2026-09 | ¥4,171 |
|---|---|
| 2026-08 | ¥4,255 |
| 2026-07 | ¥4,147 |
| 2026-06 | ¥4,147 |
| 2026-05 | ¥4,147 |
| 2026-04 | ¥4,147 |
| 2026-03 | ¥4,093 |
| 2026-02 | ¥4,093 |
| 2026-01 | ¥4,093 |
| 2025-12 | ¥4,093 |
| 2025-11 | ¥4,093 |
| 2025-10 | ¥4,093 |
| 2025-09 | ¥4,093 |
Frequently asked questions
- How much does home-delivery water cost in Japan?
- ¥4,171 per set, as of September 2026 — the official nationwide price in the government's retail price survey.
- How much have home-delivery water prices changed in Japan over the past year?
- As of September 2026, +2.0% year on year, measured by Japan's official consumer price index (2020 = 100).
- How much have home-delivery water prices changed in Japan over the past five years?
- +3.3% compared with the same month five years earlier. The index now reads 103.3.
- When were home-delivery water prices in Japan at their highest?
- The series peaked at 105.3 in August 2026. The latest reading is -1.9% 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).