Utilities (fuel & water) · code 4610
Sewer charge price in Japan
下水道料
Key facts
As of September 2026, sewer charge prices in Japan are up 1.6% year on year and up 4.0% over five years. The official consumer price index stands at 105.0 (2020 = 100), up 118.8% versus January 1985, when the series begins.
Sewer charge sits in the utilities (fuel & water) group of Japan's CPI basket, with 501 monthly observations from January 1985 to September 2026. The series peaked at 105.2 in May 2026 and bottomed at 48.0 in January 1985; the latest reading is -0.2% against that peak. Against ten years ago it is +9.5%.
Latest CPI
105.0
2026-09 (2020=100)
YoY %
+1.6%
5y change %
+4.0%
Change since 1985-01
+118.8%
Annual average index by year
| Year | Index | YoY % | Months |
|---|---|---|---|
| 2015 | 95.7 | +1.5% | 12 |
| 2016 | 95.9 | +0.2% | 12 |
| 2017 | 96.6 | +0.7% | 12 |
| 2018 | 97.3 | +0.7% | 12 |
| 2019 | 98.1 | +0.8% | 12 |
| 2020 | 100.0 | +1.9% | 12 |
| 2021 | 100.9 | +0.9% | 12 |
| 2022 | 100.6 | -0.3% | 12 |
| 2023 | 101.2 | +0.6% | 12 |
| 2024 | 102.2 | +1.0% | 12 |
| 2025 | 102.9 | +0.7% | 12 |
| 2026 | 103.8 | +0.9% | 9 |
Average of the monthly index values in each year (2020 = 100). Blank months are excluded.
Frequently asked questions
- How much have sewer charge prices changed in Japan over the past year?
- As of September 2026, +1.6% year on year, measured by Japan's official consumer price index (2020 = 100).
- How much have sewer charge prices changed in Japan over the past five years?
- +4.0% compared with the same month five years earlier. The index now reads 105.0.
- When were sewer charge prices in Japan at their highest?
- The series peaked at 105.2 in May 2026. The latest reading is -0.2% 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).