Eye drops
Average retail price
- Cheapest surveyed city
- ¥308 Kochi
- Priciest surveyed city
- ¥524 Wakayama
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
Eye drops costs ¥361 per piece in Japan as of August 2026 — the unweighted average of 47 surveyed cities, up 1.1% from a year earlier. Measured as an index, the official CPI for eye drops reads 103.9 (2020 = 100) in August 2026, up 1.6% year on year and up 2.9% over five years.
Eye drops sits in the medical care group of Japan's CPI basket, with 320 monthly observations from January 2000 to August 2026. The series peaked at 145.6 in June 2000 and bottomed at 95.1 in July 2018; the latest reading is -28.6% against that peak. Against ten years ago it is +3.4%.
Annual average index by year
| Year | Index | YoY % | Months |
|---|---|---|---|
| 2015 | 100.9 | -1.2% | 12 |
| 2016 | 100.2 | -0.7% | 12 |
| 2017 | 101.3 | +1.1% | 12 |
| 2018 | 96.4 | -4.8% | 12 |
| 2019 | 97.7 | +1.3% | 12 |
| 2020 | 100.0 | +2.4% | 12 |
| 2021 | 101.1 | +1.1% | 12 |
| 2022 | 101.8 | +0.7% | 12 |
| 2023 | 102.1 | +0.3% | 12 |
| 2024 | 103.4 | +1.3% | 12 |
| 2025 | 103.3 | -0.1% | 12 |
| 2026 | 103.2 | -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 | ¥361 |
|---|---|
| 2026-07 | ¥361 |
| 2026-06 | ¥363 |
| 2026-05 | ¥359 |
| 2026-04 | ¥358 |
| 2026-03 | ¥355 |
| 2026-02 | ¥348 |
| 2026-01 | ¥353 |
| 2025-12 | ¥354 |
| 2025-11 | ¥354 |
| 2025-10 | ¥354 |
| 2025-09 | ¥357 |
| 2025-08 | ¥357 |
Frequently asked questions
- How much does eye drops cost in Japan?
- ¥361 per piece, as of August 2026 — the unweighted average of 47 surveyed cities in the government's retail price survey.
- Which Japanese city has the cheapest eye drops?
- Among the surveyed cities in August 2026, Kochi was cheapest at ¥308 and Wakayama the most expensive at ¥524.
- How much have eye drops prices changed in Japan over the past year?
- As of August 2026, +1.6% year on year, measured by Japan's official consumer price index (2020 = 100).
- How much have eye drops prices changed in Japan over the past five years?
- +2.9% compared with the same month five years earlier. The index now reads 103.9.
- When were eye drops prices in Japan at their highest?
- The series peaked at 145.6 in June 2000. The latest reading is -28.6% 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).