Light bulb / lamp
Average retail price
- Cheapest surveyed city
- ¥2,030 Tokorozawa
- Priciest surveyed city
- ¥3,487 Nagasaki
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
Light bulb / lamp costs ¥3,103 per piece in Japan as of August 2026 — the unweighted average of 81 surveyed cities, up 22.6% from a year earlier. Measured as an index, the official CPI for light bulb / lamp reads 175.1 (2020 = 100) in August 2026, down 4.7% year on year and up 56.8% over five years.
Light bulb / lamp 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 186.6 in June 2025 and bottomed at 62.8 in August 1972; the latest reading is -6.2% against that peak. Against ten years ago it is +96.1%.
Annual average index by year
| Year | Index | YoY % | Months |
|---|---|---|---|
| 2015 | 89.1 | +2.1% | 12 |
| 2016 | 89.5 | +0.4% | 12 |
| 2017 | 89.6 | +0.1% | 12 |
| 2018 | 89.3 | -0.3% | 12 |
| 2019 | 88.2 | -1.2% | 12 |
| 2020 | 100.0 | +13.4% | 12 |
| 2021 | 111.2 | +11.2% | 12 |
| 2022 | 125.7 | +13.0% | 12 |
| 2023 | 140.2 | +11.5% | 12 |
| 2024 | 166.2 | +18.5% | 12 |
| 2025 | 182.3 | +9.7% | 12 |
| 2026 | 179.2 | -1.7% | 8 |
Average of the monthly index values in each year (2020 = 100). Blank months are excluded.
Average retail price by month
| 2026-08 | ¥3,103 |
|---|---|
| 2026-07 | ¥3,145 |
| 2026-06 | ¥3,145 |
| 2026-05 | ¥3,267 |
| 2026-04 | ¥3,276 |
| 2026-03 | ¥3,228 |
| 2026-02 | ¥2,477 |
| 2026-01 | ¥2,454 |
| 2025-12 | ¥2,412 |
| 2025-11 | ¥2,422 |
| 2025-10 | ¥2,486 |
| 2025-09 | ¥2,572 |
| 2025-08 | ¥2,530 |
Frequently asked questions
- How much does light bulb / lamp cost in Japan?
- ¥3,103 per piece, as of August 2026 — the unweighted average of 81 surveyed cities in the government's retail price survey.
- Which Japanese city has the cheapest light bulb / lamp?
- Among the surveyed cities in August 2026, Tokorozawa was cheapest at ¥2,030 and Nagasaki the most expensive at ¥3,487.
- How much have light bulb / lamp prices changed in Japan over the past year?
- As of August 2026, -4.7% year on year, measured by Japan's official consumer price index (2020 = 100).
- How much have light bulb / lamp prices changed in Japan over the past five years?
- +56.8% compared with the same month five years earlier. The index now reads 175.1.
- When were light bulb / lamp prices in Japan at their highest?
- The series peaked at 186.6 in June 2025. The latest reading is -6.2% 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).