Share of primary energy from solar in Japan
Japan: Share of primary energy from solar was 2.4% in 2025. ◆ Volatile
Share of primary energy from solar in Japan, 1965–2025
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data. Measured in %.
Analysis
In 2025, share of primary energy from solar in Japan stood at 2.4%. That is the highest value across all 61 years on record.
The figure is up 15.3% on the previous year and up 265.0% over ten years.
Over the whole period, share of primary energy from solar in Japan peaked at 2.4% in 2025 and was at its lowest, 0.0%, in 1965.
Japan ranks 25th of 79 countries on this measure, in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0.0% | 0.0% | 0.0% | 5 |
| 1970s | 0.0% | 0.0% | 0.0% | 10 |
| 1980s | 0.0% | 0.0% | 0.0% | 10 |
| 1990s | 0.0% | 0.0% | 0.0% | 10 |
| 2000s | 0.0% | 0.0% | 0.1% | 10 |
| 2010s | 0.6% | 0.1% | 1.3% | 10 |
| 2020s | 2.0% | 1.6% | 2.4% | 6 |
Countries ranked near Japan
More energy & mining data for Japan
- Fuel imports 19.6% (2025)
- Ores and metals imports 7.0% (2025)
- Ores and metals exports 3.6% (2025)
- Gas production 22.04 terawatt-hours (2024)
- Fossil fuel production per person, by fuel 178.13 kilowatt-hours per person (2024)
- Fossil fuel production by fuel 22.04 terawatt-hours (2024)
- Gas production per person 178.13 kilowatt-hours per person (2024)
- Fuel exports 1.2% (2025)
- Electric power transmission and distribution losses 4.9% (2024)
- Share of dietary energy supply from carbohydrates vs. GDP per capita 55.1% (2022)
Frequently asked questions
- What is share of primary energy from solar in Japan?
- Share of primary energy from solar in Japan was 2.4% in 2025, according to Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data.
- What is the highest share of primary energy from solar recorded in Japan?
- The highest recorded value was 2.4% in 2025.
- What is the lowest share of primary energy from solar recorded in Japan?
- The lowest recorded value was 0.0% in 1965.
- How does Japan rank for share of primary energy from solar?
- Japan ranks 25th out of 79 countries with data for 2025.
- Is share of primary energy from solar rising or falling in Japan?
- Over the last ten years it is up 265.0%. The long-run trend across the full record is volatile.
- Where does this Japan data come from?
- The figures come from Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as part of Share of primary energy from solar. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 61 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Measured as a percentage of total energy supply.