Country energy profile · Japan · 2025
What percentage of Japan’s energy comes from fossil fuels?
In 2025, fossil fuels supplied 85.7% of Japan’s total energy. Oil is its largest single source. That compares with a world average of 86.2%.
Oil 39.5%, natural gas 19.7%, coal 26.4% · non-fossil 14.3%.
Source: Energy Institute Statistical Review of World Energy 2025 data. Site updated August 13, 2026.
Japan energy mix, 2025
Share of total primary energy by source
Key facts
| Fossil-fuel share | 85.7% |
| World average | 86.2% |
| Main fossil fuel | Oil |
| Change since 2010 | +3.6 pts |
| Fossil energy per person | 114.7 GJ |
| CO₂ per person | 8.0 t |
| Fossil share of electricity | 61.5% |
| World rank, fossil energy used | #5 of 80 |
Is Japan getting less dependent on fossil fuels?
Fossil-fuel share of total energy since 1965, with the absolute amount of fossil fuel used. Share and volume can move in opposite directions.
Fossil share vs. consumption
Left axis: % of primary energy · Right axis: exajoules (EJ)
Oil vs. gas vs. coal in Japan
Consumption by fuel, 1965–2025
Exajoules (EJ) per year
Total energy vs. electricity
Japan’s electricity has a lower fossil share than its overall energy use, because transport, heating and industry still lean heavily on oil, gas and coal.
Total energy
| Fossil share | 85.7% |
| Oil | 39.5% |
| Gas | 19.7% |
| Coal | 26.4% |
Electricity
| Fossil share | 61.5% |
| Low-carbon share | 33.0% |
| Nuclear + hydro | 16.4% |
| Wind + solar + other renewables | 16.7% |
Frequently asked questions
What percentage of Japan's energy comes from fossil fuels?
In 2025, fossil fuels supplied about 85.7% of Japan's total primary energy: oil 39.5%, natural gas 19.7% and coal 26.4%. The world average is 86.2%.
What is Japan's main energy source?
Japan's largest fossil fuel is oil. Non-fossil sources make up 14.3% of its energy.
Is Japan reducing its dependence on fossil fuels?
Since 2010, Japan's fossil-fuel share of energy has risen by 3.6 percentage points, to 85.7%.
How much of Japan's electricity comes from fossil fuels?
About 61.5% of Japan's electricity came from fossil fuels in 2025, versus 85.7% of its total energy. Electricity is usually the lower-carbon of the two.
Compare with other countries
Source: Energy Institute Statistical Review of World Energy, 2025 data (annual series back to 1965). See methodology.