Japan vs South Korea: Electricity generation from fossil fuels, nuclear and renewables
Japan
693.04 terawatt-hours
in 2025
South Korea
375.06 terawatt-hours
in 2025
Japan rank
5th
South Korea rank
7th
Electricity generation from fossil fuels, nuclear and renewables over time
- Japan
- South Korea
How they compare
Japan currently reports 693.04 terawatt-hours against 375.06 terawatt-hours in South Korea, a difference of 317.98 terawatt-hours.
That makes Japan's figure about 1.8 times South Korea's.
Across all 41 years both countries report, Japan has been ahead every year.
Japan ranks 5th and South Korea ranks 7th of 208 countries.
Japan has averaged higher in every one of the 5 decades both report.
Head to head by decade
| Decade | Japan | South Korea | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 444.26 terawatt-hours | 43.27 terawatt-hours | 400.99 terawatt-hours | Japan |
| 1990s | 608.99 terawatt-hours | 116.83 terawatt-hours | 492.16 terawatt-hours | Japan |
| 2000s | 738.15 terawatt-hours | 238.2 terawatt-hours | 499.95 terawatt-hours | Japan |
| 2010s | 874.63 terawatt-hours | 382.25 terawatt-hours | 492.38 terawatt-hours | Japan |
| 2020s | 735.62 terawatt-hours | 383.02 terawatt-hours | 352.6 terawatt-hours | Japan |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher electricity generation from fossil fuels, nuclear and renewables, Japan or South Korea?
- Japan, at 693.04 terawatt-hours against 375.06 terawatt-hours in South Korea as of 2025.
- What is the difference in electricity generation from fossil fuels, nuclear and renewables between Japan and South Korea?
- 317.98 terawatt-hours, with Japan ahead.
- How many years of comparable data are there for Japan and South Korea?
- 41 years are reported by both, from 1985 to 2025.
- How do Japan and South Korea rank globally for electricity generation from fossil fuels, nuclear and renewables?
- Japan ranks 5th and South Korea ranks 7th of 208 countries.
- Where does this data come from?
- Ember (2026) and other sources – with major processing by Our World in Data, published as Electricity generation from fossil fuels, nuclear and renewables. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Electricity generation from coal, oil, and gas, measured in terawatt-hours.