Japan vs South Korea: Electricity generation by source
Japan
0 terawatt-hours
in 2025
South Korea
0 terawatt-hours
in 2025
Japan rank
28th
South Korea rank
28th
Electricity generation by source over time
- Japan
- South Korea
How they compare
Japan currently reports 0 terawatt-hours against 0 terawatt-hours in South Korea, a difference of 0 terawatt-hours.
The two have swapped places 1 time across 55 shared years of data; in 1971 it was Japan ahead.
Japan ranks 28th and South Korea ranks 28th of 214 countries.
Japan has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Japan | South Korea | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 0.4726 terawatt-hours | 0 terawatt-hours | 0.4726 terawatt-hours | Japan |
| 1980s | 10.96 terawatt-hours | 0 terawatt-hours | 10.96 terawatt-hours | Japan |
| 1990s | 13.85 terawatt-hours | 0.0876 terawatt-hours | 13.76 terawatt-hours | Japan |
| 2000s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 2010s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 2020s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher electricity generation by source, Japan or South Korea?
- Japan, at 0 terawatt-hours against 0 terawatt-hours in South Korea as of 2025.
- What is the difference in electricity generation by source between Japan and South Korea?
- 0 terawatt-hours, with Japan ahead.
- How many years of comparable data are there for Japan and South Korea?
- 55 years are reported by both, from 1971 to 2025.
- How do Japan and South Korea rank globally for electricity generation by source?
- Japan ranks 28th and South Korea ranks 28th of 214 countries.
- Where does this data come from?
- Ember (2026); Pinto et al. (2023); Energy Institute - Statistical Review of World Energy (2026) – with major processing by Our World in Data, published as Electricity generation by source. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Measured in terawatt-hours.