China vs South Korea: Electricity generation from nuclear
China
487.61 terawatt-hours
in 2025
South Korea
184.67 terawatt-hours
in 2025
China rank
2nd
South Korea rank
5th
Electricity generation from nuclear over time
- China
- South Korea
How they compare
China currently reports 487.61 terawatt-hours against 184.67 terawatt-hours in South Korea, a difference of 302.94 terawatt-hours.
That makes China's figure about 2.6 times South Korea's.
The two have swapped places 1 time across 61 shared years of data; in 1965 it was South Korea ahead.
China ranks 2nd and South Korea ranks 5th of 209 countries.
Across the 7 decades both report, China averaged higher in 2 and South Korea in 4.
Head to head by decade
| Decade | China | South Korea | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 1970s | 0 terawatt-hours | 0.5548 terawatt-hours | 0.5548 terawatt-hours | South Korea |
| 1980s | 0 terawatt-hours | 20.27 terawatt-hours | 20.27 terawatt-hours | South Korea |
| 1990s | 8.7 terawatt-hours | 69.33 terawatt-hours | 60.63 terawatt-hours | South Korea |
| 2000s | 46.16 terawatt-hours | 133.78 terawatt-hours | 87.61 terawatt-hours | South Korea |
| 2010s | 178.13 terawatt-hours | 150.34 terawatt-hours | 27.79 terawatt-hours | China |
| 2020s | 427.44 terawatt-hours | 174.69 terawatt-hours | 252.75 terawatt-hours | China |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher electricity generation from nuclear, China or South Korea?
- China, at 487.61 terawatt-hours against 184.67 terawatt-hours in South Korea as of 2025.
- What is the difference in electricity generation from nuclear between China and South Korea?
- 302.94 terawatt-hours, with China ahead.
- How many years of comparable data are there for China and South Korea?
- 61 years are reported by both, from 1965 to 2025.
- How do China and South Korea rank globally for electricity generation from nuclear?
- China ranks 2nd and South Korea ranks 5th of 209 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 nuclear. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Measured in terawatt-hours.