South Korea vs Romania: Share of primary energy from nuclear
South Korea
15.5%
in 2025
Romania
10.5%
in 2025
South Korea rank
12th
Romania rank
15th
Share of primary energy from nuclear over time
- South Korea
- Romania
How they compare
South Korea currently reports 15.5% against 10.5% in Romania, a difference of 5.0%.
That makes South Korea's figure about 1.5 times Romania's.
The two have swapped places 1 time across 61 shared years of data; in 1965 it was Romania ahead.
South Korea ranks 12th and Romania ranks 15th of 215 countries.
South Korea has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | South Korea | Romania | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0.0% | 0.0% | 0.0% | — |
| 1970s | 0.4% | 0.0% | 0.4% | South Korea |
| 1980s | 8.3% | 0.0% | 8.3% | South Korea |
| 1990s | 12.5% | 1.2% | 11.4% | South Korea |
| 2000s | 15.5% | 5.1% | 10.4% | South Korea |
| 2010s | 13.5% | 9.9% | 3.7% | South Korea |
| 2020s | 14.8% | 10.3% | 4.5% | South Korea |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of primary energy from nuclear, South Korea or Romania?
- South Korea, at 15.5% against 10.5% in Romania as of 2025.
- What is the difference in share of primary energy from nuclear between South Korea and Romania?
- 5.0%, with South Korea ahead.
- How many years of comparable data are there for South Korea and Romania?
- 61 years are reported by both, from 1965 to 2025.
- How do South Korea and Romania rank globally for share of primary energy from nuclear?
- South Korea ranks 12th and Romania ranks 15th of 215 countries.
- Where does this data 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 Share of primary energy from nuclear. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Measured as a percentage of total energy supply.