Romania vs South Africa: Primary energy from nuclear
Romania
33.37 terawatt-hours
in 2025
South Africa
32.52 terawatt-hours
in 2025
Romania rank
25th
South Africa rank
27th
Primary energy from nuclear over time
- Romania
- South Africa
How they compare
Romania currently reports 33.37 terawatt-hours against 32.52 terawatt-hours in South Africa, a difference of 0.85 terawatt-hours.
The two have swapped places 3 times across 61 shared years of data; in 1965 it was South Africa ahead.
Romania ranks 25th and South Africa ranks 27th of 219 countries.
Across the 7 decades both report, Romania averaged higher in 1 and South Africa in 4.
Head to head by decade
| Decade | Romania | South Africa | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 1970s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 1980s | 0 terawatt-hours | 13.88 terawatt-hours | 13.88 terawatt-hours | South Africa |
| 1990s | 5.24 terawatt-hours | 32.12 terawatt-hours | 26.88 terawatt-hours | South Africa |
| 2000s | 20.83 terawatt-hours | 36.42 terawatt-hours | 15.59 terawatt-hours | South Africa |
| 2010s | 34.92 terawatt-hours | 40.64 terawatt-hours | 5.73 terawatt-hours | South Africa |
| 2020s | 33.82 terawatt-hours | 31.8 terawatt-hours | 2.02 terawatt-hours | Romania |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary energy from nuclear, Romania or South Africa?
- Romania, at 33.37 terawatt-hours against 32.52 terawatt-hours in South Africa as of 2025.
- What is the difference in primary energy from nuclear between Romania and South Africa?
- 0.85 terawatt-hours, with Romania ahead.
- How many years of comparable data are there for Romania and South Africa?
- 61 years are reported by both, from 1965 to 2025.
- How do Romania and South Africa rank globally for primary energy from nuclear?
- Romania ranks 25th and South Africa ranks 27th of 219 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data, published as 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 in terawatt-hours of total energy supply.