Bulgaria vs South Africa: Primary energy from nuclear
Bulgaria
46.47 terawatt-hours
in 2025
South Africa
32.52 terawatt-hours
in 2025
Bulgaria rank
24th
South Africa rank
27th
Primary energy from nuclear over time
- Bulgaria
- South Africa
How they compare
Bulgaria currently reports 46.47 terawatt-hours against 32.52 terawatt-hours in South Africa, a difference of 13.95 terawatt-hours.
That makes Bulgaria's figure about 1.4 times South Africa's.
The two have swapped places 1 time across 61 shared years of data; in 1965 it was South Africa ahead.
Bulgaria ranks 24th and South Africa ranks 27th of 219 countries.
Bulgaria has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | Bulgaria | South Africa | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 1970s | 8.01 terawatt-hours | 0 terawatt-hours | 8.01 terawatt-hours | Bulgaria |
| 1980s | 36.16 terawatt-hours | 13.88 terawatt-hours | 22.28 terawatt-hours | Bulgaria |
| 1990s | 46.82 terawatt-hours | 32.12 terawatt-hours | 14.7 terawatt-hours | Bulgaria |
| 2000s | 53.29 terawatt-hours | 36.42 terawatt-hours | 16.87 terawatt-hours | Bulgaria |
| 2010s | 47.51 terawatt-hours | 40.64 terawatt-hours | 6.86 terawatt-hours | Bulgaria |
| 2020s | 48.91 terawatt-hours | 31.8 terawatt-hours | 17.11 terawatt-hours | Bulgaria |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary energy from nuclear, Bulgaria or South Africa?
- Bulgaria, at 46.47 terawatt-hours against 32.52 terawatt-hours in South Africa as of 2025.
- What is the difference in primary energy from nuclear between Bulgaria and South Africa?
- 13.95 terawatt-hours, with Bulgaria ahead.
- How many years of comparable data are there for Bulgaria and South Africa?
- 61 years are reported by both, from 1965 to 2025.
- How do Bulgaria and South Africa rank globally for primary energy from nuclear?
- Bulgaria ranks 24th 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.