South Africa vs United Kingdom of Great Britain and Northern Ireland: Share of primary energy from nuclear
South Africa
2.3%
in 2025
United Kingdom of Great Britain and Northern Ireland
6.2%
in 2025
South Africa rank
26th
United Kingdom of Great Britain and Northern Ireland rank
22nd
Share of primary energy from nuclear over time
- South Africa
- United Kingdom of Great Britain and Northern Ireland
How they compare
United Kingdom of Great Britain and Northern Ireland currently reports 6.2% against 2.3% in South Africa, a difference of 3.9%.
That makes United Kingdom of Great Britain and Northern Ireland's figure about 2.7 times South Africa's.
Across all 61 years both countries report, United Kingdom of Great Britain and Northern Ireland has been ahead every year.
South Africa ranks 26th and United Kingdom of Great Britain and Northern Ireland ranks 22nd of 216 countries.
United Kingdom of Great Britain and Northern Ireland has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | South Africa | United Kingdom of Great Britain and Northern Ireland | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0.0% | 2.9% | 2.9% | United Kingdom of Great Britain and Northern Ireland |
| 1970s | 0.0% | 3.9% | 3.9% | United Kingdom of Great Britain and Northern Ireland |
| 1980s | 1.4% | 6.8% | 5.3% | United Kingdom of Great Britain and Northern Ireland |
| 1990s | 2.9% | 10.1% | 7.2% | United Kingdom of Great Britain and Northern Ireland |
| 2000s | 2.8% | 8.9% | 6.1% | United Kingdom of Great Britain and Northern Ireland |
| 2010s | 2.9% | 9.0% | 6.2% | United Kingdom of Great Britain and Northern Ireland |
| 2020s | 2.4% | 7.2% | 4.9% | United Kingdom of Great Britain and Northern Ireland |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of primary energy from nuclear, South Africa or United Kingdom of Great Britain and Northern Ireland?
- United Kingdom of Great Britain and Northern Ireland, at 6.2% against 2.3% in South Africa as of 2025.
- What is the difference in share of primary energy from nuclear between South Africa and United Kingdom of Great Britain and Northern Ireland?
- 3.9%, with United Kingdom of Great Britain and Northern Ireland ahead.
- How many years of comparable data are there for South Africa and United Kingdom of Great Britain and Northern Ireland?
- 61 years are reported by both, from 1965 to 2025.
- How do South Africa and United Kingdom of Great Britain and Northern Ireland rank globally for share of primary energy from nuclear?
- South Africa ranks 26th and United Kingdom of Great Britain and Northern Ireland ranks 22nd of 216 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.