South Africa vs United States: Annual change in primary energy from nuclear
South Africa
7.68 terawatt-hours
in 2025
United States
9.3 terawatt-hours
in 2025
South Africa rank
7th
United States rank
5th
Annual change in primary energy from nuclear over time
- South Africa
- United States
How they compare
United States currently reports 9.3 terawatt-hours against 7.68 terawatt-hours in South Africa, a difference of 1.62 terawatt-hours.
That makes United States's figure about 1.2 times South Africa's.
The two have swapped places 16 times across 60 shared years of data; in 1966 it was United States ahead.
South Africa ranks 7th and United States ranks 5th of 219 countries.
Across the 7 decades both report, South Africa averaged higher in 1 and United States in 6.
Head to head by decade
| Decade | South Africa | United States | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0 terawatt-hours | 8.19 terawatt-hours | 8.19 terawatt-hours | United States |
| 1970s | 0 terawatt-hours | 76.95 terawatt-hours | 76.95 terawatt-hours | United States |
| 1980s | 3.36 terawatt-hours | 87.46 terawatt-hours | 84.1 terawatt-hours | United States |
| 1990s | 0.5267 terawatt-hours | 63.44 terawatt-hours | 62.92 terawatt-hours | United States |
| 2000s | -0.0094 terawatt-hours | 22.52 terawatt-hours | 22.53 terawatt-hours | United States |
| 2010s | 0.4481 terawatt-hours | 3.37 terawatt-hours | 2.92 terawatt-hours | United States |
| 2020s | -1.79 terawatt-hours | -13.09 terawatt-hours | 11.3 terawatt-hours | South Africa |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual change in primary energy from nuclear, South Africa or United States?
- United States, at 9.3 terawatt-hours against 7.68 terawatt-hours in South Africa as of 2025.
- What is the difference in annual change in primary energy from nuclear between South Africa and United States?
- 1.62 terawatt-hours, with United States ahead.
- How many years of comparable data are there for South Africa and United States?
- 60 years are reported by both, from 1966 to 2025.
- How do South Africa and United States rank globally for annual change in primary energy from nuclear?
- South Africa ranks 7th and United States ranks 5th of 219 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026) β with major processing by Our World in Data, published as Annual change in primary energy from nuclear. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.