Mexico vs South Africa: Primary energy from nuclear
Mexico
30.62 terawatt-hours
in 2025
South Africa
32.52 terawatt-hours
in 2025
Mexico rank
28th
South Africa rank
27th
Primary energy from nuclear over time
- Mexico
- South Africa
How they compare
South Africa currently reports 32.52 terawatt-hours against 30.62 terawatt-hours in Mexico, a difference of 1.9 terawatt-hours.
That makes South Africa's figure about 1.1 times Mexico's.
The two have swapped places 6 times across 61 shared years of data; in 1965 it was South Africa ahead.
Mexico ranks 28th and South Africa ranks 27th of 219 countries.
Across the 7 decades both report, Mexico averaged higher in 1 and South Africa in 4.
Head to head by decade
| Decade | Mexico | 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 | 0.1127 terawatt-hours | 13.88 terawatt-hours | 13.77 terawatt-hours | South Africa |
| 1990s | 20.09 terawatt-hours | 32.12 terawatt-hours | 12.02 terawatt-hours | South Africa |
| 2000s | 29.94 terawatt-hours | 36.42 terawatt-hours | 6.49 terawatt-hours | South Africa |
| 2010s | 31.81 terawatt-hours | 40.64 terawatt-hours | 8.84 terawatt-hours | South Africa |
| 2020s | 34.72 terawatt-hours | 31.8 terawatt-hours | 2.92 terawatt-hours | Mexico |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary energy from nuclear, Mexico or South Africa?
- South Africa, at 32.52 terawatt-hours against 30.62 terawatt-hours in Mexico as of 2025.
- What is the difference in primary energy from nuclear between Mexico and South Africa?
- 1.9 terawatt-hours, with South Africa ahead.
- How many years of comparable data are there for Mexico and South Africa?
- 61 years are reported by both, from 1965 to 2025.
- How do Mexico and South Africa rank globally for primary energy from nuclear?
- Mexico ranks 28th 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.