South Africa vs Viet Nam: Share of primary energy use by source
South Africa
3.3%
in 2025
Viet Nam
4.4%
in 2025
South Africa rank
75th
Viet Nam rank
72nd
Share of primary energy use by source over time
- South Africa
- Viet Nam
How they compare
Viet Nam currently reports 4.4% against 3.3% in South Africa, a difference of 1.1%.
That makes Viet Nam's figure about 1.3 times South Africa's.
The two have swapped places 3 times across 45 shared years of data; in 1981 it was South Africa ahead.
South Africa ranks 75th and Viet Nam ranks 72nd of 77 countries.
Viet Nam has averaged higher in every one of the 5 decades both report.
Head to head by decade
| Decade | South Africa | Viet Nam | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 0.2% | 0.6% | 0.3% | Viet Nam |
| 1990s | 1.3% | 3.0% | 1.8% | Viet Nam |
| 2000s | 1.9% | 14.7% | 12.8% | Viet Nam |
| 2010s | 2.9% | 14.6% | 11.6% | Viet Nam |
| 2020s | 3.3% | 6.4% | 3.1% | Viet Nam |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of primary energy use by source, South Africa or Viet Nam?
- Viet Nam, at 4.4% against 3.3% in South Africa as of 2025.
- What is the difference in share of primary energy use by source between South Africa and Viet Nam?
- 1.1%, with Viet Nam ahead.
- How many years of comparable data are there for South Africa and Viet Nam?
- 45 years are reported by both, from 1981 to 2025.
- How do South Africa and Viet Nam rank globally for share of primary energy use by source?
- South Africa ranks 75th and Viet Nam ranks 72nd of 77 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) β with major processing by Our World in Data, published as Share of primary energy use by source. 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.