Iran, Islamic Republic of vs South Africa: Annual change in primary energy from solar
Iran, Islamic Republic of
1.23 terawatt-hours
in 2025
South Africa
1.18 terawatt-hours
in 2025
Iran, Islamic Republic of rank
30th
South Africa rank
31st
Annual change in primary energy from solar over time
- Iran, Islamic Republic of
- South Africa
How they compare
Iran, Islamic Republic of currently reports 1.23 terawatt-hours against 1.18 terawatt-hours in South Africa, a difference of 0.05 terawatt-hours.
The two have swapped places 3 times across 60 shared years of data; in 1966 it was South Africa ahead.
Iran, Islamic Republic of ranks 30th and South Africa ranks 31st of 80 countries.
South Africa has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | Iran, Islamic Republic of | 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 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 1990s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 2000s | 0 terawatt-hours | 0.0023 terawatt-hours | 0.0023 terawatt-hours | South Africa |
| 2010s | 0.051 terawatt-hours | 0.4859 terawatt-hours | 0.4349 terawatt-hours | South Africa |
| 2020s | 0.282 terawatt-hours | 2.28 terawatt-hours | 2 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 solar, Iran, Islamic Republic of or South Africa?
- Iran, Islamic Republic of, at 1.23 terawatt-hours against 1.18 terawatt-hours in South Africa as of 2025.
- What is the difference in annual change in primary energy from solar between Iran, Islamic Republic of and South Africa?
- 0.05 terawatt-hours, with Iran, Islamic Republic of ahead.
- How many years of comparable data are there for Iran, Islamic Republic of and South Africa?
- 60 years are reported by both, from 1966 to 2025.
- How do Iran, Islamic Republic of and South Africa rank globally for annual change in primary energy from solar?
- Iran, Islamic Republic of ranks 30th and South Africa ranks 31st of 80 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 Annual change in primary energy from solar. 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.