Ireland vs South Africa: Annual change in primary energy from gas
Ireland
-1.02 terawatt-hours
in 2025
South Africa
-0.9012 terawatt-hours
in 2025
Ireland rank
53rd
South Africa rank
51st
Annual change in primary energy from gas over time
- Ireland
- South Africa
How they compare
South Africa currently reports -0.9012 terawatt-hours against -1.02 terawatt-hours in Ireland, a difference of 0.1188 terawatt-hours.
The two have swapped places 21 times across 46 shared years of data; in 1980 it was Ireland ahead.
Ireland ranks 53rd and South Africa ranks 51st of 76 countries.
Across the 5 decades both report, Ireland averaged higher in 2 and South Africa in 3.
Head to head by decade
| Decade | Ireland | South Africa | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 1.73 terawatt-hours | 0.0134 terawatt-hours | 1.72 terawatt-hours | Ireland |
| 1990s | 1.49 terawatt-hours | 0.9852 terawatt-hours | 0.5 terawatt-hours | Ireland |
| 2000s | 1.46 terawatt-hours | 2.14 terawatt-hours | 0.6746 terawatt-hours | South Africa |
| 2010s | 0.3603 terawatt-hours | 0.9372 terawatt-hours | 0.5768 terawatt-hours | South Africa |
| 2020s | -0.7465 terawatt-hours | 0.6996 terawatt-hours | 1.45 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 gas, Ireland or South Africa?
- South Africa, at -0.9012 terawatt-hours against -1.02 terawatt-hours in Ireland as of 2025.
- What is the difference in annual change in primary energy from gas between Ireland and South Africa?
- 0.1188 terawatt-hours, with South Africa ahead.
- How many years of comparable data are there for Ireland and South Africa?
- 46 years are reported by both, from 1980 to 2025.
- How do Ireland and South Africa rank globally for annual change in primary energy from gas?
- Ireland ranks 53rd and South Africa ranks 51st of 76 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 gas. 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.