Ireland vs Singapore: Global primary energy use by source
Ireland
3.24 terawatt-hours
in 2025
Singapore
2.54 terawatt-hours
in 2025
Ireland rank
43rd
Singapore rank
45th
Global primary energy use by source over time
- Ireland
- Singapore
How they compare
Ireland currently reports 3.24 terawatt-hours against 2.54 terawatt-hours in Singapore, a difference of 0.7 terawatt-hours.
That makes Ireland's figure about 1.3 times Singapore's.
The two have swapped places 3 times across 61 shared years of data; in 1965 it was Singapore ahead.
Ireland ranks 43rd and Singapore ranks 45th of 79 countries.
Across the 7 decades both report, Ireland averaged higher in 1 and Singapore in 4.
Head to head by decade
| Decade | Ireland | Singapore | 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 | 0.103 terawatt-hours | 0.103 terawatt-hours | Singapore |
| 1990s | 0.0861 terawatt-hours | 0.6939 terawatt-hours | 0.6079 terawatt-hours | Singapore |
| 2000s | 0.4185 terawatt-hours | 1.41 terawatt-hours | 0.993 terawatt-hours | Singapore |
| 2010s | 1.73 terawatt-hours | 2.18 terawatt-hours | 0.4456 terawatt-hours | Singapore |
| 2020s | 2.95 terawatt-hours | 2.48 terawatt-hours | 0.4702 terawatt-hours | Ireland |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher global primary energy use by source, Ireland or Singapore?
- Ireland, at 3.24 terawatt-hours against 2.54 terawatt-hours in Singapore as of 2025.
- What is the difference in global primary energy use by source between Ireland and Singapore?
- 0.7 terawatt-hours, with Ireland ahead.
- How many years of comparable data are there for Ireland and Singapore?
- 61 years are reported by both, from 1965 to 2025.
- How do Ireland and Singapore rank globally for global primary energy use by source?
- Ireland ranks 43rd and Singapore ranks 45th of 79 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 Global 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 in terawatt-hours of total energy supply.