Iceland vs Singapore: Carbon intensity of energy
Iceland
43.89 grams of CO₂ per kilowatt-hour
in 2024
Singapore
52.77 grams of CO₂ per kilowatt-hour
in 2024
Iceland rank
203rd
Singapore rank
201st
Carbon intensity of energy over time
- Iceland
- Singapore
How they compare
Singapore currently reports 52.77 grams of CO₂ per kilowatt-hour against 43.89 grams of CO₂ per kilowatt-hour in Iceland, a difference of 8.88 grams of CO₂ per kilowatt-hour.
That makes Singapore's figure about 1.2 times Iceland's.
The two have swapped places 7 times across 60 shared years of data; in 1965 it was Iceland ahead.
Iceland ranks 203rd and Singapore ranks 201st of 204 countries.
Across the 7 decades both report, Iceland averaged higher in 2 and Singapore in 5.
Head to head by decade
| Decade | Iceland | Singapore | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 215.95 grams of CO₂ per kilowatt-hour | 50.17 grams of CO₂ per kilowatt-hour | 165.78 grams of CO₂ per kilowatt-hour | Iceland |
| 1970s | 179.12 grams of CO₂ per kilowatt-hour | 258.19 grams of CO₂ per kilowatt-hour | 79.07 grams of CO₂ per kilowatt-hour | Singapore |
| 1980s | 138.52 grams of CO₂ per kilowatt-hour | 215.69 grams of CO₂ per kilowatt-hour | 77.17 grams of CO₂ per kilowatt-hour | Singapore |
| 1990s | 133.72 grams of CO₂ per kilowatt-hour | 138.67 grams of CO₂ per kilowatt-hour | 4.95 grams of CO₂ per kilowatt-hour | Singapore |
| 2000s | 77.57 grams of CO₂ per kilowatt-hour | 72.9 grams of CO₂ per kilowatt-hour | 4.66 grams of CO₂ per kilowatt-hour | Iceland |
| 2010s | 46.56 grams of CO₂ per kilowatt-hour | 52.56 grams of CO₂ per kilowatt-hour | 6 grams of CO₂ per kilowatt-hour | Singapore |
| 2020s | 41.98 grams of CO₂ per kilowatt-hour | 52.63 grams of CO₂ per kilowatt-hour | 10.65 grams of CO₂ per kilowatt-hour | Singapore |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher carbon intensity of energy, Iceland or Singapore?
- Singapore, at 52.77 grams of CO₂ per kilowatt-hour against 43.89 grams of CO₂ per kilowatt-hour in Iceland as of 2024.
- What is the difference in carbon intensity of energy between Iceland and Singapore?
- 8.88 grams of CO₂ per kilowatt-hour, with Singapore ahead.
- How many years of comparable data are there for Iceland and Singapore?
- 60 years are reported by both, from 1965 to 2024.
- How do Iceland and Singapore rank globally for carbon intensity of energy?
- Iceland ranks 203rd and Singapore ranks 201st of 204 countries.
- Where does this data come from?
- Global Carbon Budget (2025) and other sources – with major processing by Our World in Data, published as Carbon intensity of energy. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Fossil carbon dioxide (CO₂) emissions per unit of total energy supply, measured in grams of CO₂ per kilowatt-hour.