Iran vs Sri Lanka: Carbon intensity of energy
Iran
216.16 grams of CO₂ per kilowatt-hour
in 2024
Sri Lanka
217.37 grams of CO₂ per kilowatt-hour
in 2024
Iran rank
89th
Sri Lanka rank
88th
Carbon intensity of energy over time
- Iran
- Sri Lanka
How they compare
Sri Lanka currently reports 217.37 grams of CO₂ per kilowatt-hour against 216.16 grams of CO₂ per kilowatt-hour in Iran, a difference of 1.21 grams of CO₂ per kilowatt-hour.
The two have swapped places 5 times across 60 shared years of data; in 1965 it was Iran ahead.
Iran ranks 89th and Sri Lanka ranks 88th of 204 countries.
Iran has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | Iran | Sri Lanka | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 614.57 grams of CO₂ per kilowatt-hour | 306.11 grams of CO₂ per kilowatt-hour | 308.46 grams of CO₂ per kilowatt-hour | Iran |
| 1970s | 480.97 grams of CO₂ per kilowatt-hour | 175.72 grams of CO₂ per kilowatt-hour | 305.25 grams of CO₂ per kilowatt-hour | Iran |
| 1980s | 274.26 grams of CO₂ per kilowatt-hour | 175.46 grams of CO₂ per kilowatt-hour | 98.8 grams of CO₂ per kilowatt-hour | Iran |
| 1990s | 256.27 grams of CO₂ per kilowatt-hour | 183.73 grams of CO₂ per kilowatt-hour | 72.54 grams of CO₂ per kilowatt-hour | Iran |
| 2000s | 244 grams of CO₂ per kilowatt-hour | 215.83 grams of CO₂ per kilowatt-hour | 28.18 grams of CO₂ per kilowatt-hour | Iran |
| 2010s | 228.26 grams of CO₂ per kilowatt-hour | 218.07 grams of CO₂ per kilowatt-hour | 10.19 grams of CO₂ per kilowatt-hour | Iran |
| 2020s | 221.98 grams of CO₂ per kilowatt-hour | 220.79 grams of CO₂ per kilowatt-hour | 1.19 grams of CO₂ per kilowatt-hour | Iran |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher carbon intensity of energy, Iran or Sri Lanka?
- Sri Lanka, at 217.37 grams of CO₂ per kilowatt-hour against 216.16 grams of CO₂ per kilowatt-hour in Iran as of 2024.
- What is the difference in carbon intensity of energy between Iran and Sri Lanka?
- 1.21 grams of CO₂ per kilowatt-hour, with Sri Lanka ahead.
- How many years of comparable data are there for Iran and Sri Lanka?
- 60 years are reported by both, from 1965 to 2024.
- How do Iran and Sri Lanka rank globally for carbon intensity of energy?
- Iran ranks 89th and Sri Lanka ranks 88th 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.