Saint Helena vs Tanzania: Carbon intensity of energy
Saint Helena
257.21 grams of CO₂ per kilowatt-hour
in 2024
Tanzania
252.8 grams of CO₂ per kilowatt-hour
in 2024
Saint Helena rank
41st
Tanzania rank
44th
Carbon intensity of energy over time
- Saint Helena
- Tanzania
How they compare
Saint Helena currently reports 257.21 grams of CO₂ per kilowatt-hour against 252.8 grams of CO₂ per kilowatt-hour in Tanzania, a difference of 4.41 grams of CO₂ per kilowatt-hour.
The two have swapped places 8 times across 44 shared years of data; in 1981 it was Saint Helena ahead.
Saint Helena ranks 41st and Tanzania ranks 44th of 204 countries.
Across the 5 decades both report, Saint Helena averaged higher in 4 and Tanzania in 1.
Head to head by decade
| Decade | Saint Helena | Tanzania | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 305.77 grams of CO₂ per kilowatt-hour | 209.14 grams of CO₂ per kilowatt-hour | 96.63 grams of CO₂ per kilowatt-hour | Saint Helena |
| 1990s | 747.77 grams of CO₂ per kilowatt-hour | 200.55 grams of CO₂ per kilowatt-hour | 547.22 grams of CO₂ per kilowatt-hour | Saint Helena |
| 2000s | 235.43 grams of CO₂ per kilowatt-hour | 204.44 grams of CO₂ per kilowatt-hour | 30.99 grams of CO₂ per kilowatt-hour | Saint Helena |
| 2010s | 261.9 grams of CO₂ per kilowatt-hour | 249.58 grams of CO₂ per kilowatt-hour | 12.32 grams of CO₂ per kilowatt-hour | Saint Helena |
| 2020s | 239.49 grams of CO₂ per kilowatt-hour | 263.95 grams of CO₂ per kilowatt-hour | 24.47 grams of CO₂ per kilowatt-hour | Tanzania |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher carbon intensity of energy, Saint Helena or Tanzania?
- Saint Helena, at 257.21 grams of CO₂ per kilowatt-hour against 252.8 grams of CO₂ per kilowatt-hour in Tanzania as of 2024.
- What is the difference in carbon intensity of energy between Saint Helena and Tanzania?
- 4.41 grams of CO₂ per kilowatt-hour, with Saint Helena ahead.
- How many years of comparable data are there for Saint Helena and Tanzania?
- 44 years are reported by both, from 1981 to 2024.
- How do Saint Helena and Tanzania rank globally for carbon intensity of energy?
- Saint Helena ranks 41st and Tanzania ranks 44th 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.