Cook Islands vs Nauru: Carbon intensity of energy
Cook Islands
158.88 grams of CO₂ per kilowatt-hour
in 2024
Nauru
160.12 grams of CO₂ per kilowatt-hour
in 2024
Cook Islands rank
173rd
Nauru rank
170th
Carbon intensity of energy over time
- Cook Islands
- Nauru
How they compare
Nauru currently reports 160.12 grams of CO₂ per kilowatt-hour against 158.88 grams of CO₂ per kilowatt-hour in Cook Islands, a difference of 1.24 grams of CO₂ per kilowatt-hour.
The two have swapped places 9 times across 45 shared years of data; in 1980 it was Cook Islands ahead.
Cook Islands ranks 173rd and Nauru ranks 170th of 204 countries.
Across the 5 decades both report, Cook Islands averaged higher in 4 and Nauru in 1.
Head to head by decade
| Decade | Cook Islands | Nauru | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 158.52 grams of CO₂ per kilowatt-hour | 241.36 grams of CO₂ per kilowatt-hour | 82.84 grams of CO₂ per kilowatt-hour | Nauru |
| 1990s | 259.15 grams of CO₂ per kilowatt-hour | 186.38 grams of CO₂ per kilowatt-hour | 72.77 grams of CO₂ per kilowatt-hour | Cook Islands |
| 2000s | 226.19 grams of CO₂ per kilowatt-hour | 187.5 grams of CO₂ per kilowatt-hour | 38.69 grams of CO₂ per kilowatt-hour | Cook Islands |
| 2010s | 180.8 grams of CO₂ per kilowatt-hour | 167.98 grams of CO₂ per kilowatt-hour | 12.83 grams of CO₂ per kilowatt-hour | Cook Islands |
| 2020s | 183.62 grams of CO₂ per kilowatt-hour | 171.58 grams of CO₂ per kilowatt-hour | 12.05 grams of CO₂ per kilowatt-hour | Cook Islands |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher carbon intensity of energy, Cook Islands or Nauru?
- Nauru, at 160.12 grams of CO₂ per kilowatt-hour against 158.88 grams of CO₂ per kilowatt-hour in Cook Islands as of 2024.
- What is the difference in carbon intensity of energy between Cook Islands and Nauru?
- 1.24 grams of CO₂ per kilowatt-hour, with Nauru ahead.
- How many years of comparable data are there for Cook Islands and Nauru?
- 45 years are reported by both, from 1980 to 2024.
- How do Cook Islands and Nauru rank globally for carbon intensity of energy?
- Cook Islands ranks 173rd and Nauru ranks 170th 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.