Cook Islands vs Nauru: Year-on-year change in CO₂ emissions
Cook Islands
3,502 tonnes
in 2024
Nauru
2,685 tonnes
in 2024
Cook Islands rank
154th
Nauru rank
156th
Year-on-year change in CO₂ emissions over time
- Cook Islands
- Nauru
How they compare
Cook Islands currently reports 3,502 tonnes against 2,685 tonnes in Nauru, a difference of 817 tonnes.
That makes Cook Islands's figure about 1.3 times Nauru's.
The two have swapped places 25 times across 55 shared years of data; in 1970 it was Nauru ahead.
Cook Islands ranks 154th and Nauru ranks 156th of 215 countries.
Across the 6 decades both report, Cook Islands averaged higher in 3 and Nauru in 3.
Head to head by decade
| Decade | Cook Islands | Nauru | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 1,466 tonnes | 4,763 tonnes | 3,298 tonnes | Nauru |
| 1980s | -366.4 tonnes | 4,397 tonnes | 4,763 tonnes | Nauru |
| 1990s | 2,931 tonnes | -6,595 tonnes | 9,526 tonnes | Cook Islands |
| 2000s | 1,099 tonnes | -5,130 tonnes | 6,229 tonnes | Cook Islands |
| 2010s | 1,832 tonnes | 1,099 tonnes | 732.8 tonnes | Cook Islands |
| 2020s | -105 tonnes | 2,019 tonnes | 2,124 tonnes | Nauru |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher year-on-year change in co₂ emissions, Cook Islands or Nauru?
- Cook Islands, at 3,502 tonnes against 2,685 tonnes in Nauru as of 2024.
- What is the difference in year-on-year change in co₂ emissions between Cook Islands and Nauru?
- 817 tonnes, with Cook Islands ahead.
- How many years of comparable data are there for Cook Islands and Nauru?
- 55 years are reported by both, from 1970 to 2024.
- How do Cook Islands and Nauru rank globally for year-on-year change in co₂ emissions?
- Cook Islands ranks 154th and Nauru ranks 156th of 215 countries.
- Where does this data come from?
- Global Carbon Budget (2025) – with major processing by Our World in Data, published as Year-on-year change in CO₂ emissions. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Annual growth in total emissions of carbon dioxide (CO₂), excluding land-use change, measured in tonnes.