Cook Islands vs Tonga: Annual percentage change in CO₂ emissions
Cook Islands
4.6%
in 2024
Tonga
4.6%
in 2024
Cook Islands rank
36th
Tonga rank
33rd
Annual percentage change in CO₂ emissions over time
- Cook Islands
- Tonga
How they compare
Tonga currently reports 4.6% against 4.6% in Cook Islands, a difference of 0.0%.
The two have swapped places 32 times across 55 shared years of data; in 1970 it was Tonga ahead.
Cook Islands ranks 36th and Tonga ranks 33rd of 215 countries.
Across the 6 decades both report, Cook Islands averaged higher in 3 and Tonga in 3.
Head to head by decade
| Decade | Cook Islands | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 12.1% | 20.1% | 8.0% | Tonga |
| 1980s | 6.0% | 6.1% | 0.1% | Tonga |
| 1990s | 10.9% | 5.7% | 5.2% | Cook Islands |
| 2000s | 2.4% | 1.5% | 0.9% | Cook Islands |
| 2010s | 2.7% | 3.6% | 0.9% | Tonga |
| 2020s | 0.4% | -0.9% | 1.3% | Cook Islands |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual percentage change in co₂ emissions, Cook Islands or Tonga?
- Tonga, at 4.6% against 4.6% in Cook Islands as of 2024.
- What is the difference in annual percentage change in co₂ emissions between Cook Islands and Tonga?
- 0.0%, with Tonga ahead.
- How many years of comparable data are there for Cook Islands and Tonga?
- 55 years are reported by both, from 1970 to 2024.
- How do Cook Islands and Tonga rank globally for annual percentage change in co₂ emissions?
- Cook Islands ranks 36th and Tonga ranks 33rd of 215 countries.
- Where does this data come from?
- Global Carbon Budget (2025) – with major processing by Our World in Data, published as Annual percentage 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 percentage growth in total emissions of carbon dioxide (CO₂), excluding land-use change.