Nauru vs Tonga: Cumulative CO₂ emissions by world region
Nauru
5.07 million tonnes
in 2024
Tonga
4.92 million tonnes
in 2024
Nauru rank
200th
Tonga rank
201st
Cumulative CO₂ emissions by world region over time
- Nauru
- Tonga
How they compare
Nauru currently reports 5.07 million tonnes against 4.92 million tonnes in Tonga, a difference of 151,800 tonnes.
The two have swapped places 1 time across 61 shared years of data; in 1964 it was Tonga ahead.
Nauru ranks 200th and Tonga ranks 201st of 215 countries.
Across the 7 decades both report, Nauru averaged higher in 6 and Tonga in 1.
Head to head by decade
| Decade | Nauru | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 129,461 tonnes | 158,773 tonnes | 29,312 tonnes | Tonga |
| 1970s | 741,960 tonnes | 329,760 tonnes | 412,200 tonnes | Nauru |
| 1980s | 1.94 million tonnes | 733,166 tonnes | 1.20 million tonnes | Nauru |
| 1990s | 3.23 million tonnes | 1.46 million tonnes | 1.77 million tonnes | Nauru |
| 2000s | 4.07 million tonnes | 2.46 million tonnes | 1.62 million tonnes | Nauru |
| 2010s | 4.55 million tonnes | 3.60 million tonnes | 947,145 tonnes | Nauru |
| 2020s | 4.96 million tonnes | 4.63 million tonnes | 328,904 tonnes | Nauru |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher cumulative co₂ emissions by world region, Nauru or Tonga?
- Nauru, at 5.07 million tonnes against 4.92 million tonnes in Tonga as of 2024.
- What is the difference in cumulative co₂ emissions by world region between Nauru and Tonga?
- 151,800 tonnes, with Nauru ahead.
- How many years of comparable data are there for Nauru and Tonga?
- 61 years are reported by both, from 1964 to 2024.
- How do Nauru and Tonga rank globally for cumulative co₂ emissions by world region?
- Nauru ranks 200th and Tonga ranks 201st of 215 countries.
- Where does this data come from?
- Global Carbon Budget (2025) – with major processing by Our World in Data, published as Cumulative CO₂ emissions by world region. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Total cumulative emissions of carbon dioxide (CO₂), excluding land-use change, since the first year of available data, measured in tonnes.