Sri Lanka vs Tonga: Share of CO₂ emissions covered by a carbon price
Sri Lanka
0.0%
in 2025
Tonga
0.0%
in 2025
Sri Lanka rank
50th
Tonga rank
50th
Share of CO₂ emissions covered by a carbon price over time
- Sri Lanka
- Tonga
How they compare
Sri Lanka currently reports 0.0% against 0.0% in Tonga, a difference of 0.0%.
Across all 37 years both countries report, Tonga has been ahead every year.
Sri Lanka ranks 50th and Tonga ranks 50th of 200 countries.
Head to head by decade
| Decade | Sri Lanka | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 0.0% | 0.0% | 0.0% | — |
| 1990s | 0.0% | 0.0% | 0.0% | — |
| 2000s | 0.0% | 0.0% | 0.0% | — |
| 2010s | 0.0% | 0.0% | 0.0% | — |
| 2020s | 0.0% | 0.0% | 0.0% | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of co₂ emissions covered by a carbon price, Sri Lanka or Tonga?
- Sri Lanka, at 0.0% against 0.0% in Tonga as of 2025.
- What is the difference in share of co₂ emissions covered by a carbon price between Sri Lanka and Tonga?
- 0.0%, with Sri Lanka ahead.
- How many years of comparable data are there for Sri Lanka and Tonga?
- 37 years are reported by both, from 1989 to 2025.
- How do Sri Lanka and Tonga rank globally for share of co₂ emissions covered by a carbon price?
- Sri Lanka ranks 50th and Tonga ranks 50th of 200 countries.
- Where does this data come from?
- Dolphin and Merkle (2024) – with minor processing by Our World in Data, published as Share of CO₂ emissions covered by a carbon price. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Carbon dioxide emissions are included in this figure if they are covered by a carbon tax or trading system.