Tonga vs Vietnam: Share of CO₂ emissions covered by a carbon price
Tonga
0.0%
in 2025
Vietnam
0.0%
in 2025
Tonga rank
50th
Vietnam rank
50th
Share of CO₂ emissions covered by a carbon price over time
- Tonga
- Vietnam
How they compare
Tonga currently reports 0.0% against 0.0% in Vietnam, a difference of 0.0%.
Across all 37 years both countries report, Vietnam has been ahead every year.
Tonga ranks 50th and Vietnam ranks 50th of 200 countries.
Head to head by decade
| Decade | Tonga | Vietnam | 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, Tonga or Vietnam?
- Tonga, at 0.0% against 0.0% in Vietnam as of 2025.
- What is the difference in share of co₂ emissions covered by a carbon price between Tonga and Vietnam?
- 0.0%, with Tonga ahead.
- How many years of comparable data are there for Tonga and Vietnam?
- 37 years are reported by both, from 1989 to 2025.
- How do Tonga and Vietnam rank globally for share of co₂ emissions covered by a carbon price?
- Tonga ranks 50th and Vietnam 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.