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