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