Iran vs Japan: Share of global CO₂ emissions from gas
Iran
6.2%
in 2024
Japan
2.4%
in 2024
Iran rank
4th
Japan rank
7th
Share of global CO₂ emissions from gas over time
- Iran
- Japan
How they compare
Iran currently reports 6.2% against 2.4% in Japan, a difference of 3.8%.
That makes Iran's figure about 2.5 times Japan's.
The two have swapped places 5 times across 110 shared years of data; in 1906 it was Japan ahead.
Iran ranks 4th and Japan ranks 7th of 146 countries.
Across the 13 decades both report, Iran averaged higher in 5 and Japan in 7.
Head to head by decade
| Decade | Iran | Japan | Difference | Ahead |
|---|---|---|---|---|
| 1900s | 0.0% | 0.0% | 0.0% | — |
| 1910s | 0.0% | 0.1% | 0.1% | Japan |
| 1920s | 0.0% | 0.1% | 0.1% | Japan |
| 1930s | 0.0% | 0.1% | 0.1% | Japan |
| 1940s | 0.0% | 0.0% | 0.0% | Japan |
| 1950s | 0.2% | 0.1% | 0.1% | Iran |
| 1960s | 0.2% | 0.3% | 0.0% | Japan |
| 1970s | 0.9% | 0.8% | 0.1% | Iran |
| 1980s | 0.8% | 2.2% | 1.5% | Japan |
| 1990s | 1.8% | 3.4% | 1.6% | Japan |
| 2000s | 3.5% | 3.5% | 0.0% | Iran |
| 2010s | 5.0% | 3.6% | 1.5% | Iran |
| 2020s | 6.2% | 2.6% | 3.5% | Iran |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of global co₂ emissions from gas, Iran or Japan?
- Iran, at 6.2% against 2.4% in Japan as of 2024.
- What is the difference in share of global co₂ emissions from gas between Iran and Japan?
- 3.8%, with Iran ahead.
- How many years of comparable data are there for Iran and Japan?
- 110 years are reported by both, from 1906 to 2024.
- How do Iran and Japan rank globally for share of global co₂ emissions from gas?
- Iran ranks 4th and Japan ranks 7th of 146 countries.
- Where does this data come from?
- Global Carbon Budget (2025) – with major processing by Our World in Data, published as Share of global CO₂ emissions from gas. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Annual emissions of carbon dioxide (CO₂) from gas, measured as a percentage of global emissions of CO₂ from gas in the same year.