Iran vs Japan: Share of global greenhouse gas emissions
Iran
1.9%
in 2024
Japan
1.9%
in 2024
Iran rank
7th
Japan rank
8th
Share of global greenhouse gas emissions over time
- Iran
- Japan
How they compare
Iran currently reports 1.9% against 1.9% in Japan, a difference of 0.0%.
The two have swapped places 1 time across 175 shared years of data; in 1850 it was Japan ahead.
Iran ranks 7th and Japan ranks 8th of 199 countries.
Japan has averaged higher in every one of the 18 decades both report.
Head to head by decade
| Decade | Iran | Japan | Difference | Ahead |
|---|---|---|---|---|
| 1850s | 0.2% | 0.5% | 0.3% | Japan |
| 1860s | 0.2% | 0.5% | 0.3% | Japan |
| 1870s | 0.3% | 0.5% | 0.2% | Japan |
| 1880s | 0.3% | 0.6% | 0.3% | Japan |
| 1890s | 0.3% | 0.7% | 0.4% | Japan |
| 1900s | 0.2% | 0.9% | 0.7% | Japan |
| 1910s | 0.2% | 1.2% | 1.0% | Japan |
| 1920s | 0.3% | 1.4% | 1.1% | Japan |
| 1930s | 0.4% | 1.5% | 1.2% | Japan |
| 1940s | 0.5% | 1.5% | 1.0% | Japan |
| 1950s | 0.3% | 1.4% | 1.0% | Japan |
| 1960s | 0.7% | 2.2% | 1.5% | Japan |
| 1970s | 1.0% | 3.2% | 2.2% | Japan |
| 1980s | 0.7% | 2.9% | 2.2% | Japan |
| 1990s | 1.1% | 3.3% | 2.2% | Japan |
| 2000s | 1.4% | 2.9% | 1.5% | Japan |
| 2010s | 1.6% | 2.4% | 0.9% | Japan |
| 2020s | 1.8% | 2.0% | 0.2% | Japan |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of global greenhouse gas emissions, Iran or Japan?
- Iran, at 1.9% against 1.9% in Japan as of 2024.
- What is the difference in share of global greenhouse gas emissions between Iran and Japan?
- 0.0%, with Iran ahead.
- How many years of comparable data are there for Iran and Japan?
- 175 years are reported by both, from 1850 to 2024.
- How do Iran and Japan rank globally for share of global greenhouse gas emissions?
- Iran ranks 7th and Japan ranks 8th of 199 countries.
- Where does this data come from?
- Jones et al. (2025) – with major processing by Our World in Data, published as Share of global greenhouse gas emissions. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Measured as a percentage of the world's greenhouse gas emissions.