Iran, Islamic Rep. vs Japan: Share of global CO₂ emissions including land-use change
Iran, Islamic Rep.
1.9%
in 2024
Japan
2.2%
in 2024
Iran, Islamic Rep. rank
8th
Japan rank
7th
Share of global CO₂ emissions including land-use change over time
- Iran, Islamic Rep.
- Japan
How they compare
Japan currently reports 2.2% against 1.9% in Iran, Islamic Rep., a difference of 0.3%.
That makes Japan's figure about 1.2 times Iran, Islamic Rep.'s.
Across all 115 years both countries report, Japan has been ahead every year.
Iran, Islamic Rep. ranks 8th and Japan ranks 7th of 194 countries.
Japan has averaged higher in every one of the 13 decades both report.
Head to head by decade
| Decade | Iran, Islamic Rep. | Japan | Difference | Ahead |
|---|---|---|---|---|
| 1900s | 0.2% | 1.0% | 0.8% | Japan |
| 1910s | 0.2% | 1.4% | 1.2% | Japan |
| 1920s | 0.3% | 1.6% | 1.3% | Japan |
| 1930s | 0.4% | 1.8% | 1.4% | Japan |
| 1940s | 0.5% | 1.7% | 1.3% | Japan |
| 1950s | 0.3% | 1.5% | 1.1% | Japan |
| 1960s | 0.5% | 2.5% | 2.1% | Japan |
| 1970s | 0.7% | 3.9% | 3.2% | Japan |
| 1980s | 0.6% | 3.6% | 3.0% | Japan |
| 1990s | 0.9% | 4.0% | 3.1% | Japan |
| 2000s | 1.3% | 3.6% | 2.3% | Japan |
| 2010s | 1.5% | 2.9% | 1.4% | Japan |
| 2020s | 1.9% | 2.4% | 0.6% | Japan |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of global co₂ emissions including land-use change, Iran, Islamic Rep. or Japan?
- Japan, at 2.2% against 1.9% in Iran, Islamic Rep. as of 2024.
- What is the difference in share of global co₂ emissions including land-use change between Iran, Islamic Rep. and Japan?
- 0.3%, with Japan ahead.
- How many years of comparable data are there for Iran, Islamic Rep. and Japan?
- 115 years are reported by both, from 1906 to 2024.
- How do Iran, Islamic Rep. and Japan rank globally for share of global co₂ emissions including land-use change?
- Iran, Islamic Rep. ranks 8th and Japan ranks 7th of 194 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 including land-use change. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Annual total emissions of carbon dioxide (CO₂), including land-use change, measured as a percentage of global total emissions of CO₂ in the same year.