Iran vs Japan: CO₂ emissions from fossil fuels and land-use change
Iran
792.63 million tonnes
in 2024
Japan
961.87 million tonnes
in 2024
Iran rank
7th
Japan rank
5th
CO₂ emissions from fossil fuels and land-use change over time
- Iran
- Japan
How they compare
Japan currently reports 961.87 million tonnes against 792.63 million tonnes in Iran, a difference of 169.24 million tonnes.
That makes Japan's figure about 1.2 times Iran's.
The two have swapped places 2 times across 115 shared years of data; in 1906 it was Japan ahead.
Iran ranks 7th and Japan ranks 5th of 215 countries.
Japan has averaged higher in every one of the 13 decades both report.
Head to head by decade
| Decade | Iran | Japan | Difference | Ahead |
|---|---|---|---|---|
| 1900s | 3,664 tonnes | 32.86 million tonnes | 32.85 million tonnes | Japan |
| 1910s | 1.82 million tonnes | 59.50 million tonnes | 57.68 million tonnes | Japan |
| 1920s | 12.77 million tonnes | 80.91 million tonnes | 68.15 million tonnes | Japan |
| 1930s | 24.45 million tonnes | 104.27 million tonnes | 79.82 million tonnes | Japan |
| 1940s | 41.23 million tonnes | 113.09 million tonnes | 71.86 million tonnes | Japan |
| 1950s | 13.67 million tonnes | 151.02 million tonnes | 137.35 million tonnes | Japan |
| 1960s | 55.12 million tonnes | 400.69 million tonnes | 345.58 million tonnes | Japan |
| 1970s | 135.76 million tonnes | 883.62 million tonnes | 747.86 million tonnes | Japan |
| 1980s | 150.77 million tonnes | 934.21 million tonnes | 783.44 million tonnes | Japan |
| 1990s | 266.10 million tonnes | 1.21 billion tonnes | 939.34 million tonnes | Japan |
| 2000s | 455.48 million tonnes | 1.26 billion tonnes | 802.75 million tonnes | Japan |
| 2010s | 636.62 million tonnes | 1.22 billion tonnes | 582.52 million tonnes | Japan |
| 2020s | 774.92 million tonnes | 1.01 billion tonnes | 239.92 million tonnes | Japan |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher co₂ emissions from fossil fuels and land-use change, Iran or Japan?
- Japan, at 961.87 million tonnes against 792.63 million tonnes in Iran as of 2024.
- What is the difference in co₂ emissions from fossil fuels and land-use change between Iran and Japan?
- 169.24 million tonnes, with Japan ahead.
- How many years of comparable data are there for Iran and Japan?
- 115 years are reported by both, from 1906 to 2024.
- How do Iran and Japan rank globally for co₂ emissions from fossil fuels and land-use change?
- Iran ranks 7th and Japan ranks 5th of 215 countries.
- Where does this data come from?
- Global Carbon Budget (2025) – with major processing by Our World in Data, published as CO₂ emissions from fossil fuels and 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), excluding land-use change, measured in tonnes.