Iran vs Japan: Greenhouse gas emissions
Iran
1.01 billion tonnes of CO₂ equivalents
in 2024
Japan
1.01 billion tonnes of CO₂ equivalents
in 2024
Iran rank
7th
Japan rank
8th
Greenhouse gas emissions over time
- Iran
- Japan
How they compare
Iran currently reports 1.01 billion tonnes of CO₂ equivalents against 1.01 billion tonnes of CO₂ equivalents in Japan, a difference of 5.06 million tonnes of CO₂ equivalents.
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 | 10.07 million tonnes of CO₂ equivalents | 22.86 million tonnes of CO₂ equivalents | 12.79 million tonnes of CO₂ equivalents | Japan |
| 1860s | 10.37 million tonnes of CO₂ equivalents | 24.40 million tonnes of CO₂ equivalents | 14.02 million tonnes of CO₂ equivalents | Japan |
| 1870s | 15.86 million tonnes of CO₂ equivalents | 28.88 million tonnes of CO₂ equivalents | 13.02 million tonnes of CO₂ equivalents | Japan |
| 1880s | 19.90 million tonnes of CO₂ equivalents | 37.39 million tonnes of CO₂ equivalents | 17.49 million tonnes of CO₂ equivalents | Japan |
| 1890s | 20.16 million tonnes of CO₂ equivalents | 54.87 million tonnes of CO₂ equivalents | 34.71 million tonnes of CO₂ equivalents | Japan |
| 1900s | 20.09 million tonnes of CO₂ equivalents | 83.92 million tonnes of CO₂ equivalents | 63.82 million tonnes of CO₂ equivalents | Japan |
| 1910s | 22.23 million tonnes of CO₂ equivalents | 122.13 million tonnes of CO₂ equivalents | 99.90 million tonnes of CO₂ equivalents | Japan |
| 1920s | 34.44 million tonnes of CO₂ equivalents | 160.16 million tonnes of CO₂ equivalents | 125.71 million tonnes of CO₂ equivalents | Japan |
| 1930s | 47.56 million tonnes of CO₂ equivalents | 196.94 million tonnes of CO₂ equivalents | 149.37 million tonnes of CO₂ equivalents | Japan |
| 1940s | 67.68 million tonnes of CO₂ equivalents | 221.86 million tonnes of CO₂ equivalents | 154.18 million tonnes of CO₂ equivalents | Japan |
| 1950s | 70.09 million tonnes of CO₂ equivalents | 276.61 million tonnes of CO₂ equivalents | 206.52 million tonnes of CO₂ equivalents | Japan |
| 1960s | 162.11 million tonnes of CO₂ equivalents | 532.97 million tonnes of CO₂ equivalents | 370.86 million tonnes of CO₂ equivalents | Japan |
| 1970s | 305.00 million tonnes of CO₂ equivalents | 990.39 million tonnes of CO₂ equivalents | 685.39 million tonnes of CO₂ equivalents | Japan |
| 1980s | 253.76 million tonnes of CO₂ equivalents | 1.02 billion tonnes of CO₂ equivalents | 763.52 million tonnes of CO₂ equivalents | Japan |
| 1990s | 426.80 million tonnes of CO₂ equivalents | 1.27 billion tonnes of CO₂ equivalents | 848.19 million tonnes of CO₂ equivalents | Japan |
| 2000s | 621.26 million tonnes of CO₂ equivalents | 1.30 billion tonnes of CO₂ equivalents | 681.06 million tonnes of CO₂ equivalents | Japan |
| 2010s | 802.55 million tonnes of CO₂ equivalents | 1.26 billion tonnes of CO₂ equivalents | 457.30 million tonnes of CO₂ equivalents | Japan |
| 2020s | 968.71 million tonnes of CO₂ equivalents | 1.06 billion tonnes of CO₂ equivalents | 91.84 million tonnes of CO₂ equivalents | Japan |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher greenhouse gas emissions, Iran or Japan?
- Iran, at 1.01 billion tonnes of CO₂ equivalents against 1.01 billion tonnes of CO₂ equivalents in Japan as of 2024.
- What is the difference in greenhouse gas emissions between Iran and Japan?
- 5.06 million tonnes of CO₂ equivalents, 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 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 Greenhouse gas emissions. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Greenhouse gas emissions are measured in tonnes of carbon dioxide-equivalents over a 100-year timescale.