Japan vs OECD: Annual CO₂ emissions from aviation
Japan
27.39 million tonnes
in 2024
OECD
490.75 million tonnes
in 2024
Japan rank
4th
OECD rank
1st
Annual CO₂ emissions from aviation over time
- Japan
- OECD
How they compare
OECD currently reports 490.75 million tonnes against 27.39 million tonnes in Japan, a difference of 463.36 million tonnes.
That makes OECD's figure about 17.9 times Japan's.
Across all 6 years both countries report, OECD has been ahead every year.
Japan ranks 4th and OECD ranks 1st of 142 countries.
OECD has averaged higher in every one of the 2 decades both report.
Head to head by decade
| Decade | Japan | OECD | Difference | Ahead |
|---|---|---|---|---|
| 2010s | 30.04 million tonnes | 505.45 million tonnes | 475.41 million tonnes | OECD |
| 2020s | 19.44 million tonnes | 375.30 million tonnes | 355.86 million tonnes | OECD |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual co₂ emissions from aviation, Japan or OECD?
- OECD, at 490.75 million tonnes against 27.39 million tonnes in Japan as of 2024.
- What is the difference in annual co₂ emissions from aviation between Japan and OECD?
- 463.36 million tonnes, with OECD ahead.
- How many years of comparable data are there for Japan and OECD?
- 6 years are reported by both, from 2019 to 2024.
- How do Japan and OECD rank globally for annual co₂ emissions from aviation?
- Japan ranks 4th and OECD ranks 1st of 142 countries.
- Where does this data come from?
- OECD (2025) – processed by Our World in Data, published as Annual CO₂ emissions from aviation. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Includes emissions from both domestic and international aviation. International aviation emissions are assigned to the country of departure. CO₂ emissions from commercial passenger flights only.