Japan vs United States: Annual CO₂ emissions from aviation
Japan
27.39 million tonnes
in 2024
United States
200.18 million tonnes
in 2024
Japan rank
5th
United States rank
2nd
Annual CO₂ emissions from aviation over time
- Japan
- United States
How they compare
United States currently reports 200.18 million tonnes against 27.39 million tonnes in Japan, a difference of 172.79 million tonnes.
That makes United States's figure about 7.3 times Japan's.
Across all 12 years both countries report, United States has been ahead every year.
Japan ranks 5th and United States ranks 2nd of 143 countries.
United States has averaged higher in every one of the 2 decades both report.
Head to head by decade
| Decade | Japan | United States | Difference | Ahead |
|---|---|---|---|---|
| 2010s | 27.97 million tonnes | 174.12 million tonnes | 146.15 million tonnes | United States |
| 2020s | 19.44 million tonnes | 164.33 million tonnes | 144.90 million tonnes | United States |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual co₂ emissions from aviation, Japan or United States?
- United States, at 200.18 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 United States?
- 172.79 million tonnes, with United States ahead.
- How many years of comparable data are there for Japan and United States?
- 12 years are reported by both, from 2013 to 2024.
- How do Japan and United States rank globally for annual co₂ emissions from aviation?
- Japan ranks 5th and United States ranks 2nd of 143 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.