What is the difference in co₂ emissions from domestic air travel between Japan and United States?

122.26 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.

Where does this data come from?

OECD (2025) – processed by Our World in Data, published as CO₂ emissions from domestic air travel. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Japan vs United States: CO₂ emissions from domestic air travel

Japan

9.87 million tonnes

in 2024

United States

132.13 million tonnes

in 2024

Japan rank

5th

United States rank

2nd

CO₂ emissions from domestic air travel over time

Japan
United States

How they compare

United States currently reports 132.13 million tonnes against 9.87 million tonnes in Japan, a difference of 122.26 million tonnes.

That makes United States's figure about 13.4 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	10.32 million tonnes	110.07 million tonnes	99.75 million tonnes	United States
2020s	8.57 million tonnes	113.85 million tonnes	105.27 million tonnes	United States

Averages of every year both report within each decade.

Frequently asked questions

Which has higher co₂ emissions from domestic air travel, Japan or United States?: United States, at 132.13 million tonnes against 9.87 million tonnes in Japan as of 2024.
What is the difference in co₂ emissions from domestic air travel between Japan and United States?: 122.26 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 co₂ emissions from domestic air travel?: 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 CO₂ emissions from domestic air travel. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Japan vs United States: CO₂ emissions from domestic air travel. Statizoid, drawing on OECD (2025) – processed by Our World in Data. Retrieved 24 September 2026, from https://climate.statizoid.com/compare/co2-emissions-domestic-aviation/japan/united-states/

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About this data

Indicator: CO₂ emissions from domestic air travel
Unit: tonnes
Source: OECD (2025) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 143 places, 1,474 data points, 2013–2024
Last refreshed: 18 September 2026

Domestic aviation represents flights which depart and arrive within the same country. CO₂ emissions from commercial passenger flights only.