CO₂ emissions from international aviation in OECD

OECD: CO₂ emissions from international aviation was 303.73 million tonnes in 2024. ▲ Rising

Latest (2024)
303.73 million tonnes
Change on year
up 10.1%
World rank
1st
of 197 countries
All-time high
320.15 million tonnes
in 2019
All-time low
126.40 million tonnes
in 2020
Years of data
6
2019–2024

CO₂ emissions from international aviation in OECD, 2019–2024

0100.0M200.0M300.0M2019202120242019: 320.1M tonnes2020: 126.4M tonnes2021: 141.7M tonnes2022: 228.1M tonnes2023: 276.0M tonnes2024: 303.7M tonnes

Source: OECD (2025) – processed by Our World in Data. Measured in tonnes.

Analysis

In 2024, co₂ emissions from international aviation in OECD stood at 303.73 million tonnes.

The figure is up 10.1% on the previous year and down 5.1% over ten years.

That places OECD 1st out of 197 countries with data for 2024, putting it in the top 10%.

CO₂ emissions from international aviation in OECD, year by year

Annual values for CO₂ emissions from international aviation in OECD, 2019 to 2024.
Year tonnes Change
2019 320.15 million tonnes
2020 126.40 million tonnes -60.5%
2021 141.67 million tonnes +12.1%
2022 228.10 million tonnes +61.0%
2023 275.97 million tonnes +21.0%
2024 303.73 million tonnes +10.1%

Averages by decade

DecadeAverage LowestHighest Years
2010s 320.15 million tonnes 320.15 million tonnes 320.15 million tonnes 1
2020s 215.17 million tonnes 126.40 million tonnes 303.73 million tonnes 5

Countries ranked near OECD

  1. 2 United States 68.05 million tonnes compare
  2. 3 United Kingdom 31.73 million tonnes compare
  3. 4 China 27.20 million tonnes compare

See the full ranking of 197 places →

More climate change data for OECD

All data for OECD →

Frequently asked questions

What is co₂ emissions from international aviation in OECD?
Co₂ emissions from international aviation in OECD was 303.73 million tonnes in 2024, according to OECD (2025) – processed by Our World in Data.
What is the highest co₂ emissions from international aviation recorded in OECD?
The highest recorded value was 320.15 million tonnes in 2019.
What is the lowest co₂ emissions from international aviation recorded in OECD?
The lowest recorded value was 126.40 million tonnes in 2020.
How does OECD rank for co₂ emissions from international aviation?
OECD ranks 1st out of 197 countries with data for 2024.
Is co₂ emissions from international aviation rising or falling in OECD?
Over the last ten years it is down 5.1%. The long-run trend across the full record is rising.
Where does this OECD data come from?
The figures come from OECD (2025) – processed by Our World in Data, published as part of CO₂ emissions from international aviation. Statizoid updates them automatically from the source API.

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CO₂ emissions from international aviation in OECD. Statizoid, drawing on OECD (2025) – processed by Our World in Data. Retrieved 23 September 2026, from https://climate.statizoid.com/stat/co2-international-aviation/oecd/

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About this data

Indicator
CO₂ emissions from international aviation
Unit
tonnes
Source
OECD (2025) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
197 places, 2,260 data points, 2013–2024
Last refreshed

International aviation emissions are assigned to the country of departure. CO₂ emissions from commercial passenger flights only.