Portugal vs Switzerland: CO₂ emissions from international aviation
Portugal
5.18 million tonnes
in 2024
Switzerland
5.30 million tonnes
in 2024
Portugal rank
26th
Switzerland rank
25th
CO₂ emissions from international aviation over time
- Portugal
- Switzerland
How they compare
Switzerland currently reports 5.30 million tonnes against 5.18 million tonnes in Portugal, a difference of 118,250 tonnes.
The two have swapped places 2 times across 12 shared years of data; in 2013 it was Switzerland ahead.
Portugal ranks 26th and Switzerland ranks 25th of 197 countries.
Switzerland has averaged higher in every one of the 2 decades both report.
Head to head by decade
| Decade | Portugal | Switzerland | Difference | Ahead |
|---|---|---|---|---|
| 2010s | 3.58 million tonnes | 5.31 million tonnes | 1.74 million tonnes | Switzerland |
| 2020s | 3.67 million tonnes | 3.79 million tonnes | 118,594 tonnes | Switzerland |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher co₂ emissions from international aviation, Portugal or Switzerland?
- Switzerland, at 5.30 million tonnes against 5.18 million tonnes in Portugal as of 2024.
- What is the difference in co₂ emissions from international aviation between Portugal and Switzerland?
- 118,250 tonnes, with Switzerland ahead.
- How many years of comparable data are there for Portugal and Switzerland?
- 12 years are reported by both, from 2013 to 2024.
- How do Portugal and Switzerland rank globally for co₂ emissions from international aviation?
- Portugal ranks 26th and Switzerland ranks 25th of 197 countries.
- Where does this data come from?
- OECD (2025) – processed by Our World in Data, published as CO₂ emissions from international aviation. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
International aviation emissions are assigned to the country of departure. CO₂ emissions from commercial passenger flights only.