Portugal vs Vietnam: Annual CO₂ emissions from aviation
Portugal
5.72 million tonnes
in 2024
Vietnam
7.16 million tonnes
in 2023
Portugal rank
28th
Vietnam rank
26th
Annual CO₂ emissions from aviation over time
- Portugal
- Vietnam
How they compare
Vietnam currently reports 7.16 million tonnes against 5.72 million tonnes in Portugal, a difference of 1.44 million tonnes.
That makes Vietnam's figure about 1.3 times Portugal's.
Across all 11 years both countries report, Vietnam has been ahead every year.
Portugal ranks 28th and Vietnam ranks 26th of 143 countries.
Vietnam has averaged higher in every one of the 2 decades both report.
Head to head by decade
| Decade | Portugal | Vietnam | Difference | Ahead |
|---|---|---|---|---|
| 2010s | 3.96 million tonnes | 5.18 million tonnes | 1.22 million tonnes | Vietnam |
| 2020s | 3.71 million tonnes | 4.93 million tonnes | 1.22 million tonnes | Vietnam |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual co₂ emissions from aviation, Portugal or Vietnam?
- Vietnam, at 7.16 million tonnes against 5.72 million tonnes in Portugal as of 2023.
- What is the difference in annual co₂ emissions from aviation between Portugal and Vietnam?
- 1.44 million tonnes, with Vietnam ahead.
- How many years of comparable data are there for Portugal and Vietnam?
- 11 years are reported by both, from 2013 to 2023.
- How do Portugal and Vietnam rank globally for annual co₂ emissions from aviation?
- Portugal ranks 28th and Vietnam ranks 26th 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.