Hong Kong vs Thailand: CO₂ emissions from international aviation
Hong Kong
9.73 million tonnes
in 2024
Thailand
10.32 million tonnes
in 2024
Hong Kong rank
19th
Thailand rank
18th
CO₂ emissions from international aviation over time
- Hong Kong
- Thailand
How they compare
Thailand currently reports 10.32 million tonnes against 9.73 million tonnes in Hong Kong, a difference of 596,350 tonnes.
That makes Thailand's figure about 1.1 times Hong Kong's.
The two have swapped places 1 time across 12 shared years of data; in 2013 it was Hong Kong ahead.
Hong Kong ranks 19th and Thailand ranks 18th of 197 countries.
Across the 2 decades both report, Hong Kong averaged higher in 1 and Thailand in 1.
Head to head by decade
| Decade | Hong Kong | Thailand | Difference | Ahead |
|---|---|---|---|---|
| 2010s | 12.91 million tonnes | 11.45 million tonnes | 1.45 million tonnes | Hong Kong |
| 2020s | 5.54 million tonnes | 5.97 million tonnes | 430,500 tonnes | Thailand |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher co₂ emissions from international aviation, Hong Kong or Thailand?
- Thailand, at 10.32 million tonnes against 9.73 million tonnes in Hong Kong as of 2024.
- What is the difference in co₂ emissions from international aviation between Hong Kong and Thailand?
- 596,350 tonnes, with Thailand ahead.
- How many years of comparable data are there for Hong Kong and Thailand?
- 12 years are reported by both, from 2013 to 2024.
- How do Hong Kong and Thailand rank globally for co₂ emissions from international aviation?
- Hong Kong ranks 19th and Thailand ranks 18th 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.