Hong Kong vs Portugal: Carbon dioxide emissions by income level
Hong Kong
33.32 million tonnes
in 2024
Portugal
35.54 million tonnes
in 2024
Hong Kong rank
68th
Portugal rank
66th
Carbon dioxide emissions by income level over time
- Hong Kong
- Portugal
How they compare
Portugal currently reports 35.54 million tonnes against 33.32 million tonnes in Hong Kong, a difference of 2.21 million tonnes.
That makes Portugal's figure about 1.1 times Hong Kong's.
Across all 81 years both countries report, Portugal has been ahead every year.
Hong Kong ranks 68th and Portugal ranks 66th of 215 countries.
Portugal has averaged higher in every one of the 10 decades both report.
Head to head by decade
| Decade | Hong Kong | Portugal | Difference | Ahead |
|---|---|---|---|---|
| 1930s | 54,514 tonnes | 4.43 million tonnes | 4.38 million tonnes | Portugal |
| 1940s | 31,800 tonnes | 5.02 million tonnes | 4.99 million tonnes | Portugal |
| 1950s | 1.94 million tonnes | 6.50 million tonnes | 4.56 million tonnes | Portugal |
| 1960s | 4.84 million tonnes | 11.10 million tonnes | 6.26 million tonnes | Portugal |
| 1970s | 11.60 million tonnes | 20.42 million tonnes | 8.81 million tonnes | Portugal |
| 1980s | 23.39 million tonnes | 30.34 million tonnes | 6.95 million tonnes | Portugal |
| 1990s | 32.65 million tonnes | 52.99 million tonnes | 20.34 million tonnes | Portugal |
| 2000s | 41.31 million tonnes | 64.61 million tonnes | 23.29 million tonnes | Portugal |
| 2010s | 42.84 million tonnes | 50.73 million tonnes | 7.89 million tonnes | Portugal |
| 2020s | 32.84 million tonnes | 39.18 million tonnes | 6.35 million tonnes | Portugal |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher carbon dioxide emissions by income level, Hong Kong or Portugal?
- Portugal, at 35.54 million tonnes against 33.32 million tonnes in Hong Kong as of 2024.
- What is the difference in carbon dioxide emissions by income level between Hong Kong and Portugal?
- 2.21 million tonnes, with Portugal ahead.
- How many years of comparable data are there for Hong Kong and Portugal?
- 81 years are reported by both, from 1938 to 2024.
- How do Hong Kong and Portugal rank globally for carbon dioxide emissions by income level?
- Hong Kong ranks 68th and Portugal ranks 66th of 215 countries.
- Where does this data come from?
- Global Carbon Budget (2025) – with major processing by Our World in Data, published as Carbon dioxide emissions by income level. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Annual total emissions of carbon dioxide (CO₂), excluding land-use change, measured in tonnes.