Hong Kong vs Portugal: Per capita greenhouse gas emissions
Hong Kong
5.25 tonnes of CO₂ equivalents per person
in 2024
Portugal
5.2 tonnes of CO₂ equivalents per person
in 2024
Hong Kong rank
97th
Portugal rank
99th
Per capita greenhouse gas emissions over time
- Hong Kong
- Portugal
How they compare
Hong Kong currently reports 5.25 tonnes of CO₂ equivalents per person against 5.2 tonnes of CO₂ equivalents per person in Portugal, a difference of 0.05 tonnes of CO₂ equivalents per person.
The two have swapped places 9 times across 175 shared years of data; in 1850 it was Portugal ahead.
Hong Kong ranks 97th and Portugal ranks 99th of 199 countries.
Across the 18 decades both report, Hong Kong averaged higher in 2 and Portugal in 16.
Head to head by decade
| Decade | Hong Kong | Portugal | Difference | Ahead |
|---|---|---|---|---|
| 1850s | 0.824 tonnes of CO₂ equivalents per person | 1.26 tonnes of CO₂ equivalents per person | 0.4379 tonnes of CO₂ equivalents per person | Portugal |
| 1860s | 0.586 tonnes of CO₂ equivalents per person | 1.41 tonnes of CO₂ equivalents per person | 0.829 tonnes of CO₂ equivalents per person | Portugal |
| 1870s | 0.4669 tonnes of CO₂ equivalents per person | 1.64 tonnes of CO₂ equivalents per person | 1.17 tonnes of CO₂ equivalents per person | Portugal |
| 1880s | 0.43 tonnes of CO₂ equivalents per person | 1.85 tonnes of CO₂ equivalents per person | 1.42 tonnes of CO₂ equivalents per person | Portugal |
| 1890s | 0.3755 tonnes of CO₂ equivalents per person | 1.87 tonnes of CO₂ equivalents per person | 1.5 tonnes of CO₂ equivalents per person | Portugal |
| 1900s | 0.3407 tonnes of CO₂ equivalents per person | 2.08 tonnes of CO₂ equivalents per person | 1.74 tonnes of CO₂ equivalents per person | Portugal |
| 1910s | 0.3077 tonnes of CO₂ equivalents per person | 1.75 tonnes of CO₂ equivalents per person | 1.44 tonnes of CO₂ equivalents per person | Portugal |
| 1920s | 0.2784 tonnes of CO₂ equivalents per person | 1.91 tonnes of CO₂ equivalents per person | 1.63 tonnes of CO₂ equivalents per person | Portugal |
| 1930s | 0.2755 tonnes of CO₂ equivalents per person | 2.25 tonnes of CO₂ equivalents per person | 1.98 tonnes of CO₂ equivalents per person | Portugal |
| 1940s | 0.2835 tonnes of CO₂ equivalents per person | 2.14 tonnes of CO₂ equivalents per person | 1.85 tonnes of CO₂ equivalents per person | Portugal |
| 1950s | 1.13 tonnes of CO₂ equivalents per person | 2.37 tonnes of CO₂ equivalents per person | 1.24 tonnes of CO₂ equivalents per person | Portugal |
| 1960s | 1.98 tonnes of CO₂ equivalents per person | 2.94 tonnes of CO₂ equivalents per person | 0.9614 tonnes of CO₂ equivalents per person | Portugal |
| 1970s | 3.2 tonnes of CO₂ equivalents per person | 4.08 tonnes of CO₂ equivalents per person | 0.8827 tonnes of CO₂ equivalents per person | Portugal |
| 1980s | 5.02 tonnes of CO₂ equivalents per person | 4.85 tonnes of CO₂ equivalents per person | 0.1644 tonnes of CO₂ equivalents per person | Hong Kong |
| 1990s | 6.09 tonnes of CO₂ equivalents per person | 6.89 tonnes of CO₂ equivalents per person | 0.8024 tonnes of CO₂ equivalents per person | Portugal |
| 2000s | 6.69 tonnes of CO₂ equivalents per person | 7.37 tonnes of CO₂ equivalents per person | 0.675 tonnes of CO₂ equivalents per person | Portugal |
| 2010s | 6.57 tonnes of CO₂ equivalents per person | 6.15 tonnes of CO₂ equivalents per person | 0.422 tonnes of CO₂ equivalents per person | Hong Kong |
| 2020s | 5.15 tonnes of CO₂ equivalents per person | 5.42 tonnes of CO₂ equivalents per person | 0.2757 tonnes of CO₂ equivalents per person | Portugal |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher per capita greenhouse gas emissions, Hong Kong or Portugal?
- Hong Kong, at 5.25 tonnes of CO₂ equivalents per person against 5.2 tonnes of CO₂ equivalents per person in Portugal as of 2024.
- What is the difference in per capita greenhouse gas emissions between Hong Kong and Portugal?
- 0.05 tonnes of CO₂ equivalents per person, with Hong Kong ahead.
- How many years of comparable data are there for Hong Kong and Portugal?
- 175 years are reported by both, from 1850 to 2024.
- How do Hong Kong and Portugal rank globally for per capita greenhouse gas emissions?
- Hong Kong ranks 97th and Portugal ranks 99th of 199 countries.
- Where does this data come from?
- Jones et al. (2025); Population based on various sources (2024) – with major processing by Our World in Data, published as Per capita greenhouse gas emissions. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Greenhouse gas emissions are measured in tonnes per person of carbon dioxide-equivalents over a 100-year timescale.