Hong Kong vs Singapore: Imported or exported CO₂ emissions per capita
Hong Kong
14.94 tonnes per person
in 2023
Singapore
23.47 tonnes per person
in 2023
Hong Kong rank
3rd
Singapore rank
2nd
Imported or exported CO₂ emissions per capita over time
- Hong Kong
- Singapore
How they compare
Singapore currently reports 23.47 tonnes per person against 14.94 tonnes per person in Hong Kong, a difference of 8.53 tonnes per person.
That makes Singapore's figure about 1.6 times Hong Kong's.
The two have swapped places 5 times across 34 shared years of data; in 1990 it was Hong Kong ahead.
Hong Kong ranks 3rd and Singapore ranks 2nd of 120 countries.
Across the 4 decades both report, Hong Kong averaged higher in 1 and Singapore in 3.
Head to head by decade
| Decade | Hong Kong | Singapore | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 7.36 tonnes per person | 7.32 tonnes per person | 0.0396 tonnes per person | Hong Kong |
| 2000s | 7.29 tonnes per person | 21.65 tonnes per person | 14.36 tonnes per person | Singapore |
| 2010s | 11.06 tonnes per person | 24.05 tonnes per person | 12.98 tonnes per person | Singapore |
| 2020s | 13.76 tonnes per person | 22.92 tonnes per person | 9.16 tonnes per person | Singapore |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher imported or exported co₂ emissions per capita, Hong Kong or Singapore?
- Singapore, at 23.47 tonnes per person against 14.94 tonnes per person in Hong Kong as of 2023.
- What is the difference in imported or exported co₂ emissions per capita between Hong Kong and Singapore?
- 8.53 tonnes per person, with Singapore ahead.
- How many years of comparable data are there for Hong Kong and Singapore?
- 34 years are reported by both, from 1990 to 2023.
- How do Hong Kong and Singapore rank globally for imported or exported co₂ emissions per capita?
- Hong Kong ranks 3rd and Singapore ranks 2nd of 120 countries.
- Where does this data come from?
- Global Carbon Budget (2025); Population based on various sources (2024) – with major processing by Our World in Data, published as Imported or exported CO₂ emissions per capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Annual net carbon dioxide (CO₂) emissions embedded in trade, measured in tonnes per person.