Hong Kong vs Singapore: Carbon dioxide emissions by income level, per square kilometre
Hong Kong
31,737 tonnes per square kilometre
in 2024
Singapore
74,392 tonnes per square kilometre
in 2024
Hong Kong rank
3rd
Singapore rank
1st
Carbon dioxide emissions by income level, per square kilometre over time
- Hong Kong
- Singapore
How they compare
Singapore currently reports 74,392 tonnes per square kilometre against 31,737 tonnes per square kilometre in Hong Kong, a difference of 42,655 tonnes per square kilometre.
That makes Singapore's figure about 2.3 times Hong Kong's.
The two have swapped places 3 times across 64 shared years of data; in 1961 it was Hong Kong ahead.
Hong Kong ranks 3rd and Singapore ranks 1st of 204 countries.
Across the 7 decades both report, Hong Kong averaged higher in 1 and Singapore in 6.
Head to head by decade
| Decade | Hong Kong | Singapore | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 4,955 tonnes per square kilometre | 4,852 tonnes per square kilometre | 102.8 tonnes per square kilometre | Hong Kong |
| 1970s | 11,488 tonnes per square kilometre | 36,812 tonnes per square kilometre | 25,325 tonnes per square kilometre | Singapore |
| 1980s | 23,590 tonnes per square kilometre | 48,430 tonnes per square kilometre | 24,840 tonnes per square kilometre | Singapore |
| 1990s | 31,990 tonnes per square kilometre | 72,667 tonnes per square kilometre | 40,677 tonnes per square kilometre | Singapore |
| 2000s | 39,347 tonnes per square kilometre | 58,093 tonnes per square kilometre | 18,746 tonnes per square kilometre | Singapore |
| 2010s | 40,805 tonnes per square kilometre | 67,764 tonnes per square kilometre | 26,960 tonnes per square kilometre | Singapore |
| 2020s | 31,275 tonnes per square kilometre | 69,519 tonnes per square kilometre | 38,244 tonnes per square kilometre | Singapore |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher carbon dioxide emissions by income level, per square kilometre, Hong Kong or Singapore?
- Singapore, at 74,392 tonnes per square kilometre against 31,737 tonnes per square kilometre in Hong Kong as of 2024.
- What is the difference in carbon dioxide emissions by income level, per square kilometre between Hong Kong and Singapore?
- 42,655 tonnes per square kilometre, with Singapore ahead.
- How many years of comparable data are there for Hong Kong and Singapore?
- 64 years are reported by both, from 1961 to 2024.
- How do Hong Kong and Singapore rank globally for carbon dioxide emissions by income level, per square kilometre?
- Hong Kong ranks 3rd and Singapore ranks 1st of 204 countries.
- Where does this data come from?
- Statizoid (derived), published as Carbon dioxide emissions by income level, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Carbon dioxide emissions by income level divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.