Cambodia vs Hong Kong: Per capita greenhouse gas emissions
Cambodia
5.21 tonnes of CO₂ equivalents per person
in 2024
Hong Kong
5.25 tonnes of CO₂ equivalents per person
in 2024
Cambodia rank
98th
Hong Kong rank
97th
Per capita greenhouse gas emissions over time
- Cambodia
- Hong Kong
How they compare
Hong Kong currently reports 5.25 tonnes of CO₂ equivalents per person against 5.21 tonnes of CO₂ equivalents per person in Cambodia, a difference of 0.04 tonnes of CO₂ equivalents per person.
The two have swapped places 13 times across 175 shared years of data; in 1850 it was Cambodia ahead.
Cambodia ranks 98th and Hong Kong ranks 97th of 199 countries.
Across the 18 decades both report, Cambodia averaged higher in 15 and Hong Kong in 3.
Head to head by decade
| Decade | Cambodia | Hong Kong | Difference | Ahead |
|---|---|---|---|---|
| 1850s | 2.77 tonnes of CO₂ equivalents per person | 0.824 tonnes of CO₂ equivalents per person | 1.94 tonnes of CO₂ equivalents per person | Cambodia |
| 1860s | 2.82 tonnes of CO₂ equivalents per person | 0.586 tonnes of CO₂ equivalents per person | 2.24 tonnes of CO₂ equivalents per person | Cambodia |
| 1870s | 3.42 tonnes of CO₂ equivalents per person | 0.4669 tonnes of CO₂ equivalents per person | 2.96 tonnes of CO₂ equivalents per person | Cambodia |
| 1880s | 4.16 tonnes of CO₂ equivalents per person | 0.43 tonnes of CO₂ equivalents per person | 3.73 tonnes of CO₂ equivalents per person | Cambodia |
| 1890s | 4.47 tonnes of CO₂ equivalents per person | 0.3755 tonnes of CO₂ equivalents per person | 4.1 tonnes of CO₂ equivalents per person | Cambodia |
| 1900s | 4.64 tonnes of CO₂ equivalents per person | 0.3407 tonnes of CO₂ equivalents per person | 4.3 tonnes of CO₂ equivalents per person | Cambodia |
| 1910s | 5.16 tonnes of CO₂ equivalents per person | 0.3077 tonnes of CO₂ equivalents per person | 4.85 tonnes of CO₂ equivalents per person | Cambodia |
| 1920s | 9.92 tonnes of CO₂ equivalents per person | 0.2784 tonnes of CO₂ equivalents per person | 9.64 tonnes of CO₂ equivalents per person | Cambodia |
| 1930s | 12.91 tonnes of CO₂ equivalents per person | 0.2755 tonnes of CO₂ equivalents per person | 12.63 tonnes of CO₂ equivalents per person | Cambodia |
| 1940s | 13.16 tonnes of CO₂ equivalents per person | 0.2835 tonnes of CO₂ equivalents per person | 12.87 tonnes of CO₂ equivalents per person | Cambodia |
| 1950s | 17.66 tonnes of CO₂ equivalents per person | 1.13 tonnes of CO₂ equivalents per person | 16.52 tonnes of CO₂ equivalents per person | Cambodia |
| 1960s | 9.15 tonnes of CO₂ equivalents per person | 1.98 tonnes of CO₂ equivalents per person | 7.17 tonnes of CO₂ equivalents per person | Cambodia |
| 1970s | 3.5 tonnes of CO₂ equivalents per person | 3.2 tonnes of CO₂ equivalents per person | 0.2957 tonnes of CO₂ equivalents per person | Cambodia |
| 1980s | 11.68 tonnes of CO₂ equivalents per person | 5.02 tonnes of CO₂ equivalents per person | 6.66 tonnes of CO₂ equivalents per person | Cambodia |
| 1990s | 5.95 tonnes of CO₂ equivalents per person | 6.09 tonnes of CO₂ equivalents per person | 0.1381 tonnes of CO₂ equivalents per person | Hong Kong |
| 2000s | 4.46 tonnes of CO₂ equivalents per person | 6.69 tonnes of CO₂ equivalents per person | 2.24 tonnes of CO₂ equivalents per person | Hong Kong |
| 2010s | 5.49 tonnes of CO₂ equivalents per person | 6.57 tonnes of CO₂ equivalents per person | 1.08 tonnes of CO₂ equivalents per person | Hong Kong |
| 2020s | 5.34 tonnes of CO₂ equivalents per person | 5.15 tonnes of CO₂ equivalents per person | 0.1954 tonnes of CO₂ equivalents per person | Cambodia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher per capita greenhouse gas emissions, Cambodia or Hong Kong?
- Hong Kong, at 5.25 tonnes of CO₂ equivalents per person against 5.21 tonnes of CO₂ equivalents per person in Cambodia as of 2024.
- What is the difference in per capita greenhouse gas emissions between Cambodia and Hong Kong?
- 0.04 tonnes of CO₂ equivalents per person, with Hong Kong ahead.
- How many years of comparable data are there for Cambodia and Hong Kong?
- 175 years are reported by both, from 1850 to 2024.
- How do Cambodia and Hong Kong rank globally for per capita greenhouse gas emissions?
- Cambodia ranks 98th and Hong Kong ranks 97th 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.