Comoros vs Hong Kong: Per capita nitrous oxide emissions
Comoros
0.0786 tonnes of CO₂ equivalents per person
in 2024
Hong Kong
0.0596 tonnes of CO₂ equivalents per person
in 2024
Comoros rank
192nd
Hong Kong rank
194th
Per capita nitrous oxide emissions over time
- Comoros
- Hong Kong
How they compare
Comoros currently reports 0.0786 tonnes of CO₂ equivalents per person against 0.0596 tonnes of CO₂ equivalents per person in Hong Kong, a difference of 0.019 tonnes of CO₂ equivalents per person.
That makes Comoros's figure about 1.3 times Hong Kong's.
The two have swapped places 5 times across 175 shared years of data; in 1850 it was Hong Kong ahead.
Comoros ranks 192nd and Hong Kong ranks 194th of 201 countries.
Across the 18 decades both report, Comoros averaged higher in 8 and Hong Kong in 10.
Head to head by decade
| Decade | Comoros | Hong Kong | Difference | Ahead |
|---|---|---|---|---|
| 1850s | 0.0354 tonnes of CO₂ equivalents per person | 0.6313 tonnes of CO₂ equivalents per person | 0.5959 tonnes of CO₂ equivalents per person | Hong Kong |
| 1860s | 0.0353 tonnes of CO₂ equivalents per person | 0.3828 tonnes of CO₂ equivalents per person | 0.3475 tonnes of CO₂ equivalents per person | Hong Kong |
| 1870s | 0.041 tonnes of CO₂ equivalents per person | 0.2777 tonnes of CO₂ equivalents per person | 0.2367 tonnes of CO₂ equivalents per person | Hong Kong |
| 1880s | 0.0502 tonnes of CO₂ equivalents per person | 0.2435 tonnes of CO₂ equivalents per person | 0.1933 tonnes of CO₂ equivalents per person | Hong Kong |
| 1890s | 0.0531 tonnes of CO₂ equivalents per person | 0.1929 tonnes of CO₂ equivalents per person | 0.1397 tonnes of CO₂ equivalents per person | Hong Kong |
| 1900s | 0.0523 tonnes of CO₂ equivalents per person | 0.15 tonnes of CO₂ equivalents per person | 0.0977 tonnes of CO₂ equivalents per person | Hong Kong |
| 1910s | 0.0555 tonnes of CO₂ equivalents per person | 0.118 tonnes of CO₂ equivalents per person | 0.0625 tonnes of CO₂ equivalents per person | Hong Kong |
| 1920s | 0.0729 tonnes of CO₂ equivalents per person | 0.0989 tonnes of CO₂ equivalents per person | 0.026 tonnes of CO₂ equivalents per person | Hong Kong |
| 1930s | 0.0736 tonnes of CO₂ equivalents per person | 0.0737 tonnes of CO₂ equivalents per person | 0.0001 tonnes of CO₂ equivalents per person | Hong Kong |
| 1940s | 0.1595 tonnes of CO₂ equivalents per person | 0.0593 tonnes of CO₂ equivalents per person | 0.1002 tonnes of CO₂ equivalents per person | Comoros |
| 1950s | 0.2096 tonnes of CO₂ equivalents per person | 0.0577 tonnes of CO₂ equivalents per person | 0.1519 tonnes of CO₂ equivalents per person | Comoros |
| 1960s | 0.1665 tonnes of CO₂ equivalents per person | 0.0548 tonnes of CO₂ equivalents per person | 0.1117 tonnes of CO₂ equivalents per person | Comoros |
| 1970s | 0.1599 tonnes of CO₂ equivalents per person | 0.0648 tonnes of CO₂ equivalents per person | 0.0951 tonnes of CO₂ equivalents per person | Comoros |
| 1980s | 0.1151 tonnes of CO₂ equivalents per person | 0.083 tonnes of CO₂ equivalents per person | 0.0321 tonnes of CO₂ equivalents per person | Comoros |
| 1990s | 0.0982 tonnes of CO₂ equivalents per person | 0.1207 tonnes of CO₂ equivalents per person | 0.0224 tonnes of CO₂ equivalents per person | Hong Kong |
| 2000s | 0.0947 tonnes of CO₂ equivalents per person | 0.0857 tonnes of CO₂ equivalents per person | 0.009 tonnes of CO₂ equivalents per person | Comoros |
| 2010s | 0.0864 tonnes of CO₂ equivalents per person | 0.0801 tonnes of CO₂ equivalents per person | 0.0063 tonnes of CO₂ equivalents per person | Comoros |
| 2020s | 0.0816 tonnes of CO₂ equivalents per person | 0.0662 tonnes of CO₂ equivalents per person | 0.0153 tonnes of CO₂ equivalents per person | Comoros |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher per capita nitrous oxide emissions, Comoros or Hong Kong?
- Comoros, at 0.0786 tonnes of CO₂ equivalents per person against 0.0596 tonnes of CO₂ equivalents per person in Hong Kong as of 2024.
- What is the difference in per capita nitrous oxide emissions between Comoros and Hong Kong?
- 0.019 tonnes of CO₂ equivalents per person, with Comoros ahead.
- How many years of comparable data are there for Comoros and Hong Kong?
- 175 years are reported by both, from 1850 to 2024.
- How do Comoros and Hong Kong rank globally for per capita nitrous oxide emissions?
- Comoros ranks 192nd and Hong Kong ranks 194th of 201 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 nitrous oxide emissions. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Measured in tonnes per person of carbon dioxide-equivalents over a 100-year timescale.