Cambodia vs Sierra Leone: Annual carbon dioxide emissions
Cambodia
21.00 million
in 2026
Sierra Leone
18.37 million
in 2026
Cambodia rank
35th
Sierra Leone rank
38th
Annual carbon dioxide emissions over time
- Cambodia
- Sierra Leone
How they compare
Cambodia currently reports 21.00 million against 18.37 million in Sierra Leone, a difference of 2.63 million.
That makes Cambodia's figure about 1.1 times Sierra Leone's.
The two have swapped places 7 times across 24 shared years of data; in 2003 it was Sierra Leone ahead.
Cambodia ranks 35th and Sierra Leone ranks 38th of 248 countries.
Sierra Leone has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Cambodia | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 29.19 million | 45.58 million | 16.39 million | Sierra Leone |
| 2010s | 36.14 million | 51.57 million | 15.43 million | Sierra Leone |
| 2020s | 20.45 million | 29.29 million | 8.83 million | Sierra Leone |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual carbon dioxide emissions, Cambodia or Sierra Leone?
- Cambodia, at 21.00 million against 18.37 million in Sierra Leone as of 2026.
- What is the difference in annual carbon dioxide emissions between Cambodia and Sierra Leone?
- 2.63 million, with Cambodia ahead.
- How many years of comparable data are there for Cambodia and Sierra Leone?
- 24 years are reported by both, from 2003 to 2026.
- How do Cambodia and Sierra Leone rank globally for annual carbon dioxide emissions?
- Cambodia ranks 35th and Sierra Leone ranks 38th of 248 countries.
- Where does this data come from?
- Our World in Data, published as Annual carbon dioxide emissions. Statizoid refreshes it automatically from the source and publishes the full history for both places.