Mauritania vs Sierra Leone: Greenhouse gas emissions
Mauritania
18.20 million tonnes of CO₂ equivalents
in 2024
Sierra Leone
16.29 million tonnes of CO₂ equivalents
in 2024
Mauritania rank
131st
Sierra Leone rank
134th
Greenhouse gas emissions over time
- Mauritania
- Sierra Leone
How they compare
Mauritania currently reports 18.20 million tonnes of CO₂ equivalents against 16.29 million tonnes of CO₂ equivalents in Sierra Leone, a difference of 1.91 million tonnes of CO₂ equivalents.
That makes Mauritania's figure about 1.1 times Sierra Leone's.
The two have swapped places 5 times across 175 shared years of data; in 1850 it was Sierra Leone ahead.
Mauritania ranks 131st and Sierra Leone ranks 134th of 199 countries.
Across the 18 decades both report, Mauritania averaged higher in 2 and Sierra Leone in 16.
Head to head by decade
| Decade | Mauritania | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 1850s | 1.63 million tonnes of CO₂ equivalents | 44.67 million tonnes of CO₂ equivalents | 43.04 million tonnes of CO₂ equivalents | Sierra Leone |
| 1860s | 1.46 million tonnes of CO₂ equivalents | 12.28 million tonnes of CO₂ equivalents | 10.82 million tonnes of CO₂ equivalents | Sierra Leone |
| 1870s | 1.41 million tonnes of CO₂ equivalents | 4.85 million tonnes of CO₂ equivalents | 3.44 million tonnes of CO₂ equivalents | Sierra Leone |
| 1880s | 1.33 million tonnes of CO₂ equivalents | 3.88 million tonnes of CO₂ equivalents | 2.56 million tonnes of CO₂ equivalents | Sierra Leone |
| 1890s | 1.08 million tonnes of CO₂ equivalents | 3.07 million tonnes of CO₂ equivalents | 1.99 million tonnes of CO₂ equivalents | Sierra Leone |
| 1900s | 804,038 tonnes of CO₂ equivalents | 2.58 million tonnes of CO₂ equivalents | 1.78 million tonnes of CO₂ equivalents | Sierra Leone |
| 1910s | 1.03 million tonnes of CO₂ equivalents | 1.75 million tonnes of CO₂ equivalents | 718,976 tonnes of CO₂ equivalents | Sierra Leone |
| 1920s | 1.17 million tonnes of CO₂ equivalents | 6.47 million tonnes of CO₂ equivalents | 5.30 million tonnes of CO₂ equivalents | Sierra Leone |
| 1930s | 774,106 tonnes of CO₂ equivalents | 7.28 million tonnes of CO₂ equivalents | 6.50 million tonnes of CO₂ equivalents | Sierra Leone |
| 1940s | 1.93 million tonnes of CO₂ equivalents | 9.35 million tonnes of CO₂ equivalents | 7.42 million tonnes of CO₂ equivalents | Sierra Leone |
| 1950s | 3.09 million tonnes of CO₂ equivalents | 7.46 million tonnes of CO₂ equivalents | 4.37 million tonnes of CO₂ equivalents | Sierra Leone |
| 1960s | 4.44 million tonnes of CO₂ equivalents | 7.83 million tonnes of CO₂ equivalents | 3.39 million tonnes of CO₂ equivalents | Sierra Leone |
| 1970s | 4.53 million tonnes of CO₂ equivalents | 8.87 million tonnes of CO₂ equivalents | 4.34 million tonnes of CO₂ equivalents | Sierra Leone |
| 1980s | 8.01 million tonnes of CO₂ equivalents | 10.95 million tonnes of CO₂ equivalents | 2.94 million tonnes of CO₂ equivalents | Sierra Leone |
| 1990s | 9.87 million tonnes of CO₂ equivalents | 8.99 million tonnes of CO₂ equivalents | 880,986 tonnes of CO₂ equivalents | Mauritania |
| 2000s | 12.20 million tonnes of CO₂ equivalents | 55.40 million tonnes of CO₂ equivalents | 43.19 million tonnes of CO₂ equivalents | Sierra Leone |
| 2010s | 14.97 million tonnes of CO₂ equivalents | 23.21 million tonnes of CO₂ equivalents | 8.24 million tonnes of CO₂ equivalents | Sierra Leone |
| 2020s | 17.70 million tonnes of CO₂ equivalents | 16.30 million tonnes of CO₂ equivalents | 1.40 million tonnes of CO₂ equivalents | Mauritania |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher greenhouse gas emissions, Mauritania or Sierra Leone?
- Mauritania, at 18.20 million tonnes of CO₂ equivalents against 16.29 million tonnes of CO₂ equivalents in Sierra Leone as of 2024.
- What is the difference in greenhouse gas emissions between Mauritania and Sierra Leone?
- 1.91 million tonnes of CO₂ equivalents, with Mauritania ahead.
- How many years of comparable data are there for Mauritania and Sierra Leone?
- 175 years are reported by both, from 1850 to 2024.
- How do Mauritania and Sierra Leone rank globally for greenhouse gas emissions?
- Mauritania ranks 131st and Sierra Leone ranks 134th of 199 countries.
- Where does this data come from?
- Jones et al. (2025) – with major processing by Our World in Data, published as 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 of carbon dioxide-equivalents over a 100-year timescale.