Sierra Leone vs Singapore: Nitrous oxide emissions
Sierra Leone
1.46 million tonnes of CO₂ equivalents
in 2024
Singapore
1.34 million tonnes of CO₂ equivalents
in 2024
Sierra Leone rank
131st
Singapore rank
133rd
Nitrous oxide emissions over time
- Sierra Leone
- Singapore
How they compare
Sierra Leone currently reports 1.46 million tonnes of CO₂ equivalents against 1.34 million tonnes of CO₂ equivalents in Singapore, a difference of 122,790 tonnes of CO₂ equivalents.
That makes Sierra Leone's figure about 1.1 times Singapore's.
The two have swapped places 6 times across 175 shared years of data; in 1850 it was Sierra Leone ahead.
Sierra Leone ranks 131st and Singapore ranks 133rd of 201 countries.
Across the 18 decades both report, Sierra Leone averaged higher in 10 and Singapore in 8.
Head to head by decade
| Decade | Sierra Leone | Singapore | Difference | Ahead |
|---|---|---|---|---|
| 1850s | 40,443 tonnes of CO₂ equivalents | 24,037 tonnes of CO₂ equivalents | 16,407 tonnes of CO₂ equivalents | Sierra Leone |
| 1860s | 43,458 tonnes of CO₂ equivalents | 26,157 tonnes of CO₂ equivalents | 17,301 tonnes of CO₂ equivalents | Sierra Leone |
| 1870s | 52,427 tonnes of CO₂ equivalents | 29,529 tonnes of CO₂ equivalents | 22,897 tonnes of CO₂ equivalents | Sierra Leone |
| 1880s | 65,705 tonnes of CO₂ equivalents | 33,807 tonnes of CO₂ equivalents | 31,897 tonnes of CO₂ equivalents | Sierra Leone |
| 1890s | 75,048 tonnes of CO₂ equivalents | 37,349 tonnes of CO₂ equivalents | 37,699 tonnes of CO₂ equivalents | Sierra Leone |
| 1900s | 86,525 tonnes of CO₂ equivalents | 42,268 tonnes of CO₂ equivalents | 44,257 tonnes of CO₂ equivalents | Sierra Leone |
| 1910s | 109,747 tonnes of CO₂ equivalents | 50,258 tonnes of CO₂ equivalents | 59,490 tonnes of CO₂ equivalents | Sierra Leone |
| 1920s | 152,156 tonnes of CO₂ equivalents | 60,318 tonnes of CO₂ equivalents | 91,838 tonnes of CO₂ equivalents | Sierra Leone |
| 1930s | 167,565 tonnes of CO₂ equivalents | 188,394 tonnes of CO₂ equivalents | 20,830 tonnes of CO₂ equivalents | Singapore |
| 1940s | 348,832 tonnes of CO₂ equivalents | 548,286 tonnes of CO₂ equivalents | 199,454 tonnes of CO₂ equivalents | Singapore |
| 1950s | 511,020 tonnes of CO₂ equivalents | 1.26 million tonnes of CO₂ equivalents | 746,812 tonnes of CO₂ equivalents | Singapore |
| 1960s | 501,293 tonnes of CO₂ equivalents | 2.84 million tonnes of CO₂ equivalents | 2.33 million tonnes of CO₂ equivalents | Singapore |
| 1970s | 610,564 tonnes of CO₂ equivalents | 3.28 million tonnes of CO₂ equivalents | 2.67 million tonnes of CO₂ equivalents | Singapore |
| 1980s | 696,225 tonnes of CO₂ equivalents | 3.72 million tonnes of CO₂ equivalents | 3.02 million tonnes of CO₂ equivalents | Singapore |
| 1990s | 736,800 tonnes of CO₂ equivalents | 4.68 million tonnes of CO₂ equivalents | 3.94 million tonnes of CO₂ equivalents | Singapore |
| 2000s | 942,854 tonnes of CO₂ equivalents | 2.51 million tonnes of CO₂ equivalents | 1.57 million tonnes of CO₂ equivalents | Singapore |
| 2010s | 1.32 million tonnes of CO₂ equivalents | 1.23 million tonnes of CO₂ equivalents | 90,282 tonnes of CO₂ equivalents | Sierra Leone |
| 2020s | 1.37 million tonnes of CO₂ equivalents | 1.34 million tonnes of CO₂ equivalents | 35,682 tonnes of CO₂ equivalents | Sierra Leone |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher nitrous oxide emissions, Sierra Leone or Singapore?
- Sierra Leone, at 1.46 million tonnes of CO₂ equivalents against 1.34 million tonnes of CO₂ equivalents in Singapore as of 2024.
- What is the difference in nitrous oxide emissions between Sierra Leone and Singapore?
- 122,790 tonnes of CO₂ equivalents, with Sierra Leone ahead.
- How many years of comparable data are there for Sierra Leone and Singapore?
- 175 years are reported by both, from 1850 to 2024.
- How do Sierra Leone and Singapore rank globally for nitrous oxide emissions?
- Sierra Leone ranks 131st and Singapore ranks 133rd of 201 countries.
- Where does this data come from?
- Jones et al. (2025) – with major processing by Our World in Data, published as 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 of carbon dioxide-equivalents over a 100-year timescale.