Costa Rica vs Sierra Leone: Methane emissions
Costa Rica
5.54 million tonnes of CO₂ equivalents
in 2024
Sierra Leone
5.42 million tonnes of CO₂ equivalents
in 2024
Costa Rica rank
127th
Sierra Leone rank
128th
Methane emissions over time
- Costa Rica
- Sierra Leone
How they compare
Costa Rica currently reports 5.54 million tonnes of CO₂ equivalents against 5.42 million tonnes of CO₂ equivalents in Sierra Leone, a difference of 126,010 tonnes of CO₂ equivalents.
The two have swapped places 9 times across 175 shared years of data; in 1850 it was Sierra Leone ahead.
Costa Rica ranks 127th and Sierra Leone ranks 128th of 199 countries.
Across the 18 decades both report, Costa Rica averaged higher in 7 and Sierra Leone in 11.
Head to head by decade
| Decade | Costa Rica | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 1850s | 182,201 tonnes of CO₂ equivalents | 464,598 tonnes of CO₂ equivalents | 282,397 tonnes of CO₂ equivalents | Sierra Leone |
| 1860s | 218,723 tonnes of CO₂ equivalents | 470,953 tonnes of CO₂ equivalents | 252,231 tonnes of CO₂ equivalents | Sierra Leone |
| 1870s | 278,061 tonnes of CO₂ equivalents | 480,528 tonnes of CO₂ equivalents | 202,468 tonnes of CO₂ equivalents | Sierra Leone |
| 1880s | 348,632 tonnes of CO₂ equivalents | 490,376 tonnes of CO₂ equivalents | 141,744 tonnes of CO₂ equivalents | Sierra Leone |
| 1890s | 440,361 tonnes of CO₂ equivalents | 504,143 tonnes of CO₂ equivalents | 63,782 tonnes of CO₂ equivalents | Sierra Leone |
| 1900s | 554,863 tonnes of CO₂ equivalents | 595,598 tonnes of CO₂ equivalents | 40,735 tonnes of CO₂ equivalents | Sierra Leone |
| 1910s | 683,210 tonnes of CO₂ equivalents | 686,745 tonnes of CO₂ equivalents | 3,534 tonnes of CO₂ equivalents | Sierra Leone |
| 1920s | 795,719 tonnes of CO₂ equivalents | 839,684 tonnes of CO₂ equivalents | 43,965 tonnes of CO₂ equivalents | Sierra Leone |
| 1930s | 945,448 tonnes of CO₂ equivalents | 1.04 million tonnes of CO₂ equivalents | 97,086 tonnes of CO₂ equivalents | Sierra Leone |
| 1940s | 1.25 million tonnes of CO₂ equivalents | 1.28 million tonnes of CO₂ equivalents | 35,789 tonnes of CO₂ equivalents | Sierra Leone |
| 1950s | 1.66 million tonnes of CO₂ equivalents | 1.54 million tonnes of CO₂ equivalents | 117,088 tonnes of CO₂ equivalents | Costa Rica |
| 1960s | 2.40 million tonnes of CO₂ equivalents | 1.80 million tonnes of CO₂ equivalents | 601,857 tonnes of CO₂ equivalents | Costa Rica |
| 1970s | 3.61 million tonnes of CO₂ equivalents | 2.12 million tonnes of CO₂ equivalents | 1.49 million tonnes of CO₂ equivalents | Costa Rica |
| 1980s | 4.66 million tonnes of CO₂ equivalents | 2.29 million tonnes of CO₂ equivalents | 2.37 million tonnes of CO₂ equivalents | Costa Rica |
| 1990s | 4.45 million tonnes of CO₂ equivalents | 2.88 million tonnes of CO₂ equivalents | 1.57 million tonnes of CO₂ equivalents | Costa Rica |
| 2000s | 3.98 million tonnes of CO₂ equivalents | 3.80 million tonnes of CO₂ equivalents | 182,400 tonnes of CO₂ equivalents | Costa Rica |
| 2010s | 4.64 million tonnes of CO₂ equivalents | 5.03 million tonnes of CO₂ equivalents | 390,004 tonnes of CO₂ equivalents | Sierra Leone |
| 2020s | 5.33 million tonnes of CO₂ equivalents | 5.26 million tonnes of CO₂ equivalents | 65,786 tonnes of CO₂ equivalents | Costa Rica |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher methane emissions, Costa Rica or Sierra Leone?
- Costa Rica, at 5.54 million tonnes of CO₂ equivalents against 5.42 million tonnes of CO₂ equivalents in Sierra Leone as of 2024.
- What is the difference in methane emissions between Costa Rica and Sierra Leone?
- 126,010 tonnes of CO₂ equivalents, with Costa Rica ahead.
- How many years of comparable data are there for Costa Rica and Sierra Leone?
- 175 years are reported by both, from 1850 to 2024.
- How do Costa Rica and Sierra Leone rank globally for methane emissions?
- Costa Rica ranks 127th and Sierra Leone ranks 128th of 199 countries.
- Where does this data come from?
- Jones et al. (2025) – with major processing by Our World in Data, published as Methane 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.