Hong Kong vs Sierra Leone: Share of global methane emissions
Hong Kong
0.1%
in 2024
Sierra Leone
0.1%
in 2024
Hong Kong rank
130th
Sierra Leone rank
128th
Share of global methane emissions over time
- Hong Kong
- Sierra Leone
How they compare
Sierra Leone currently reports 0.1% against 0.1% in Hong Kong, a difference of 0.0%.
That makes Sierra Leone's figure about 1.1 times Hong Kong's.
The two have swapped places 6 times across 175 shared years of data; in 1850 it was Sierra Leone ahead.
Hong Kong ranks 130th and Sierra Leone ranks 128th of 201 countries.
Across the 18 decades both report, Hong Kong averaged higher in 3 and Sierra Leone in 15.
Head to head by decade
| Decade | Hong Kong | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 1850s | 0.0% | 0.0% | 0.0% | Sierra Leone |
| 1860s | 0.0% | 0.0% | 0.0% | Sierra Leone |
| 1870s | 0.0% | 0.0% | 0.0% | Sierra Leone |
| 1880s | 0.0% | 0.0% | 0.0% | Sierra Leone |
| 1890s | 0.0% | 0.0% | 0.0% | Sierra Leone |
| 1900s | 0.0% | 0.0% | 0.0% | Sierra Leone |
| 1910s | 0.0% | 0.0% | 0.0% | Sierra Leone |
| 1920s | 0.0% | 0.0% | 0.0% | Sierra Leone |
| 1930s | 0.0% | 0.0% | 0.0% | Sierra Leone |
| 1940s | 0.0% | 0.0% | 0.0% | Sierra Leone |
| 1950s | 0.0% | 0.0% | 0.0% | Sierra Leone |
| 1960s | 0.0% | 0.0% | 0.0% | Sierra Leone |
| 1970s | 0.0% | 0.0% | 0.0% | Sierra Leone |
| 1980s | 0.0% | 0.0% | 0.0% | Hong Kong |
| 1990s | 0.0% | 0.0% | 0.0% | Hong Kong |
| 2000s | 0.1% | 0.0% | 0.0% | Hong Kong |
| 2010s | 0.1% | 0.1% | 0.0% | Sierra Leone |
| 2020s | 0.1% | 0.1% | 0.0% | Sierra Leone |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of global methane emissions, Hong Kong or Sierra Leone?
- Sierra Leone, at 0.1% against 0.1% in Hong Kong as of 2024.
- What is the difference in share of global methane emissions between Hong Kong and Sierra Leone?
- 0.0%, with Sierra Leone ahead.
- How many years of comparable data are there for Hong Kong and Sierra Leone?
- 175 years are reported by both, from 1850 to 2024.
- How do Hong Kong and Sierra Leone rank globally for share of global methane emissions?
- Hong Kong ranks 130th and Sierra Leone ranks 128th of 201 countries.
- Where does this data come from?
- Jones et al. (2025) β with major processing by Our World in Data, published as Share of global methane emissions. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Measured as a percentage of the world's methane emissions.