Hong Kong vs Sierra Leone: Methane emissions
Hong Kong
5.15 million
in 2024
Sierra Leone
5.42 million
in 2024
Hong Kong rank
130th
Sierra Leone rank
128th
Methane emissions over time
- Hong Kong
- Sierra Leone
How they compare
Sierra Leone currently reports 5.42 million against 5.15 million in Hong Kong, a difference of 270,070.
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 199 countries.
Across the 18 decades both report, Hong Kong averaged higher in 4 and Sierra Leone in 14.
Head to head by decade
| Decade | Hong Kong | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 1850s | 9,816 | 464,598 | 454,782 | Sierra Leone |
| 1860s | 18,191 | 470,953 | 452,762 | Sierra Leone |
| 1870s | 26,365 | 480,528 | 454,163 | Sierra Leone |
| 1880s | 34,768 | 490,376 | 455,608 | Sierra Leone |
| 1890s | 46,942 | 504,143 | 457,201 | Sierra Leone |
| 1900s | 70,240 | 595,598 | 525,358 | Sierra Leone |
| 1910s | 100,130 | 686,745 | 586,614 | Sierra Leone |
| 1920s | 126,630 | 839,684 | 713,054 | Sierra Leone |
| 1930s | 213,278 | 1.04 million | 829,256 | Sierra Leone |
| 1940s | 369,300 | 1.28 million | 913,033 | Sierra Leone |
| 1950s | 717,486 | 1.54 million | 820,583 | Sierra Leone |
| 1960s | 1.44 million | 1.80 million | 356,988 | Sierra Leone |
| 1970s | 2.21 million | 2.12 million | 88,959 | Hong Kong |
| 1980s | 2.95 million | 2.29 million | 653,101 | Hong Kong |
| 1990s | 3.75 million | 2.88 million | 874,156 | Hong Kong |
| 2000s | 4.25 million | 3.80 million | 455,571 | Hong Kong |
| 2010s | 4.68 million | 5.03 million | 353,303 | Sierra Leone |
| 2020s | 5.05 million | 5.26 million | 212,792 | Sierra Leone |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher methane emissions, Hong Kong or Sierra Leone?
- Sierra Leone, at 5.42 million against 5.15 million in Hong Kong as of 2024.
- What is the difference in methane emissions between Hong Kong and Sierra Leone?
- 270,070, 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 methane emissions?
- Hong Kong ranks 130th and Sierra Leone ranks 128th of 199 countries.
- Where does this data come from?
- Our World in Data, published as Methane emissions. Statizoid refreshes it automatically from the source and publishes the full history for both places.