Hong Kong vs Switzerland: Annual greenhouse gas emissions by world region
Hong Kong
38.91 million tonnes of CO₂ equivalents
in 2024
Switzerland
40.11 million tonnes of CO₂ equivalents
in 2024
Hong Kong rank
111th
Switzerland rank
108th
Annual greenhouse gas emissions by world region over time
- Hong Kong
- Switzerland
How they compare
Switzerland currently reports 40.11 million tonnes of CO₂ equivalents against 38.91 million tonnes of CO₂ equivalents in Hong Kong, a difference of 1.20 million tonnes of CO₂ equivalents.
The two have swapped places 2 times across 175 shared years of data; in 1850 it was Switzerland ahead.
Hong Kong ranks 111th and Switzerland ranks 108th of 199 countries.
Across the 18 decades both report, Hong Kong averaged higher in 1 and Switzerland in 17.
Head to head by decade
| Decade | Hong Kong | Switzerland | Difference | Ahead |
|---|---|---|---|---|
| 1850s | 40,870 tonnes of CO₂ equivalents | 5.60 million tonnes of CO₂ equivalents | 5.55 million tonnes of CO₂ equivalents | Switzerland |
| 1860s | 51,888 tonnes of CO₂ equivalents | 5.79 million tonnes of CO₂ equivalents | 5.74 million tonnes of CO₂ equivalents | Switzerland |
| 1870s | 64,993 tonnes of CO₂ equivalents | 6.23 million tonnes of CO₂ equivalents | 6.16 million tonnes of CO₂ equivalents | Switzerland |
| 1880s | 79,981 tonnes of CO₂ equivalents | 6.49 million tonnes of CO₂ equivalents | 6.41 million tonnes of CO₂ equivalents | Switzerland |
| 1890s | 96,132 tonnes of CO₂ equivalents | 9.22 million tonnes of CO₂ equivalents | 9.12 million tonnes of CO₂ equivalents | Switzerland |
| 1900s | 124,957 tonnes of CO₂ equivalents | 13.26 million tonnes of CO₂ equivalents | 13.14 million tonnes of CO₂ equivalents | Switzerland |
| 1910s | 162,065 tonnes of CO₂ equivalents | 13.37 million tonnes of CO₂ equivalents | 13.21 million tonnes of CO₂ equivalents | Switzerland |
| 1920s | 196,301 tonnes of CO₂ equivalents | 12.34 million tonnes of CO₂ equivalents | 12.14 million tonnes of CO₂ equivalents | Switzerland |
| 1930s | 301,671 tonnes of CO₂ equivalents | 14.63 million tonnes of CO₂ equivalents | 14.32 million tonnes of CO₂ equivalents | Switzerland |
| 1940s | 482,920 tonnes of CO₂ equivalents | 12.69 million tonnes of CO₂ equivalents | 12.21 million tonnes of CO₂ equivalents | Switzerland |
| 1950s | 2.79 million tonnes of CO₂ equivalents | 22.81 million tonnes of CO₂ equivalents | 20.01 million tonnes of CO₂ equivalents | Switzerland |
| 1960s | 6.46 million tonnes of CO₂ equivalents | 39.66 million tonnes of CO₂ equivalents | 33.21 million tonnes of CO₂ equivalents | Switzerland |
| 1970s | 14.09 million tonnes of CO₂ equivalents | 52.70 million tonnes of CO₂ equivalents | 38.60 million tonnes of CO₂ equivalents | Switzerland |
| 1980s | 26.78 million tonnes of CO₂ equivalents | 51.21 million tonnes of CO₂ equivalents | 24.43 million tonnes of CO₂ equivalents | Switzerland |
| 1990s | 37.14 million tonnes of CO₂ equivalents | 54.30 million tonnes of CO₂ equivalents | 17.15 million tonnes of CO₂ equivalents | Switzerland |
| 2000s | 46.16 million tonnes of CO₂ equivalents | 53.13 million tonnes of CO₂ equivalents | 6.97 million tonnes of CO₂ equivalents | Switzerland |
| 2010s | 48.11 million tonnes of CO₂ equivalents | 47.82 million tonnes of CO₂ equivalents | 290,670 tonnes of CO₂ equivalents | Hong Kong |
| 2020s | 38.38 million tonnes of CO₂ equivalents | 41.31 million tonnes of CO₂ equivalents | 2.93 million tonnes of CO₂ equivalents | Switzerland |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual greenhouse gas emissions by world region, Hong Kong or Switzerland?
- Switzerland, at 40.11 million tonnes of CO₂ equivalents against 38.91 million tonnes of CO₂ equivalents in Hong Kong as of 2024.
- What is the difference in annual greenhouse gas emissions by world region between Hong Kong and Switzerland?
- 1.20 million tonnes of CO₂ equivalents, with Switzerland ahead.
- How many years of comparable data are there for Hong Kong and Switzerland?
- 175 years are reported by both, from 1850 to 2024.
- How do Hong Kong and Switzerland rank globally for annual greenhouse gas emissions by world region?
- Hong Kong ranks 111th and Switzerland ranks 108th of 199 countries.
- Where does this data come from?
- Jones et al. (2025) – with major processing by Our World in Data, published as Annual greenhouse gas emissions by world region. 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.