Hong Kong vs Iceland: Greenhouse gas emissions by gas
Hong Kong
442,131 tonnes of CO₂ equivalents
in 2024
Iceland
346,459 tonnes of CO₂ equivalents
in 2024
Hong Kong rank
152nd
Iceland rank
155th
Greenhouse gas emissions by gas over time
- Hong Kong
- Iceland
How they compare
Hong Kong currently reports 442,131 tonnes of CO₂ equivalents against 346,459 tonnes of CO₂ equivalents in Iceland, a difference of 95,672 tonnes of CO₂ equivalents.
That makes Hong Kong's figure about 1.3 times Iceland's.
The two have swapped places 1 time across 175 shared years of data; in 1850 it was Iceland ahead.
Hong Kong ranks 152nd and Iceland ranks 155th of 201 countries.
Across the 18 decades both report, Hong Kong averaged higher in 5 and Iceland in 13.
Head to head by decade
| Decade | Hong Kong | Iceland | Difference | Ahead |
|---|---|---|---|---|
| 1850s | 31,055 tonnes of CO₂ equivalents | 33,322 tonnes of CO₂ equivalents | 2,267 tonnes of CO₂ equivalents | Iceland |
| 1860s | 33,698 tonnes of CO₂ equivalents | 35,581 tonnes of CO₂ equivalents | 1,884 tonnes of CO₂ equivalents | Iceland |
| 1870s | 38,628 tonnes of CO₂ equivalents | 44,304 tonnes of CO₂ equivalents | 5,677 tonnes of CO₂ equivalents | Iceland |
| 1880s | 45,213 tonnes of CO₂ equivalents | 57,705 tonnes of CO₂ equivalents | 12,492 tonnes of CO₂ equivalents | Iceland |
| 1890s | 49,190 tonnes of CO₂ equivalents | 77,079 tonnes of CO₂ equivalents | 27,889 tonnes of CO₂ equivalents | Iceland |
| 1900s | 54,717 tonnes of CO₂ equivalents | 89,056 tonnes of CO₂ equivalents | 34,340 tonnes of CO₂ equivalents | Iceland |
| 1910s | 61,934 tonnes of CO₂ equivalents | 85,758 tonnes of CO₂ equivalents | 23,823 tonnes of CO₂ equivalents | Iceland |
| 1920s | 69,671 tonnes of CO₂ equivalents | 96,519 tonnes of CO₂ equivalents | 26,848 tonnes of CO₂ equivalents | Iceland |
| 1930s | 77,491 tonnes of CO₂ equivalents | 113,445 tonnes of CO₂ equivalents | 35,954 tonnes of CO₂ equivalents | Iceland |
| 1940s | 100,900 tonnes of CO₂ equivalents | 204,560 tonnes of CO₂ equivalents | 103,659 tonnes of CO₂ equivalents | Iceland |
| 1950s | 139,637 tonnes of CO₂ equivalents | 324,171 tonnes of CO₂ equivalents | 184,533 tonnes of CO₂ equivalents | Iceland |
| 1960s | 176,762 tonnes of CO₂ equivalents | 376,394 tonnes of CO₂ equivalents | 199,632 tonnes of CO₂ equivalents | Iceland |
| 1970s | 282,841 tonnes of CO₂ equivalents | 429,545 tonnes of CO₂ equivalents | 146,704 tonnes of CO₂ equivalents | Iceland |
| 1980s | 442,606 tonnes of CO₂ equivalents | 431,066 tonnes of CO₂ equivalents | 11,540 tonnes of CO₂ equivalents | Hong Kong |
| 1990s | 736,181 tonnes of CO₂ equivalents | 368,522 tonnes of CO₂ equivalents | 367,659 tonnes of CO₂ equivalents | Hong Kong |
| 2000s | 589,995 tonnes of CO₂ equivalents | 360,604 tonnes of CO₂ equivalents | 229,390 tonnes of CO₂ equivalents | Hong Kong |
| 2010s | 586,780 tonnes of CO₂ equivalents | 356,312 tonnes of CO₂ equivalents | 230,467 tonnes of CO₂ equivalents | Hong Kong |
| 2020s | 494,263 tonnes of CO₂ equivalents | 349,813 tonnes of CO₂ equivalents | 144,449 tonnes of CO₂ equivalents | Hong Kong |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher greenhouse gas emissions by gas, Hong Kong or Iceland?
- Hong Kong, at 442,131 tonnes of CO₂ equivalents against 346,459 tonnes of CO₂ equivalents in Iceland as of 2024.
- What is the difference in greenhouse gas emissions by gas between Hong Kong and Iceland?
- 95,672 tonnes of CO₂ equivalents, with Hong Kong ahead.
- How many years of comparable data are there for Hong Kong and Iceland?
- 175 years are reported by both, from 1850 to 2024.
- How do Hong Kong and Iceland rank globally for greenhouse gas emissions by gas?
- Hong Kong ranks 152nd and Iceland ranks 155th of 201 countries.
- Where does this data come from?
- Jones et al. (2025) – with major processing by Our World in Data, published as Greenhouse gas emissions by gas. 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.