Live estimate
Hong Kong CO₂ Emissions
Hong Kong emitted 33.3 million tonnes of CO₂ from fossil fuels and industry in 2024: 0.1% of the world total, the 68th most of 213 countries. That is 4.5 tonnes per person, 5% below the world average of 4.7 t.
Estimated CO₂ emitted by Hong Kong in 2026 so far
0
0 tonnes since you opened this page · 1 t every second
CO₂ in 2024
33.3 Mt
33.3 million tonnes
World rank
#68
of 213 countries
Share of world
0.1%
world total 38.6 Gt
Per person
4.5 t
world average 4.7 t
Change vs 2023
+0.9%
2023: 33.0 Mt
Historical share
0.1%
#72 since 1750
Trend since 2000
Emissions rose 0.9% in 2024 compared with 2023. Compared with 2005, emissions are down 23%. Emissions peaked in 2014 at 45.5 million tonnes and are now 27% lower.
Show yearly data (million tonnes)
| Year | CO₂ (Mt) |
|---|---|
| 2024 | 33.3 |
| 2023 | 33.0 |
| 2022 | 30.8 |
| 2021 | 33.6 |
| 2020 | 33.5 |
| 2019 | 41.9 |
| 2018 | 42.6 |
| 2017 | 42.4 |
| 2016 | 43.4 |
| 2015 | 42.4 |
| 2014 | 45.5 |
| 2013 | 44.3 |
| 2012 | 42.7 |
| 2011 | 43.1 |
| 2010 | 40.1 |
| 2009 | 41.6 |
| 2008 | 42.8 |
| 2007 | 43.6 |
| 2006 | 41.9 |
| 2005 | 43.3 |
| 2004 | 41.2 |
| 2003 | 42.7 |
| 2002 | 39.0 |
| 2001 | 37.3 |
| 2000 | 39.8 |
Where it comes from
Coal is the largest source of Hong Kong’s CO₂, at 34%.
- Coal34%11.3 Mt
- Oil31%10.4 Mt
- Gas33%11.0 Mt
- Cement2%0.6 Mt
How Hong Kong compares
| Rank | Country | CO₂ 2024 | Share | Per person |
|---|---|---|---|---|
| 66 | Portugal | 35.5 Mt | 0.1% | 3.4 t |
| 67 | Trinidad and Tobago | 34.6 Mt | 0.1% | 22.9 t |
| 68 | Hong Kong | 33.3 Mt | 0.1% | 4.5 t |
| 69 | Ireland | 33.3 Mt | 0.1% | 6.3 t |
| 70 | Dominican Republic | 33.1 Mt | 0.1% | 2.9 t |
Questions and answers
How much CO₂ does Hong Kong emit?
Hong Kong emitted 33.3 million tonnes of CO₂ from fossil fuels and industry in 2024, 0.1% of global emissions. That is about 1 tonnes every second.
What are Hong Kong’s CO₂ emissions per person?
Hong Kong emits 4.5 tonnes per person, 5% below the world average of 4.7 t. Per-person emissions divide the national total by population (7.4 million people in 2024).
Are Hong Kong’s CO₂ emissions rising or falling?
Emissions rose 0.9% in 2024 compared with 2023. Compared with 2005, emissions are down 23%. Emissions peaked in 2014 at 45.5 million tonnes and are now 27% lower.
What is the main source of CO₂ emissions in Hong Kong?
Coal is the largest source, at 34% of Hong Kong’s fossil and industry CO₂ in 2024 (11.3 million tonnes).
How much has Hong Kong contributed to historical CO₂ emissions?
Since 1750, Hong Kong has emitted about 2 billion tonnes of fossil CO₂, 0.1% of the world total, the 72nd largest historical contribution.
Related reading
Data: Our World in Data, based on the Global Carbon Project (Global Carbon Budget 2025), CC BY 4.0. Annual figures are fossil-fuel and industry CO₂ for 2024, the latest complete year. Live counters are estimates that assume 2024 emission rates continue. How the counter works →