Year-on-year change in CO₂ emissions in Hong Kong
Hong Kong: Year-on-year change in CO₂ emissions was 366,864 tonnes in 2024. ◆ Volatile
Year-on-year change in CO₂ emissions in Hong Kong, 1939–2024
Source: Global Carbon Budget (2025) – with major processing by Our World in Data. Measured in tonnes.
Analysis
Hong Kong recorded 366,864 tonnes for year-on-year change in co₂ emissions in 2024.
That represents a change of down 83.3% on the previous year and down 68.9% over ten years.
Over the whole period, year-on-year change in co₂ emissions in Hong Kong peaked at 8.43 million tonnes in 1998 and was at its lowest, -8.38 million tonnes, in 2020.
Hong Kong ranks 56th of 215 regions on this measure, in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1930s | 0 tonnes | 0 tonnes | 0 tonnes | 1 |
| 1940s | 5,452 tonnes | 3,634 tonnes | 7,269 tonnes | 2 |
| 1950s | 267,439 tonnes | -21,954 tonnes | 1.29 million tonnes | 10 |
| 1960s | 504,804 tonnes | -25,619 tonnes | 1.55 million tonnes | 10 |
| 1970s | 808,613 tonnes | 10,872 tonnes | 1.71 million tonnes | 10 |
| 1980s | 1.43 million tonnes | 656,618 tonnes | 2.64 million tonnes | 10 |
| 1990s | 1.24 million tonnes | -3.70 million tonnes | 8.43 million tonnes | 10 |
| 2000s | -96,595 tonnes | -2.78 million tonnes | 3.73 million tonnes | 10 |
| 2010s | 31,354 tonnes | -3.09 million tonnes | 3.09 million tonnes | 10 |
| 2020s | -1.71 million tonnes | -8.38 million tonnes | 2.19 million tonnes | 5 |
Countries ranked near Hong Kong
More climate change data for Hong Kong
- Share of global CO₂ emissions and population 0.0% (2100)
- Population growth -0.3% (2025)
- Population, total 7.50 million (2025)
- Urban population growth -0.3% (2025)
- Urban population 7.50 million (2025)
- Urban population 100.0% (2025)
- CO₂ emissions per capita vs. GDP per capita 4.49 tonnes per person (2024)
- Cumulative CO₂ emissions 1.75 billion tonnes (2024)
- CO₂ emissions per capita 4.49 tonnes per person (2024)
- CO₂ emissions per capita vs. share of electricity generation from renewables 4.49 tonnes per person (2024)
Frequently asked questions
- What is year-on-year change in co₂ emissions in Hong Kong?
- Year-on-year change in co₂ emissions in Hong Kong was 366,864 tonnes in 2024, according to Global Carbon Budget (2025) – with major processing by Our World in Data.
- What is the highest year-on-year change in co₂ emissions recorded in Hong Kong?
- The highest recorded value was 8.43 million tonnes in 1998.
- What is the lowest year-on-year change in co₂ emissions recorded in Hong Kong?
- The lowest recorded value was -8.38 million tonnes in 2020.
- How does Hong Kong rank for year-on-year change in co₂ emissions?
- Hong Kong ranks 56th out of 215 regions with data for 2024.
- Is year-on-year change in co₂ emissions rising or falling in Hong Kong?
- Over the last ten years it is down 68.9%. The long-run trend across the full record is volatile.
- Where does this Hong Kong data come from?
- The figures come from Global Carbon Budget (2025) – with major processing by Our World in Data, published as part of Year-on-year change in CO₂ emissions. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 78 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Annual growth in total emissions of carbon dioxide (CO₂), excluding land-use change, measured in tonnes.