Nitrous oxide emissions in Hong Kong
Hong Kong: Nitrous oxide emissions was 442,131 tonnes of CO₂ equivalents in 2024. ◆ Volatile
Latest (2024)
442,131 tonnes of CO₂ equivalents
Change on year
down 12.4%
Rank
152nd
of 201 regions
All-time high
997,681 tonnes of CO₂ equivalents
in 1999
All-time low
29,385 tonnes of CO₂ equivalents
in 1850
Years of data
175
1850–2024
Nitrous oxide emissions in Hong Kong, 1850–2024
Source: Jones et al. (2025) – with major processing by Our World in Data. Measured in tonnes of CO₂ equivalents.
Analysis
The most recent figure for nitrous oxide emissions in Hong Kong is 442,131 tonnes of CO₂ equivalents, measured in 2024.
That represents a change of down 12.4% on the previous year and down 23.0% over ten years.
Over the whole period, nitrous oxide emissions in Hong Kong peaked at 997,681 tonnes of CO₂ equivalents in 1999 and was at its lowest, 29,385 tonnes of CO₂ equivalents, in 1850.
Hong Kong ranks 152nd of 201 regions on this measure, in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1850s | 31,055 tonnes of CO₂ equivalents | 29,385 tonnes of CO₂ equivalents | 32,524 tonnes of CO₂ equivalents | 10 |
| 1860s | 33,698 tonnes of CO₂ equivalents | 32,759 tonnes of CO₂ equivalents | 34,630 tonnes of CO₂ equivalents | 10 |
| 1870s | 38,628 tonnes of CO₂ equivalents | 34,847 tonnes of CO₂ equivalents | 43,060 tonnes of CO₂ equivalents | 10 |
| 1880s | 45,213 tonnes of CO₂ equivalents | 43,635 tonnes of CO₂ equivalents | 46,667 tonnes of CO₂ equivalents | 10 |
| 1890s | 49,190 tonnes of CO₂ equivalents | 47,231 tonnes of CO₂ equivalents | 51,278 tonnes of CO₂ equivalents | 10 |
| 1900s | 54,717 tonnes of CO₂ equivalents | 51,798 tonnes of CO₂ equivalents | 57,890 tonnes of CO₂ equivalents | 10 |
| 1910s | 61,934 tonnes of CO₂ equivalents | 58,605 tonnes of CO₂ equivalents | 65,350 tonnes of CO₂ equivalents | 10 |
| 1920s | 69,671 tonnes of CO₂ equivalents | 66,121 tonnes of CO₂ equivalents | 73,252 tonnes of CO₂ equivalents | 10 |
| 1930s | 77,491 tonnes of CO₂ equivalents | 74,042 tonnes of CO₂ equivalents | 81,274 tonnes of CO₂ equivalents | 10 |
| 1940s | 100,900 tonnes of CO₂ equivalents | 82,366 tonnes of CO₂ equivalents | 123,500 tonnes of CO₂ equivalents | 10 |
| 1950s | 139,637 tonnes of CO₂ equivalents | 127,186 tonnes of CO₂ equivalents | 152,216 tonnes of CO₂ equivalents | 10 |
| 1960s | 176,762 tonnes of CO₂ equivalents | 155,588 tonnes of CO₂ equivalents | 205,659 tonnes of CO₂ equivalents | 10 |
| 1970s | 282,841 tonnes of CO₂ equivalents | 256,322 tonnes of CO₂ equivalents | 349,477 tonnes of CO₂ equivalents | 10 |
| 1980s | 442,606 tonnes of CO₂ equivalents | 343,040 tonnes of CO₂ equivalents | 529,196 tonnes of CO₂ equivalents | 10 |
| 1990s | 736,181 tonnes of CO₂ equivalents | 550,663 tonnes of CO₂ equivalents | 997,681 tonnes of CO₂ equivalents | 10 |
| 2000s | 589,995 tonnes of CO₂ equivalents | 509,966 tonnes of CO₂ equivalents | 755,627 tonnes of CO₂ equivalents | 10 |
| 2010s | 586,780 tonnes of CO₂ equivalents | 562,268 tonnes of CO₂ equivalents | 614,852 tonnes of CO₂ equivalents | 10 |
| 2020s | 494,263 tonnes of CO₂ equivalents | 442,131 tonnes of CO₂ equivalents | 537,507 tonnes of CO₂ equivalents | 5 |
Countries ranked near Hong Kong
- 149 Eswatini 502,823 tonnes of CO₂ equivalents compare
- 150 Lesotho 491,658 tonnes of CO₂ equivalents compare
- 151 North Macedonia 457,582 tonnes of CO₂ equivalents compare
- 153 Cyprus 360,982 tonnes of CO₂ equivalents compare
- 154 Jamaica 357,071 tonnes of CO₂ equivalents compare
- 155 Iceland 346,459 tonnes of CO₂ equivalents compare
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 nitrous oxide emissions in Hong Kong?
- Nitrous oxide emissions in Hong Kong was 442,131 tonnes of CO₂ equivalents in 2024, according to Jones et al. (2025) – with major processing by Our World in Data.
- What is the highest nitrous oxide emissions recorded in Hong Kong?
- The highest recorded value was 997,681 tonnes of CO₂ equivalents in 1999.
- What is the lowest nitrous oxide emissions recorded in Hong Kong?
- The lowest recorded value was 29,385 tonnes of CO₂ equivalents in 1850.
- How does Hong Kong rank for nitrous oxide emissions?
- Hong Kong ranks 152nd out of 201 regions with data for 2024.
- Is nitrous oxide emissions rising or falling in Hong Kong?
- Over the last ten years it is down 23.0%. The long-run trend across the full record is volatile.
- Where does this Hong Kong data come from?
- The figures come from Jones et al. (2025) – with major processing by Our World in Data, published as part of Nitrous oxide emissions. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 175 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Measured in tonnes of carbon dioxide-equivalents over a 100-year timescale.