How does Hong Kong SAR, China rank globally on Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e)?

In 2024, Hong Kong SAR, China ranked #56 out of 194 countries reporting Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e).

Hong Kong SAR, China: Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e)

Name: Hong Kong SAR, China: Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e)
Creator: World Bank
License: https://datacatalog.worldbank.org/public-licenses#cc-by

In 2024, Hong Kong SAR, China's Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e) was 0.16.

That's up 13.5% from 2023, the highest value since 2021.

The global average for this indicator in 2024 was 0.52 . Hong Kong SAR, China ranks #56 globally out of 194 reporting countries. Within East Asia & Pacific, it ranks #12 of 30.

Source: World Bank Open Data (EN.GHG.N2O.TR.MT.CE.AR5) • Data as of 2024

Trend (2005–2024)

Highlights

Peak: 0.18; 2020
Trough: 0.07; 2005
1-year change: +13.5%
5-year change: +18.9%; +3.5% / yr
10-year change: +94.3%; +6.9% / yr

Historical Data — Last 10 Years

Year	Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e)
2024	0.1578
2023	0.1390
2022	0.1121
2021	0.1585
2020	0.1790
2019	0.1327
2018	0.1284
2017	0.1288
2016	0.1056
2015	0.0888

About Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e)

A measure of annual emissions of nitrous oxide (N2O), one of the six Kyoto greenhouse gases (GHG), from the transportation sector (subsector of the energy sector) including IPCC 2006 codes 1.A.3.a Civil Aviation, 1.A.3.b_noRES Road Transportation no resuspension, 1.A.3.c Railways, 1.A.3.d Water-borne Navigation, 1.A.3.e Other Transportation. The measure is standardized to carbon dioxide equivalent values using the Global Warming Potential (GWP) factors of IPCC's 5th Assessment Report (AR5).

Indicator code: EN.GHG.N2O.TR.MT.CE.AR5 • Category: Environment

Frequently asked questions

What was Hong Kong SAR, China's Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e) in 2024?: In 2024, Hong Kong SAR, China's Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e) was 0.16, according to World Bank Open Data.
Is Hong Kong SAR, China's Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e) rising or falling?: Hong Kong SAR, China's Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e) rose 13.5% from 2023 to 2024.
How does Hong Kong SAR, China rank globally on Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e)?: In 2024, Hong Kong SAR, China ranked #56 out of 194 countries reporting Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e).
How does Hong Kong SAR, China's Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e) compare to the world average?: The global average for Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e) in 2024 was 0.52, so Hong Kong SAR, China is below the world average. Within East Asia & Pacific, it ranks #12 of 30.
What is Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e) and how is it measured?: A measure of annual emissions of nitrous oxide (N2O), one of the six Kyoto greenhouse gases (GHG), from the transportation sector (subsector of the energy sector) including IPCC 2006 codes 1.A.3.a Civil Aviation, 1.A.3.b_noRES Road Transportation no resuspension, 1.A.3.c Railways, 1.A.3.d Water-borne Navigation, 1.A.3.e Other Transportation. The measure is standardized to carbon dioxide equivalent values using the Global Warming Potential (GWP) factors of IPCC's 5th Assessment Report (AR5).

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Source: World Bank Open Data (EN.GHG.N2O.TR.MT.CE.AR5), CC BY 4.0.