How many years of comparable data are there for Belgium and Hong Kong?

24 years are reported by both, from 2000 to 2023.

Where does this data come from?

Statizoid (derived), published as Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Belgium vs Hong Kong: Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e), per

Belgium

0.0002 Mt CO2e per square kilometre

in 2023

Hong Kong

0.0005 Mt CO2e per square kilometre

in 2023

Belgium rank

6th

Hong Kong rank

4th

Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e), per over time

Belgium
Hong Kong

How they compare

Hong Kong currently reports 0.0005 Mt CO2e per square kilometre against 0.0002 Mt CO2e per square kilometre in Belgium, a difference of 0.0003 Mt CO2e per square kilometre.

That makes Hong Kong's figure about 2.0 times Belgium's.

Across all 24 years both countries report, Hong Kong has been ahead every year.

Belgium ranks 6th and Hong Kong ranks 4th of 203 countries.

Hong Kong has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade	Belgium	Hong Kong	Difference	Ahead
2000s	0.0003 Mt CO2e per square kilometre	0.0005 Mt CO2e per square kilometre	0.0003 Mt CO2e per square kilometre	Hong Kong
2010s	0.0003 Mt CO2e per square kilometre	0.0005 Mt CO2e per square kilometre	0.0003 Mt CO2e per square kilometre	Hong Kong
2020s	0.0003 Mt CO2e per square kilometre	0.0005 Mt CO2e per square kilometre	0.0002 Mt CO2e per square kilometre	Hong Kong

Averages of every year both report within each decade.

Frequently asked questions

Which has higher nitrous oxide (n2o) emissions (total) excluding lulucf (mt co2e), per, Belgium or Hong Kong?: Hong Kong, at 0.0005 Mt CO2e per square kilometre against 0.0002 Mt CO2e per square kilometre in Belgium as of 2023.
What is the difference in nitrous oxide (n2o) emissions (total) excluding lulucf (mt co2e), per between Belgium and Hong Kong?: 0.0003 Mt CO2e per square kilometre, with Hong Kong ahead.
How many years of comparable data are there for Belgium and Hong Kong?: 24 years are reported by both, from 2000 to 2023.
How do Belgium and Hong Kong rank globally for nitrous oxide (n2o) emissions (total) excluding lulucf (mt co2e), per?: Belgium ranks 6th and Hong Kong ranks 4th of 203 countries.
Where does this data come from?: Statizoid (derived), published as Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Belgium vs Hong Kong: Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e), per. Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-total-excluding-lulucf-mt-co2e-per-square-kilometre/belgium/hong-kong-sar-china/

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About this data

Indicator: Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e), per square kilometre
Unit: Mt CO2e per square kilometre
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 250 places, 12,804 data points, 1970–2023
Last refreshed: 19 September 2026

Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e) divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.