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

55 years are reported by both, from 1970 to 2024.

Where does this data come from?

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

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

Comoros

0 Mt CO2e per person

in 2024

Hong Kong

0 Mt CO2e per person

in 2024

Comoros rank

189th

Hong Kong rank

191st

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

Comoros
Hong Kong

How they compare

Comoros currently reports 0 Mt CO2e per person against 0 Mt CO2e per person in Hong Kong, a difference of 0 Mt CO2e per person.

The two have swapped places 4 times across 55 shared years of data; in 1970 it was Comoros ahead.

Comoros ranks 189th and Hong Kong ranks 191st of 203 countries.

Across the 6 decades both report, Comoros averaged higher in 3 and Hong Kong in 3.

Head to head by decade

Decade	Comoros	Hong Kong	Difference	Ahead
1970s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Comoros
1980s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Comoros
1990s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Hong Kong
2000s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Hong Kong
2010s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Hong Kong
2020s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Comoros

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, Comoros or Hong Kong?: Comoros, at 0 Mt CO2e per person against 0 Mt CO2e per person in Hong Kong as of 2024.
What is the difference in nitrous oxide (n2o) emissions (total) excluding lulucf (mt co2e), per between Comoros and Hong Kong?: 0 Mt CO2e per person, with Comoros ahead.
How many years of comparable data are there for Comoros and Hong Kong?: 55 years are reported by both, from 1970 to 2024.
How do Comoros and Hong Kong rank globally for nitrous oxide (n2o) emissions (total) excluding lulucf (mt co2e), per?: Comoros ranks 189th and Hong Kong ranks 191st of 203 countries.
Where does this data come from?: Statizoid (derived), published as Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e), per capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Comoros vs Hong Kong: Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e), per. Statizoid, drawing on Statizoid (derived). Retrieved 19 September 2026, from https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-total-excluding-lulucf-mt-co2e-per-capita/comoros/hong-kong-sar-china/

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<a href="https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-total-excluding-lulucf-mt-co2e-per-capita/comoros/hong-kong-sar-china/">Comoros vs Hong Kong: Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e), per</a> — Statizoid

About this data

Indicator: Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e), per capita
Unit: Mt CO2e per person
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 250 places, 13,750 data points, 1970–2024
Last refreshed: 19 September 2026

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