How many years of comparable data are there for Armenia 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 from Industrial Combustion (Energy) (Mt CO2e), per capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Armenia vs Hong Kong: Nitrous oxide (N2O) emissions from Industrial Combustion (Energy) (Mt)

Armenia

0 Mt CO2e per person

in 2024

Hong Kong

0 Mt CO2e per person

in 2024

Armenia rank

172nd

Hong Kong rank

171st

Nitrous oxide (N2O) emissions from Industrial Combustion (Energy) (Mt) over time

Armenia
Hong Kong

How they compare

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

The two have swapped places 7 times across 55 shared years of data; in 1970 it was Armenia ahead.

Armenia ranks 172nd and Hong Kong ranks 171st of 193 countries.

Across the 6 decades both report, Armenia averaged higher in 2 and Hong Kong in 4.

Head to head by decade

Decade	Armenia	Hong Kong	Difference	Ahead
1970s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Armenia
1980s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Armenia
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	Hong Kong

Averages of every year both report within each decade.

Frequently asked questions

Which has higher nitrous oxide (n2o) emissions from industrial combustion (energy) (mt), Armenia or Hong Kong?: Hong Kong, at 0 Mt CO2e per person against 0 Mt CO2e per person in Armenia as of 2024.
What is the difference in nitrous oxide (n2o) emissions from industrial combustion (energy) (mt) between Armenia and Hong Kong?: 0 Mt CO2e per person, with Hong Kong ahead.
How many years of comparable data are there for Armenia and Hong Kong?: 55 years are reported by both, from 1970 to 2024.
How do Armenia and Hong Kong rank globally for nitrous oxide (n2o) emissions from industrial combustion (energy) (mt)?: Armenia ranks 172nd and Hong Kong ranks 171st of 193 countries.
Where does this data come from?: Statizoid (derived), published as Nitrous oxide (N2O) emissions from Industrial Combustion (Energy) (Mt CO2e), per capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Armenia vs Hong Kong: Nitrous oxide (N2O) emissions from Industrial Combustion (Energy) (Mt). Statizoid, drawing on Statizoid (derived). Retrieved 19 September 2026, from https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-from-industrial-combustion-energy-mt-co2e-per-capita/armenia/hong-kong-sar-china/

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<a href="https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-from-industrial-combustion-energy-mt-co2e-per-capita/armenia/hong-kong-sar-china/">Armenia vs Hong Kong: Nitrous oxide (N2O) emissions from Industrial Combustion (Energy) (Mt)</a> — Statizoid

About this data

Indicator: Nitrous oxide (N2O) emissions from Industrial Combustion (Energy) (Mt CO2e), per capita
Unit: Mt CO2e per person
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 240 places, 13,200 data points, 1970–2024
Last refreshed: 19 September 2026

Nitrous oxide (N2O) emissions from Industrial Combustion (Energy) (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.