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

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 Power Industry (Energy) (Mt CO2e), per capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Hong Kong vs Ireland: Nitrous oxide (N2O) emissions from Power Industry (Energy) (Mt CO2e)

Hong Kong

0 Mt CO2e per person

in 2024

Ireland

0 Mt CO2e per person

in 2024

Hong Kong rank

47th

Ireland rank

46th

Nitrous oxide (N2O) emissions from Power Industry (Energy) (Mt CO2e) over time

Hong Kong
Ireland

How they compare

Ireland 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 2 times across 55 shared years of data; in 1970 it was Ireland ahead.

Hong Kong ranks 47th and Ireland ranks 46th of 194 countries.

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

Head to head by decade

Decade	Hong Kong	Ireland	Difference	Ahead
1970s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Ireland
1980s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Hong Kong
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	Ireland
2010s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Ireland
2020s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Ireland

Averages of every year both report within each decade.

Frequently asked questions

Which has higher nitrous oxide (n2o) emissions from power industry (energy) (mt co2e), Hong Kong or Ireland?: Ireland, 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 from power industry (energy) (mt co2e) between Hong Kong and Ireland?: 0 Mt CO2e per person, with Ireland ahead.
How many years of comparable data are there for Hong Kong and Ireland?: 55 years are reported by both, from 1970 to 2024.
How do Hong Kong and Ireland rank globally for nitrous oxide (n2o) emissions from power industry (energy) (mt co2e)?: Hong Kong ranks 47th and Ireland ranks 46th of 194 countries.
Where does this data come from?: Statizoid (derived), published as Nitrous oxide (N2O) emissions from Power Industry (Energy) (Mt CO2e), per capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Hong Kong vs Ireland: Nitrous oxide (N2O) emissions from Power Industry (Energy) (Mt CO2e). Statizoid, drawing on Statizoid (derived). Retrieved 19 September 2026, from https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-from-power-industry-energy-mt-co2e-per-capita/hong-kong-sar-china/ireland/

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<a href="https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-from-power-industry-energy-mt-co2e-per-capita/hong-kong-sar-china/ireland/">Hong Kong vs Ireland: Nitrous oxide (N2O) emissions from Power Industry (Energy) (Mt CO2e)</a> — Statizoid

About this data

Indicator: Nitrous oxide (N2O) emissions from Power Industry (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: 241 places, 13,255 data points, 1970–2024
Last refreshed: 19 September 2026

Nitrous oxide (N2O) emissions from Power Industry (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.