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

Croatia vs Hong Kong: Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e), per

Croatia

0 Mt CO2e per person

in 2024

Hong Kong

0 Mt CO2e per person

in 2024

Croatia rank

27th

Hong Kong rank

30th

Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e), per over time

Croatia
Hong Kong

How they compare

Croatia 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 6 times across 55 shared years of data; in 1970 it was Croatia ahead.

Croatia ranks 27th and Hong Kong ranks 30th of 194 countries.

Across the 6 decades both report, Croatia averaged higher in 1 and Hong Kong in 5.

Head to head by decade

Decade	Croatia	Hong Kong	Difference	Ahead
1970s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Croatia
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	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 transport (energy) (mt co2e), per, Croatia or Hong Kong?: Croatia, 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 transport (energy) (mt co2e), per between Croatia and Hong Kong?: 0 Mt CO2e per person, with Croatia ahead.
How many years of comparable data are there for Croatia and Hong Kong?: 55 years are reported by both, from 1970 to 2024.
How do Croatia and Hong Kong rank globally for nitrous oxide (n2o) emissions from transport (energy) (mt co2e), per?: Croatia ranks 27th and Hong Kong ranks 30th of 194 countries.
Where does this data come from?: Statizoid (derived), published as Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e), per capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Croatia vs Hong Kong: Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e), per. Statizoid, drawing on Statizoid (derived). Retrieved 18 September 2026, from https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-from-transport-energy-mt-co2e-per-capita/croatia/hong-kong-sar-china/

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<a href="https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-from-transport-energy-mt-co2e-per-capita/croatia/hong-kong-sar-china/">Croatia vs Hong Kong: Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e), per</a> — Statizoid

About this data

Indicator: Nitrous oxide (N2O) emissions from Transport (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: 18 September 2026

Nitrous oxide (N2O) emissions from Transport (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.