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

32 years are reported by both, from 1993 to 2024.

Where does this data come from?

Statizoid (derived), published as Nitrous oxide (N2O) emissions from Fugitive Emissions (Energy) (Mt CO2e), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Estonia vs Hong Kong: Nitrous oxide (N2O) emissions from Fugitive Emissions (Energy) (Mt)

Estonia

0 Mt CO2e per US$ of GDP

in 2024

Hong Kong

0 Mt CO2e per US$ of GDP

in 2024

Estonia rank

151st

Hong Kong rank

151st

Nitrous oxide (N2O) emissions from Fugitive Emissions (Energy) (Mt) over time

Estonia
Hong Kong

How they compare

Estonia currently reports 0 Mt CO2e per US$ of GDP against 0 Mt CO2e per US$ of GDP in Hong Kong, a difference of 0 Mt CO2e per US$ of GDP.

The two have swapped places 12 times across 32 shared years of data; in 1993 it was Hong Kong ahead.

Estonia ranks 151st and Hong Kong ranks 151st of 185 countries.

Estonia has averaged higher in every one of the 4 decades both report.

Head to head by decade

Decade	Estonia	Hong Kong	Difference	Ahead
1990s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Estonia
2000s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Estonia
2010s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Estonia
2020s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	—

Averages of every year both report within each decade.

Frequently asked questions

Which has higher nitrous oxide (n2o) emissions from fugitive emissions (energy) (mt), Estonia or Hong Kong?: Estonia, at 0 Mt CO2e per US$ of GDP against 0 Mt CO2e per US$ of GDP in Hong Kong as of 2024.
What is the difference in nitrous oxide (n2o) emissions from fugitive emissions (energy) (mt) between Estonia and Hong Kong?: 0 Mt CO2e per US$ of GDP, with Estonia ahead.
How many years of comparable data are there for Estonia and Hong Kong?: 32 years are reported by both, from 1993 to 2024.
How do Estonia and Hong Kong rank globally for nitrous oxide (n2o) emissions from fugitive emissions (energy) (mt)?: Estonia ranks 151st and Hong Kong ranks 151st of 185 countries.
Where does this data come from?: Statizoid (derived), published as Nitrous oxide (N2O) emissions from Fugitive Emissions (Energy) (Mt CO2e), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

Share, cite or embed this page

Cite this page

Estonia vs Hong Kong: Nitrous oxide (N2O) emissions from Fugitive Emissions (Energy) (Mt). Statizoid, drawing on Statizoid (derived). Retrieved 19 September 2026, from https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-from-fugitive-emissions-energy-mt-co2e-per-unit-of-gdp/estonia/hong-kong-sar-china/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under Derived by Statizoid from the sources named on the page; please keep the attribution.

<a href="https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-from-fugitive-emissions-energy-mt-co2e-per-unit-of-gdp/estonia/hong-kong-sar-china/">Estonia vs Hong Kong: Nitrous oxide (N2O) emissions from Fugitive Emissions (Energy) (Mt)</a> — Statizoid

About this data

Indicator: Nitrous oxide (N2O) emissions from Fugitive Emissions (Energy) (Mt CO2e), per unit of GDP
Unit: Mt CO2e per US$ of GDP
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 232 places, 11,824 data points, 1970–2024
Last refreshed: 19 September 2026

Nitrous oxide (N2O) emissions from Fugitive Emissions (Energy) (Mt CO2e) divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.