How many years of comparable data are there for Austria 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 Waste (Mt CO2e), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Austria vs Hong Kong: Nitrous oxide (N2O) emissions from Waste (Mt CO2e), per unit of GDP

Austria

0 Mt CO2e per US$ of GDP

in 2024

Hong Kong

0 Mt CO2e per US$ of GDP

in 2024

Austria rank

175th

Hong Kong rank

178th

Nitrous oxide (N2O) emissions from Waste (Mt CO2e), per unit of GDP over time

Austria
Hong Kong

How they compare

Austria 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.

That makes Austria's figure about 1.1 times Hong Kong's.

The two have swapped places 3 times across 55 shared years of data; in 1970 it was Hong Kong ahead.

Austria ranks 175th and Hong Kong ranks 178th of 200 countries.

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

Head to head by decade

Decade	Austria	Hong Kong	Difference	Ahead
1970s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Hong Kong
1980s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Hong Kong
1990s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Austria
2000s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Austria
2010s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Hong Kong
2020s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Austria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher nitrous oxide (n2o) emissions from waste (mt co2e), per unit of gdp, Austria or Hong Kong?: Austria, 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 waste (mt co2e), per unit of gdp between Austria and Hong Kong?: 0 Mt CO2e per US$ of GDP, with Austria ahead.
How many years of comparable data are there for Austria and Hong Kong?: 55 years are reported by both, from 1970 to 2024.
How do Austria and Hong Kong rank globally for nitrous oxide (n2o) emissions from waste (mt co2e), per unit of gdp?: Austria ranks 175th and Hong Kong ranks 178th of 200 countries.
Where does this data come from?: Statizoid (derived), published as Nitrous oxide (N2O) emissions from Waste (Mt CO2e), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Austria vs Hong Kong: Nitrous oxide (N2O) emissions from Waste (Mt CO2e), per unit of GDP. Statizoid, drawing on Statizoid (derived). Retrieved 18 September 2026, from https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-from-waste-mt-co2e-per-unit-of-gdp/austria/hong-kong-sar-china/

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<a href="https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-from-waste-mt-co2e-per-unit-of-gdp/austria/hong-kong-sar-china/">Austria vs Hong Kong: Nitrous oxide (N2O) emissions from Waste (Mt CO2e), per unit of GDP</a> — Statizoid

About this data

Indicator: Nitrous oxide (N2O) emissions from Waste (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: 247 places, 12,498 data points, 1970–2024
Last refreshed: 18 September 2026

Nitrous oxide (N2O) emissions from Waste (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.