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

55 years are reported by both, from 1970 to 2024.

Where does this data come from?

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

Hong Kong vs Malta: Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e), per

Hong Kong

0 Mt CO2e per US$ of GDP

in 2024

Malta

0 Mt CO2e per US$ of GDP

in 2024

Hong Kong rank

193rd

Malta rank

192nd

Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e), per over time

Hong Kong
Malta

How they compare

Malta 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 Malta's figure about 1.2 times Hong Kong's.

Across all 55 years both countries report, Malta has been ahead every year.

Hong Kong ranks 193rd and Malta ranks 192nd of 200 countries.

Malta has averaged higher in every one of the 6 decades both report.

Head to head by decade

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

Averages of every year both report within each decade.

Frequently asked questions

Which has higher nitrous oxide (n2o) emissions (total) excluding lulucf (mt co2e), per, Hong Kong or Malta?: Malta, 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 (total) excluding lulucf (mt co2e), per between Hong Kong and Malta?: 0 Mt CO2e per US$ of GDP, with Malta ahead.
How many years of comparable data are there for Hong Kong and Malta?: 55 years are reported by both, from 1970 to 2024.
How do Hong Kong and Malta rank globally for nitrous oxide (n2o) emissions (total) excluding lulucf (mt co2e), per?: Hong Kong ranks 193rd and Malta ranks 192nd of 200 countries.
Where does this data come from?: Statizoid (derived), published as Nitrous oxide (N2O) emissions (total) excluding LULUCF (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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Hong Kong vs Malta: Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e), per. Statizoid, drawing on Statizoid (derived). Retrieved 19 September 2026, from https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-total-excluding-lulucf-mt-co2e-per-unit-of-gdp/hong-kong-sar-china/malta/

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About this data

Indicator: Nitrous oxide (N2O) emissions (total) excluding LULUCF (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: 19 September 2026

Nitrous oxide (N2O) emissions (total) excluding LULUCF (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.