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

54 years are reported by both, from 1970 to 2023.

Where does this data come from?

Statizoid (derived), published as Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Greenland vs Hong Kong: Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per unit

Greenland

0 Mt CO2e per US$ of GDP

in 2023

Hong Kong

0 Mt CO2e per US$ of GDP

in 2024

Greenland rank

174th

Hong Kong rank

173rd

Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per unit over time

Greenland
Hong Kong

How they compare

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

The two have swapped places 3 times across 54 shared years of data; in 1970 it was Hong Kong ahead.

Greenland ranks 174th and Hong Kong ranks 173rd of 191 countries.

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

Head to head by decade

Decade	Greenland	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	Hong Kong
2000s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Hong Kong
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	Greenland

Averages of every year both report within each decade.

Frequently asked questions

Which has higher methane (ch4) emissions from transport (energy) (mt co2e), per unit, Greenland or Hong Kong?: Hong Kong, at 0 Mt CO2e per US$ of GDP against 0 Mt CO2e per US$ of GDP in Greenland as of 2024.
What is the difference in methane (ch4) emissions from transport (energy) (mt co2e), per unit between Greenland and Hong Kong?: 0 Mt CO2e per US$ of GDP, with Hong Kong ahead.
How many years of comparable data are there for Greenland and Hong Kong?: 54 years are reported by both, from 1970 to 2023.
How do Greenland and Hong Kong rank globally for methane (ch4) emissions from transport (energy) (mt co2e), per unit?: Greenland ranks 174th and Hong Kong ranks 173rd of 191 countries.
Where does this data come from?: Statizoid (derived), published as Methane (CH4) emissions from Transport (Energy) (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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Greenland vs Hong Kong: Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per unit. Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://environment.statizoid.com/compare/methane-ch4-emissions-from-transport-energy-mt-co2e-per-unit-of-gdp/greenland/hong-kong-sar-china/

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<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-from-transport-energy-mt-co2e-per-unit-of-gdp/greenland/hong-kong-sar-china/">Greenland vs Hong Kong: Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per unit</a> — Statizoid

About this data

Indicator: Methane (CH4) emissions from Transport (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: 238 places, 12,139 data points, 1970–2024
Last refreshed: 21 September 2026

Methane (CH4) emissions from Transport (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.