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

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

Where does this data come from?

Statizoid (derived), published as Methane (CH4) emissions from Industrial Combustion (Energy) (Mt CO2e), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Hong Kong vs OECD members: Methane (CH4) emissions from Industrial Combustion (Energy) (Mt)

Hong Kong

0 Mt CO2e per square kilometre

in 2023

OECD members

0 Mt CO2e per square kilometre

in 2023

Hong Kong rank

25th

OECD members rank

22nd

Methane (CH4) emissions from Industrial Combustion (Energy) (Mt) over time

Hong Kong
OECD members

How they compare

Hong Kong currently reports 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in OECD members, a difference of 0 Mt CO2e per square kilometre.

That makes Hong Kong's figure about 4.0 times OECD members's.

Across all 54 years both countries report, Hong Kong has been ahead every year.

Hong Kong ranks 25th and OECD members ranks 22nd of 193 countries.

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

Head to head by decade

Decade	Hong Kong	OECD members	Difference	Ahead
1970s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Hong Kong
1980s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Hong Kong
1990s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Hong Kong
2000s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Hong Kong
2010s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Hong Kong
2020s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Hong Kong

Averages of every year both report within each decade.

Frequently asked questions

Which has higher methane (ch4) emissions from industrial combustion (energy) (mt), Hong Kong or OECD members?: Hong Kong, at 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in OECD members as of 2023.
What is the difference in methane (ch4) emissions from industrial combustion (energy) (mt) between Hong Kong and OECD members?: 0 Mt CO2e per square kilometre, with Hong Kong ahead.
How many years of comparable data are there for Hong Kong and OECD members?: 54 years are reported by both, from 1970 to 2023.
How do Hong Kong and OECD members rank globally for methane (ch4) emissions from industrial combustion (energy) (mt)?: Hong Kong ranks 25th and OECD members ranks 22nd of 193 countries.
Where does this data come from?: Statizoid (derived), published as Methane (CH4) emissions from Industrial Combustion (Energy) (Mt CO2e), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Hong Kong vs OECD members: Methane (CH4) emissions from Industrial Combustion (Energy) (Mt). Statizoid, drawing on Statizoid (derived). Retrieved 22 September 2026, from https://environment.statizoid.com/compare/methane-ch4-emissions-from-industrial-combustion-energy-mt-co2e-per-square-kilometre/hong-kong-sar-china/oecd-members/

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<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-from-industrial-combustion-energy-mt-co2e-per-square-kilometre/hong-kong-sar-china/oecd-members/">Hong Kong vs OECD members: Methane (CH4) emissions from Industrial Combustion (Energy) (Mt)</a> — Statizoid

About this data

Indicator: Methane (CH4) emissions from Industrial Combustion (Energy) (Mt CO2e), per square kilometre
Unit: Mt CO2e per square kilometre
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 240 places, 12,327 data points, 1970–2023
Last refreshed: 22 September 2026

Methane (CH4) emissions from Industrial Combustion (Energy) (Mt CO2e) divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.