Gibraltar vs Hong Kong: Methane (CH4) emissions from Waste (Mt CO2e), per square kilometre

Gibraltar
0.0014 Mt CO2e per square kilometre
in 2023
Hong Kong
0.0045 Mt CO2e per square kilometre
in 2023
Gibraltar rank
3rd
Hong Kong rank
2nd

Methane (CH4) emissions from Waste (Mt CO2e), per square kilometre over time

  • Gibraltar
  • Hong Kong
0.0010.0020.0030.0040.005197019962023

How they compare

Hong Kong currently reports 0.0045 Mt CO2e per square kilometre against 0.0014 Mt CO2e per square kilometre in Gibraltar, a difference of 0.0031 Mt CO2e per square kilometre.

That makes Hong Kong's figure about 3.1 times Gibraltar's.

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

Gibraltar ranks 3rd and Hong Kong ranks 2nd of 203 countries.

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

Head to head by decade

Decade Gibraltar Hong Kong Difference Ahead
1970s 0.0012 Mt CO2e per square kilometre 0.002 Mt CO2e per square kilometre 0.0008 Mt CO2e per square kilometre Hong Kong
1980s 0.0011 Mt CO2e per square kilometre 0.0027 Mt CO2e per square kilometre 0.0016 Mt CO2e per square kilometre Hong Kong
1990s 0.0011 Mt CO2e per square kilometre 0.0034 Mt CO2e per square kilometre 0.0023 Mt CO2e per square kilometre Hong Kong
2000s 0.0012 Mt CO2e per square kilometre 0.0037 Mt CO2e per square kilometre 0.0025 Mt CO2e per square kilometre Hong Kong
2010s 0.0013 Mt CO2e per square kilometre 0.0041 Mt CO2e per square kilometre 0.0028 Mt CO2e per square kilometre Hong Kong
2020s 0.0014 Mt CO2e per square kilometre 0.0044 Mt CO2e per square kilometre 0.003 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 waste (mt co2e), per square kilometre, Gibraltar or Hong Kong?
Hong Kong, at 0.0045 Mt CO2e per square kilometre against 0.0014 Mt CO2e per square kilometre in Gibraltar as of 2023.
What is the difference in methane (ch4) emissions from waste (mt co2e), per square kilometre between Gibraltar and Hong Kong?
0.0031 Mt CO2e per square kilometre, with Hong Kong ahead.
How many years of comparable data are there for Gibraltar and Hong Kong?
54 years are reported by both, from 1970 to 2023.
How do Gibraltar and Hong Kong rank globally for methane (ch4) emissions from waste (mt co2e), per square kilometre?
Gibraltar ranks 3rd and Hong Kong ranks 2nd of 203 countries.
Where does this data come from?
Statizoid (derived), published as Methane (CH4) emissions from Waste (Mt CO2e), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Gibraltar vs Hong Kong: Methane (CH4) emissions from Waste (Mt CO2e), per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 22 September 2026, from https://environment.statizoid.com/compare/methane-ch4-emissions-from-waste-mt-co2e-per-square-kilometre/gibraltar/hong-kong-sar-china/

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<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-from-waste-mt-co2e-per-square-kilometre/gibraltar/hong-kong-sar-china/">Gibraltar vs Hong Kong: Methane (CH4) emissions from Waste (Mt CO2e), per square kilometre</a> — Statizoid

About this data

Indicator
Methane (CH4) emissions from Waste (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
250 places, 12,804 data points, 1970–2023
Last refreshed

Methane (CH4) emissions from Waste (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.