Gibraltar vs Hong Kong: Carbon dioxide (CO2) emissions from Transport (Energy) (Mt CO2e), per

Gibraltar
0.0522 Mt CO2e per square kilometre
in 2023
Hong Kong
0.0071 Mt CO2e per square kilometre
in 2023
Gibraltar rank
1st
Hong Kong rank
4th

Carbon dioxide (CO2) emissions from Transport (Energy) (Mt CO2e), per over time

  • Gibraltar
  • Hong Kong
00.020.040.06197019962023

How they compare

Gibraltar currently reports 0.0522 Mt CO2e per square kilometre against 0.0071 Mt CO2e per square kilometre in Hong Kong, a difference of 0.0451 Mt CO2e per square kilometre.

That makes Gibraltar's figure about 7.4 times Hong Kong's.

The two have swapped places 2 times across 54 shared years of data; in 1970 it was Gibraltar ahead.

Gibraltar ranks 1st and Hong Kong ranks 4th of 194 countries.

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

Head to head by decade

Decade Gibraltar Hong Kong Difference Ahead
1970s 0.0026 Mt CO2e per square kilometre 0.0016 Mt CO2e per square kilometre 0.001 Mt CO2e per square kilometre Gibraltar
1980s 0.0053 Mt CO2e per square kilometre 0.0033 Mt CO2e per square kilometre 0.002 Mt CO2e per square kilometre Gibraltar
1990s 0.0183 Mt CO2e per square kilometre 0.0078 Mt CO2e per square kilometre 0.0105 Mt CO2e per square kilometre Gibraltar
2000s 0.0286 Mt CO2e per square kilometre 0.0069 Mt CO2e per square kilometre 0.0217 Mt CO2e per square kilometre Gibraltar
2010s 0.0421 Mt CO2e per square kilometre 0.0068 Mt CO2e per square kilometre 0.0353 Mt CO2e per square kilometre Gibraltar
2020s 0.0527 Mt CO2e per square kilometre 0.0072 Mt CO2e per square kilometre 0.0455 Mt CO2e per square kilometre Gibraltar

Averages of every year both report within each decade.

Frequently asked questions

Which has higher carbon dioxide (co2) emissions from transport (energy) (mt co2e), per, Gibraltar or Hong Kong?
Gibraltar, at 0.0522 Mt CO2e per square kilometre against 0.0071 Mt CO2e per square kilometre in Hong Kong as of 2023.
What is the difference in carbon dioxide (co2) emissions from transport (energy) (mt co2e), per between Gibraltar and Hong Kong?
0.0451 Mt CO2e per square kilometre, with Gibraltar 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 carbon dioxide (co2) emissions from transport (energy) (mt co2e), per?
Gibraltar ranks 1st and Hong Kong ranks 4th of 194 countries.
Where does this data come from?
Statizoid (derived), published as Carbon dioxide (CO2) emissions from Transport (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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Gibraltar vs Hong Kong: Carbon dioxide (CO2) emissions from Transport (Energy) (Mt CO2e), per. Statizoid, drawing on Statizoid (derived). Retrieved 22 September 2026, from https://environment.statizoid.com/compare/carbon-dioxide-co2-emissions-from-transport-energy-mt-co2e-per-square-kilometre/gibraltar/hong-kong-sar-china/

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About this data

Indicator
Carbon dioxide (CO2) emissions from Transport (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
241 places, 12,381 data points, 1970–2023
Last refreshed

Carbon dioxide (CO2) emissions from Transport (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.