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

Hong Kong
0.0016 Mt CO2e per square kilometre
in 2023
Macao
0.0063 Mt CO2e per square kilometre
in 2023
Hong Kong rank
2nd
Macao rank
1st

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

  • Hong Kong
  • Macao
00.0050.010.015197019962023

How they compare

Macao currently reports 0.0063 Mt CO2e per square kilometre against 0.0016 Mt CO2e per square kilometre in Hong Kong, a difference of 0.0047 Mt CO2e per square kilometre.

That makes Macao's figure about 4.0 times Hong Kong's.

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

Hong Kong ranks 2nd and Macao ranks 1st of 193 countries.

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

Head to head by decade

Decade Hong Kong Macao Difference Ahead
1970s 0.001 Mt CO2e per square kilometre 0.0075 Mt CO2e per square kilometre 0.0066 Mt CO2e per square kilometre Macao
1980s 0.0009 Mt CO2e per square kilometre 0.0076 Mt CO2e per square kilometre 0.0067 Mt CO2e per square kilometre Macao
1990s 0.0015 Mt CO2e per square kilometre 0.0063 Mt CO2e per square kilometre 0.0048 Mt CO2e per square kilometre Macao
2000s 0.0019 Mt CO2e per square kilometre 0.0044 Mt CO2e per square kilometre 0.0025 Mt CO2e per square kilometre Macao
2010s 0.0015 Mt CO2e per square kilometre 0.0079 Mt CO2e per square kilometre 0.0063 Mt CO2e per square kilometre Macao
2020s 0.0015 Mt CO2e per square kilometre 0.0067 Mt CO2e per square kilometre 0.0052 Mt CO2e per square kilometre Macao

Averages of every year both report within each decade.

Frequently asked questions

Which has higher carbon dioxide (co2) emissions from building (energy) (mt co2e), per, Hong Kong or Macao?
Macao, at 0.0063 Mt CO2e per square kilometre against 0.0016 Mt CO2e per square kilometre in Hong Kong as of 2023.
What is the difference in carbon dioxide (co2) emissions from building (energy) (mt co2e), per between Hong Kong and Macao?
0.0047 Mt CO2e per square kilometre, with Macao ahead.
How many years of comparable data are there for Hong Kong and Macao?
54 years are reported by both, from 1970 to 2023.
How do Hong Kong and Macao rank globally for carbon dioxide (co2) emissions from building (energy) (mt co2e), per?
Hong Kong ranks 2nd and Macao ranks 1st of 193 countries.
Where does this data come from?
Statizoid (derived), published as Carbon dioxide (CO2) emissions from Building (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 Macao: Carbon dioxide (CO2) emissions from Building (Energy) (Mt CO2e), per. Statizoid, drawing on Statizoid (derived). Retrieved 23 September 2026, from https://environment.statizoid.com/compare/carbon-dioxide-co2-emissions-from-building-energy-mt-co2e-per-square-kilometre/hong-kong-sar-china/macao-sar-china/

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About this data

Indicator
Carbon dioxide (CO2) emissions from Building (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

Carbon dioxide (CO2) emissions from Building (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.