Hong Kong vs Macao: Cumulative CO₂ emissions by world region, per square kilometre

Hong Kong
1.64 million tonnes per square kilometre
in 2023
Macao
1.71 million tonnes per square kilometre
in 2023
Hong Kong rank
4th
Macao rank
3rd

Cumulative CO₂ emissions by world region, per square kilometre over time

  • Hong Kong
  • Macao
0500.0k1.0M1.5M196119922023

How they compare

Macao currently reports 1.71 million tonnes per square kilometre against 1.64 million tonnes per square kilometre in Hong Kong, a difference of 76,070 tonnes per square kilometre.

The two have swapped places 1 time across 63 shared years of data; in 1961 it was Hong Kong ahead.

Hong Kong ranks 4th and Macao ranks 3rd of 204 countries.

Across the 7 decades both report, Hong Kong averaged higher in 1 and Macao in 6.

Head to head by decade

Decade Hong Kong Macao Difference Ahead
1960s 43,670 tonnes per square kilometre 39,490 tonnes per square kilometre 4,180 tonnes per square kilometre Hong Kong
1970s 123,293 tonnes per square kilometre 138,847 tonnes per square kilometre 15,554 tonnes per square kilometre Macao
1980s 302,658 tonnes per square kilometre 388,934 tonnes per square kilometre 86,276 tonnes per square kilometre Macao
1990s 575,087 tonnes per square kilometre 880,128 tonnes per square kilometre 305,041 tonnes per square kilometre Macao
2000s 921,780 tonnes per square kilometre 1.16 million tonnes per square kilometre 239,722 tonnes per square kilometre Macao
2010s 1.33 million tonnes per square kilometre 1.49 million tonnes per square kilometre 158,614 tonnes per square kilometre Macao
2020s 1.59 million tonnes per square kilometre 1.67 million tonnes per square kilometre 76,110 tonnes per square kilometre Macao

Averages of every year both report within each decade.

Frequently asked questions

Which has higher cumulative co₂ emissions by world region, per square kilometre, Hong Kong or Macao?
Macao, at 1.71 million tonnes per square kilometre against 1.64 million tonnes per square kilometre in Hong Kong as of 2023.
What is the difference in cumulative co₂ emissions by world region, per square kilometre between Hong Kong and Macao?
76,070 tonnes per square kilometre, with Macao ahead.
How many years of comparable data are there for Hong Kong and Macao?
63 years are reported by both, from 1961 to 2023.
How do Hong Kong and Macao rank globally for cumulative co₂ emissions by world region, per square kilometre?
Hong Kong ranks 4th and Macao ranks 3rd of 204 countries.
Where does this data come from?
Statizoid (derived), published as Cumulative CO₂ emissions by world region, 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: Cumulative CO₂ emissions by world region, per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://climate.statizoid.com/compare/cumulative-co2-emissions-by-world-region-per-square-kilometre/hong-kong-sar-china/macao-sar-china/

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About this data

Indicator
Cumulative CO₂ emissions by world region, per square kilometre
Unit
tonnes per square kilometre
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
204 places, 11,422 data points, 1961–2023
Last refreshed

Cumulative CO₂ emissions by world region 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.