Hong Kong vs Singapore: Carbon dioxide (CO2) emissions from Power Industry (Energy) (Mt)

Hong Kong
0.0225 Mt CO2e per square kilometre
in 2023
Singapore
0.0304 Mt CO2e per square kilometre
in 2023
Hong Kong rank
3rd
Singapore rank
2nd

Carbon dioxide (CO2) emissions from Power Industry (Energy) (Mt) over time

  • Hong Kong
  • Singapore
00.010.020.030.04197019962023

How they compare

Singapore currently reports 0.0304 Mt CO2e per square kilometre against 0.0225 Mt CO2e per square kilometre in Hong Kong, a difference of 0.0079 Mt CO2e per square kilometre.

That makes Singapore's figure about 1.4 times Hong Kong's.

The two have swapped places 3 times across 54 shared years of data; in 1970 it was Hong Kong ahead.

Hong Kong ranks 3rd and Singapore ranks 2nd of 194 countries.

Across the 6 decades both report, Hong Kong averaged higher in 3 and Singapore in 3.

Head to head by decade

Decade Hong Kong Singapore Difference Ahead
1970s 0.0058 Mt CO2e per square kilometre 0.0051 Mt CO2e per square kilometre 0.0007 Mt CO2e per square kilometre Hong Kong
1980s 0.0167 Mt CO2e per square kilometre 0.0108 Mt CO2e per square kilometre 0.006 Mt CO2e per square kilometre Hong Kong
1990s 0.0248 Mt CO2e per square kilometre 0.0286 Mt CO2e per square kilometre 0.0037 Mt CO2e per square kilometre Singapore
2000s 0.0287 Mt CO2e per square kilometre 0.0302 Mt CO2e per square kilometre 0.0015 Mt CO2e per square kilometre Singapore
2010s 0.0313 Mt CO2e per square kilometre 0.0288 Mt CO2e per square kilometre 0.0025 Mt CO2e per square kilometre Hong Kong
2020s 0.022 Mt CO2e per square kilometre 0.0298 Mt CO2e per square kilometre 0.0078 Mt CO2e per square kilometre Singapore

Averages of every year both report within each decade.

Frequently asked questions

Which has higher carbon dioxide (co2) emissions from power industry (energy) (mt), Hong Kong or Singapore?
Singapore, at 0.0304 Mt CO2e per square kilometre against 0.0225 Mt CO2e per square kilometre in Hong Kong as of 2023.
What is the difference in carbon dioxide (co2) emissions from power industry (energy) (mt) between Hong Kong and Singapore?
0.0079 Mt CO2e per square kilometre, with Singapore ahead.
How many years of comparable data are there for Hong Kong and Singapore?
54 years are reported by both, from 1970 to 2023.
How do Hong Kong and Singapore rank globally for carbon dioxide (co2) emissions from power industry (energy) (mt)?
Hong Kong ranks 3rd and Singapore ranks 2nd of 194 countries.
Where does this data come from?
Statizoid (derived), published as Carbon dioxide (CO2) emissions from Power Industry (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 Singapore: Carbon dioxide (CO2) emissions from Power Industry (Energy) (Mt). Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://environment.statizoid.com/compare/carbon-dioxide-co2-emissions-from-power-industry-energy-mt-co2e-per-square-kilometre/hong-kong-sar-china/singapore/

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About this data

Indicator
Carbon dioxide (CO2) emissions from Power Industry (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 Power Industry (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.