How many years of comparable data are there for Hong Kong and Macao?

64 years are reported by both, from 1961 to 2024.

Where does this data come from?

Statizoid (derived), published as Contribution to temp rise by gas, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Hong Kong vs Macao: Contribution to temp rise by gas, per square kilometre

Hong Kong

0 units per square kilometre

in 2024

Macao

0 units per square kilometre

in 2024

Hong Kong rank

3rd

Macao rank

2nd

Contribution to temp rise by gas, per square kilometre over time

Hong Kong
Macao

How they compare

Macao currently reports 0 units per square kilometre against 0 units per square kilometre in Hong Kong, a difference of 0 units per square kilometre.

That makes Macao's figure about 1.6 times Hong Kong's.

The two have swapped places 1 time across 64 shared years of data; in 1961 it was Hong Kong ahead.

Hong Kong ranks 3rd and Macao ranks 2nd of 196 countries.

Across the 7 decades both report, Hong Kong averaged higher in 3 and Macao in 4.

Head to head by decade

Decade	Hong Kong	Macao	Difference	Ahead
1960s	0 units per square kilometre	0 units per square kilometre	0 units per square kilometre	Hong Kong
1970s	0 units per square kilometre	0 units per square kilometre	0 units per square kilometre	Hong Kong
1980s	0 units per square kilometre	0 units per square kilometre	0 units per square kilometre	Hong Kong
1990s	0 units per square kilometre	0 units per square kilometre	0 units per square kilometre	Macao
2000s	0 units per square kilometre	0 units per square kilometre	0 units per square kilometre	Macao
2010s	0 units per square kilometre	0 units per square kilometre	0 units per square kilometre	Macao
2020s	0 units per square kilometre	0 units per square kilometre	0 units per square kilometre	Macao

Averages of every year both report within each decade.

Frequently asked questions

Which has higher contribution to temp rise by gas, per square kilometre, Hong Kong or Macao?: Macao, at 0 units per square kilometre against 0 units per square kilometre in Hong Kong as of 2024.
What is the difference in contribution to temp rise by gas, per square kilometre between Hong Kong and Macao?: 0 units per square kilometre, with Macao ahead.
How many years of comparable data are there for Hong Kong and Macao?: 64 years are reported by both, from 1961 to 2024.
How do Hong Kong and Macao rank globally for contribution to temp rise by gas, per square kilometre?: Hong Kong ranks 3rd and Macao ranks 2nd of 196 countries.
Where does this data come from?: Statizoid (derived), published as Contribution to temp rise by gas, 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: Contribution to temp rise by gas, per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 07 November 2026, from https://reference.statizoid.com/compare/contribution-to-temp-rise-by-gas-per-square-kilometre/hong-kong-sar-china/macao-sar-china/

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Paste this into a page to link back to these figures. The data itself is free to reuse under Derived by Statizoid from the sources named on the page; please keep the attribution.

<a href="https://reference.statizoid.com/compare/contribution-to-temp-rise-by-gas-per-square-kilometre/hong-kong-sar-china/macao-sar-china/">Hong Kong vs Macao: Contribution to temp rise by gas, per square kilometre</a> — Statizoid

About this data

Indicator: Contribution to temp rise by gas, per square kilometre
Unit: units per square kilometre
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 196 places, 11,466 data points, 1961–2024
Last refreshed: 27 October 2026

Contribution to temp rise by gas 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.