Hong Kong vs Singapore: Methane (CH4) emissions from Building (Energy) (Mt CO2e), annual

Hong Kong
9.09 % change on previous year
in 2024
Singapore
5.56 % change on previous year
in 2024
Hong Kong rank
4th
Singapore rank
7th

Methane (CH4) emissions from Building (Energy) (Mt CO2e), annual over time

  • Hong Kong
  • Singapore
-40-200204060197119972024

How they compare

Hong Kong currently reports 9.09 % change on previous year against 5.56 % change on previous year in Singapore, a difference of 3.53 % change on previous year.

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

The two have swapped places 33 times across 54 shared years of data; in 1971 it was Singapore ahead.

Hong Kong ranks 4th and Singapore ranks 7th of 192 countries.

Across the 6 decades both report, Hong Kong averaged higher in 2 and Singapore in 4.

Head to head by decade

Decade Hong Kong Singapore Difference Ahead
1970s -0.5146 % change on previous year 2.47 % change on previous year 2.99 % change on previous year Singapore
1980s -0.1121 % change on previous year -1.07 % change on previous year 0.9581 % change on previous year Hong Kong
1990s -0.8483 % change on previous year -6.18 % change on previous year 5.33 % change on previous year Hong Kong
2000s -1.37 % change on previous year 1.85 % change on previous year 3.22 % change on previous year Singapore
2010s -1.39 % change on previous year -0.6667 % change on previous year 0.7202 % change on previous year Singapore
2020s 4.27 % change on previous year 6.39 % change on previous year 2.12 % change on previous year Singapore

Averages of every year both report within each decade.

Frequently asked questions

Which has higher methane (ch4) emissions from building (energy) (mt co2e), annual, Hong Kong or Singapore?
Hong Kong, at 9.09 % change on previous year against 5.56 % change on previous year in Singapore as of 2024.
What is the difference in methane (ch4) emissions from building (energy) (mt co2e), annual between Hong Kong and Singapore?
3.53 % change on previous year, with Hong Kong ahead.
How many years of comparable data are there for Hong Kong and Singapore?
54 years are reported by both, from 1971 to 2024.
How do Hong Kong and Singapore rank globally for methane (ch4) emissions from building (energy) (mt co2e), annual?
Hong Kong ranks 4th and Singapore ranks 7th of 192 countries.
Where does this data come from?
Statizoid (derived), published as Methane (CH4) emissions from Building (Energy) (Mt CO2e), annual growth rate. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Hong Kong vs Singapore: Methane (CH4) emissions from Building (Energy) (Mt CO2e), annual. Statizoid, drawing on Statizoid (derived). Retrieved 22 September 2026, from https://environment.statizoid.com/compare/methane-ch4-emissions-from-building-energy-mt-co2e-annual-growth-rate/hong-kong-sar-china/singapore/

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About this data

Indicator
Methane (CH4) emissions from Building (Energy) (Mt CO2e), annual growth rate
Unit
% change on previous year
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
239 places, 12,739 data points, 1971–2024
Last refreshed

The year-on-year percentage change in Methane (CH4) emissions from Building (Energy) (Mt CO2e). Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.