Barbados vs Hong Kong: Methane (CH4) emissions from Transport (Energy) (Mt CO2e), annual

Barbados
11.11 % change on previous year
in 2024
Hong Kong
13.39 % change on previous year
in 2024
Barbados rank
7th
Hong Kong rank
4th

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

  • Barbados
  • Hong Kong
-50050100197119972024

How they compare

Hong Kong currently reports 13.39 % change on previous year against 11.11 % change on previous year in Barbados, a difference of 2.28 % change on previous year.

That makes Hong Kong's figure about 1.2 times Barbados's.

The two have swapped places 26 times across 54 shared years of data; in 1971 it was Hong Kong ahead.

Barbados ranks 7th and Hong Kong ranks 4th of 194 countries.

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

Head to head by decade

Decade Barbados Hong Kong Difference Ahead
1970s 11.11 % change on previous year 10.31 % change on previous year 0.8005 % change on previous year Barbados
1980s 10.83 % change on previous year 5.12 % change on previous year 5.72 % change on previous year Barbados
1990s 11.11 % change on previous year 13.91 % change on previous year 2.8 % change on previous year Hong Kong
2000s 0.0278 % change on previous year -5.33 % change on previous year 5.36 % change on previous year Barbados
2010s 1.78 % change on previous year -4.54 % change on previous year 6.32 % change on previous year Barbados
2020s -2.78 % change on previous year 2.83 % change on previous year 5.61 % change on previous year Hong Kong

Averages of every year both report within each decade.

Frequently asked questions

Which has higher methane (ch4) emissions from transport (energy) (mt co2e), annual, Barbados or Hong Kong?
Hong Kong, at 13.39 % change on previous year against 11.11 % change on previous year in Barbados as of 2024.
What is the difference in methane (ch4) emissions from transport (energy) (mt co2e), annual between Barbados and Hong Kong?
2.28 % change on previous year, with Hong Kong ahead.
How many years of comparable data are there for Barbados and Hong Kong?
54 years are reported by both, from 1971 to 2024.
How do Barbados and Hong Kong rank globally for methane (ch4) emissions from transport (energy) (mt co2e), annual?
Barbados ranks 7th and Hong Kong ranks 4th of 194 countries.
Where does this data come from?
Statizoid (derived), published as Methane (CH4) emissions from Transport (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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Barbados vs Hong Kong: Methane (CH4) emissions from Transport (Energy) (Mt CO2e), annual. Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://environment.statizoid.com/compare/methane-ch4-emissions-from-transport-energy-mt-co2e-annual-growth-rate/barbados/hong-kong-sar-china/

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About this data

Indicator
Methane (CH4) emissions from Transport (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
241 places, 12,707 data points, 1971–2024
Last refreshed

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