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

55 years are reported by both, from 1970 to 2024.

Where does this data come from?

Statizoid (derived), published as Methane (CH4) emissions from Industrial Combustion (Energy) (Mt CO2e), per capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Hong Kong vs Yemen: Methane (CH4) emissions from Industrial Combustion (Energy) (Mt)

Hong Kong

0 Mt CO2e per person

in 2024

Yemen

0 Mt CO2e per person

in 2024

Hong Kong rank

174th

Yemen rank

176th

Methane (CH4) emissions from Industrial Combustion (Energy) (Mt) over time

Hong Kong
Yemen

How they compare

Hong Kong currently reports 0 Mt CO2e per person against 0 Mt CO2e per person in Yemen, a difference of 0 Mt CO2e per person.

That makes Hong Kong's figure about 1.1 times Yemen's.

Across all 55 years both countries report, Hong Kong has been ahead every year.

Hong Kong ranks 174th and Yemen ranks 176th of 193 countries.

Hong Kong has averaged higher in every one of the 6 decades both report.

Head to head by decade

Decade	Hong Kong	Yemen	Difference	Ahead
1970s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Hong Kong
1980s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Hong Kong
1990s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Hong Kong
2000s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Hong Kong
2010s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Hong Kong
2020s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Hong Kong

Averages of every year both report within each decade.

Frequently asked questions

Which has higher methane (ch4) emissions from industrial combustion (energy) (mt), Hong Kong or Yemen?: Hong Kong, at 0 Mt CO2e per person against 0 Mt CO2e per person in Yemen as of 2024.
What is the difference in methane (ch4) emissions from industrial combustion (energy) (mt) between Hong Kong and Yemen?: 0 Mt CO2e per person, with Hong Kong ahead.
How many years of comparable data are there for Hong Kong and Yemen?: 55 years are reported by both, from 1970 to 2024.
How do Hong Kong and Yemen rank globally for methane (ch4) emissions from industrial combustion (energy) (mt)?: Hong Kong ranks 174th and Yemen ranks 176th of 193 countries.
Where does this data come from?: Statizoid (derived), published as Methane (CH4) emissions from Industrial Combustion (Energy) (Mt CO2e), per capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Hong Kong vs Yemen: Methane (CH4) emissions from Industrial Combustion (Energy) (Mt). Statizoid, drawing on Statizoid (derived). Retrieved 23 September 2026, from https://environment.statizoid.com/compare/methane-ch4-emissions-from-industrial-combustion-energy-mt-co2e-per-capita/hong-kong-sar-china/yemen-rep/

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<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-from-industrial-combustion-energy-mt-co2e-per-capita/hong-kong-sar-china/yemen-rep/">Hong Kong vs Yemen: Methane (CH4) emissions from Industrial Combustion (Energy) (Mt)</a> — Statizoid

About this data

Indicator: Methane (CH4) emissions from Industrial Combustion (Energy) (Mt CO2e), per capita
Unit: Mt CO2e per person
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 240 places, 13,200 data points, 1970–2024
Last refreshed: 22 September 2026

Methane (CH4) emissions from Industrial Combustion (Energy) (Mt CO2e) divided by Population, total, matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.