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

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

Where does this data come from?

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

Hong Kong vs Mauritania: Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per capita

Hong Kong

0 Mt CO2e per person

in 2024

Mauritania

0 Mt CO2e per person

in 2024

Hong Kong rank

86th

Mauritania rank

87th

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

Hong Kong
Mauritania

How they compare

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

The two have swapped places 2 times across 55 shared years of data; in 1970 it was Hong Kong ahead.

Hong Kong ranks 86th and Mauritania ranks 87th of 194 countries.

Across the 6 decades both report, Hong Kong averaged higher in 5 and Mauritania in 1.

Head to head by decade

Decade	Hong Kong	Mauritania	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	Mauritania

Averages of every year both report within each decade.

Frequently asked questions

Which has higher methane (ch4) emissions from transport (energy) (mt co2e), per capita, Hong Kong or Mauritania?: Hong Kong, at 0 Mt CO2e per person against 0 Mt CO2e per person in Mauritania as of 2024.
What is the difference in methane (ch4) emissions from transport (energy) (mt co2e), per capita between Hong Kong and Mauritania?: 0 Mt CO2e per person, with Hong Kong ahead.
How many years of comparable data are there for Hong Kong and Mauritania?: 55 years are reported by both, from 1970 to 2024.
How do Hong Kong and Mauritania rank globally for methane (ch4) emissions from transport (energy) (mt co2e), per capita?: Hong Kong ranks 86th and Mauritania ranks 87th of 194 countries.
Where does this data come from?: Statizoid (derived), published as Methane (CH4) emissions from Transport (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 Mauritania: Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per capita. Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://environment.statizoid.com/compare/methane-ch4-emissions-from-transport-energy-mt-co2e-per-capita/hong-kong-sar-china/mauritania/

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<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-from-transport-energy-mt-co2e-per-capita/hong-kong-sar-china/mauritania/">Hong Kong vs Mauritania: Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per capita</a> — Statizoid

About this data

Indicator: Methane (CH4) emissions from Transport (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: 241 places, 13,255 data points, 1970–2024
Last refreshed: 21 September 2026

Methane (CH4) emissions from Transport (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.