How many years of comparable data are there for United Kingdom and Vietnam?

54 years are reported by both, from 1970 to 2023.

Where does this data come from?

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

United Kingdom vs Vietnam: Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per square

United Kingdom

0 Mt CO2e per square kilometre

in 2023

Vietnam

0 Mt CO2e per square kilometre

in 2023

United Kingdom rank

39th

Vietnam rank

41st

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

United Kingdom
Vietnam

How they compare

United Kingdom currently reports 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in Vietnam, a difference of 0 Mt CO2e per square kilometre.

The two have swapped places 2 times across 54 shared years of data; in 1970 it was United Kingdom ahead.

United Kingdom ranks 39th and Vietnam ranks 41st of 194 countries.

United Kingdom has averaged higher in every one of the 6 decades both report.

Head to head by decade

Decade	United Kingdom	Vietnam	Difference	Ahead
1970s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	United Kingdom
1980s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	United Kingdom
1990s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	United Kingdom
2000s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	United Kingdom
2010s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	United Kingdom
2020s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	United Kingdom

Averages of every year both report within each decade.

Frequently asked questions

Which has higher methane (ch4) emissions from transport (energy) (mt co2e), per square, United Kingdom or Vietnam?: United Kingdom, at 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in Vietnam as of 2023.
What is the difference in methane (ch4) emissions from transport (energy) (mt co2e), per square between United Kingdom and Vietnam?: 0 Mt CO2e per square kilometre, with United Kingdom ahead.
How many years of comparable data are there for United Kingdom and Vietnam?: 54 years are reported by both, from 1970 to 2023.
How do United Kingdom and Vietnam rank globally for methane (ch4) emissions from transport (energy) (mt co2e), per square?: United Kingdom ranks 39th and Vietnam ranks 41st of 194 countries.
Where does this data come from?: Statizoid (derived), published as Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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United Kingdom vs Vietnam: Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per square. Statizoid, drawing on Statizoid (derived). Retrieved 23 September 2026, from https://environment.statizoid.com/compare/methane-ch4-emissions-from-transport-energy-mt-co2e-per-square-kilometre/united-kingdom/viet-nam/

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<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-from-transport-energy-mt-co2e-per-square-kilometre/united-kingdom/viet-nam/">United Kingdom vs Vietnam: Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per square</a> — Statizoid

About this data

Indicator: Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per square kilometre
Unit: Mt CO2e per square kilometre
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 241 places, 12,381 data points, 1970–2023
Last refreshed: 21 September 2026

Methane (CH4) emissions from Transport (Energy) (Mt CO2e) 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.