How many years of comparable data are there for Sierra Leone and Tajikistan?

32 years are reported by both, from 1992 to 2023.

Where does this data come from?

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

Sierra Leone vs Tajikistan: Methane (CH4) emissions from Waste (Mt CO2e), per square kilometre

Sierra Leone

0 Mt CO2e per square kilometre

in 2023

Tajikistan

0 Mt CO2e per square kilometre

in 2023

Sierra Leone rank

133rd

Tajikistan rank

134th

Methane (CH4) emissions from Waste (Mt CO2e), per square kilometre over time

Sierra Leone
Tajikistan

How they compare

Sierra Leone currently reports 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in Tajikistan, a difference of 0 Mt CO2e per square kilometre.

The two have swapped places 1 time across 32 shared years of data; in 1992 it was Tajikistan ahead.

Sierra Leone ranks 133rd and Tajikistan ranks 134th of 203 countries.

Across the 4 decades both report, Sierra Leone averaged higher in 3 and Tajikistan in 1.

Head to head by decade

Decade	Sierra Leone	Tajikistan	Difference	Ahead
1990s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Tajikistan
2000s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Sierra Leone
2010s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Sierra Leone
2020s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher methane (ch4) emissions from waste (mt co2e), per square kilometre, Sierra Leone or Tajikistan?: Sierra Leone, at 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in Tajikistan as of 2023.
What is the difference in methane (ch4) emissions from waste (mt co2e), per square kilometre between Sierra Leone and Tajikistan?: 0 Mt CO2e per square kilometre, with Sierra Leone ahead.
How many years of comparable data are there for Sierra Leone and Tajikistan?: 32 years are reported by both, from 1992 to 2023.
How do Sierra Leone and Tajikistan rank globally for methane (ch4) emissions from waste (mt co2e), per square kilometre?: Sierra Leone ranks 133rd and Tajikistan ranks 134th of 203 countries.
Where does this data come from?: Statizoid (derived), published as Methane (CH4) emissions from Waste (Mt CO2e), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Sierra Leone vs Tajikistan: Methane (CH4) emissions from Waste (Mt CO2e), per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://environment.statizoid.com/compare/methane-ch4-emissions-from-waste-mt-co2e-per-square-kilometre/sierra-leone/tajikistan/

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<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-from-waste-mt-co2e-per-square-kilometre/sierra-leone/tajikistan/">Sierra Leone vs Tajikistan: Methane (CH4) emissions from Waste (Mt CO2e), per square kilometre</a> — Statizoid

About this data

Indicator: Methane (CH4) emissions from Waste (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: 250 places, 12,804 data points, 1970–2023
Last refreshed: 21 September 2026

Methane (CH4) emissions from Waste (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.