How many years of comparable data are there for Samoa and Senegal?

54 years are reported by both, from 1970 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.

Samoa vs Senegal: Methane (CH4) emissions from Waste (Mt CO2e), per square kilometre

Samoa

0 Mt CO2e per square kilometre

in 2023

Senegal

0 Mt CO2e per square kilometre

in 2023

Samoa rank

135th

Senegal rank

138th

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

Samoa
Senegal

How they compare

Samoa currently reports 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in Senegal, a difference of 0 Mt CO2e per square kilometre.

That makes Samoa's figure about 1.1 times Senegal's.

Across all 54 years both countries report, Samoa has been ahead every year.

Samoa ranks 135th and Senegal ranks 138th of 203 countries.

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

Head to head by decade

Decade	Samoa	Senegal	Difference	Ahead
1970s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Samoa
1980s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Samoa
1990s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Samoa
2000s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Samoa
2010s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Samoa
2020s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Samoa

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, Samoa or Senegal?: Samoa, at 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in Senegal as of 2023.
What is the difference in methane (ch4) emissions from waste (mt co2e), per square kilometre between Samoa and Senegal?: 0 Mt CO2e per square kilometre, with Samoa ahead.
How many years of comparable data are there for Samoa and Senegal?: 54 years are reported by both, from 1970 to 2023.
How do Samoa and Senegal rank globally for methane (ch4) emissions from waste (mt co2e), per square kilometre?: Samoa ranks 135th and Senegal ranks 138th 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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Samoa vs Senegal: Methane (CH4) emissions from Waste (Mt CO2e), per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 22 September 2026, from https://environment.statizoid.com/compare/methane-ch4-emissions-from-waste-mt-co2e-per-square-kilometre/samoa/senegal/

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<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-from-waste-mt-co2e-per-square-kilometre/samoa/senegal/">Samoa vs Senegal: 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.