How many years of comparable data are there for Niger and Sweden?

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

Where does this data come from?

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

Niger vs Sweden: Methane (CH4) emissions (total) excluding LULUCF (Mt CO2e), per

Niger

0 Mt CO2e per square kilometre

in 2023

Sweden

0 Mt CO2e per square kilometre

in 2023

Niger rank

183rd

Sweden rank

186th

Methane (CH4) emissions (total) excluding LULUCF (Mt CO2e), per over time

Niger
Sweden

How they compare

Niger currently reports 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in Sweden, a difference of 0 Mt CO2e per square kilometre.

That makes Niger's figure about 1.1 times Sweden's.

The two have swapped places 1 time across 54 shared years of data; in 1970 it was Sweden ahead.

Niger ranks 183rd and Sweden ranks 186th of 203 countries.

Across the 6 decades both report, Niger averaged higher in 1 and Sweden in 5.

Head to head by decade

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

Averages of every year both report within each decade.

Frequently asked questions

Which has higher methane (ch4) emissions (total) excluding lulucf (mt co2e), per, Niger or Sweden?: Niger, at 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in Sweden as of 2023.
What is the difference in methane (ch4) emissions (total) excluding lulucf (mt co2e), per between Niger and Sweden?: 0 Mt CO2e per square kilometre, with Niger ahead.
How many years of comparable data are there for Niger and Sweden?: 54 years are reported by both, from 1970 to 2023.
How do Niger and Sweden rank globally for methane (ch4) emissions (total) excluding lulucf (mt co2e), per?: Niger ranks 183rd and Sweden ranks 186th of 203 countries.
Where does this data come from?: Statizoid (derived), published as Methane (CH4) emissions (total) excluding LULUCF (Mt CO2e), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Niger vs Sweden: Methane (CH4) emissions (total) excluding LULUCF (Mt CO2e), per. Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://environment.statizoid.com/compare/methane-ch4-emissions-total-excluding-lulucf-mt-co2e-per-square-kilometre/niger/sweden/

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<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-total-excluding-lulucf-mt-co2e-per-square-kilometre/niger/sweden/">Niger vs Sweden: Methane (CH4) emissions (total) excluding LULUCF (Mt CO2e), per</a> — Statizoid

About this data

Indicator: Methane (CH4) emissions (total) excluding LULUCF (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 (total) excluding LULUCF (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.