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

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

Where does this data come from?

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

Japan vs Sierra Leone: Methane (CH4) emissions from Agriculture (Mt CO2e), per capita

Japan

0 Mt CO2e per person

in 2024

Sierra Leone

0 Mt CO2e per person

in 2024

Japan rank

115th

Sierra Leone rank

117th

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

Japan
Sierra Leone

How they compare

Japan currently reports 0 Mt CO2e per person against 0 Mt CO2e per person in Sierra Leone, a difference of 0 Mt CO2e per person.

The two have swapped places 4 times across 55 shared years of data; in 1970 it was Japan ahead.

Japan ranks 115th and Sierra Leone ranks 117th of 201 countries.

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

Head to head by decade

Decade	Japan	Sierra Leone	Difference	Ahead
1970s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Japan
1980s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Japan
1990s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Japan
2000s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Japan
2010s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Japan
2020s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Japan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher methane (ch4) emissions from agriculture (mt co2e), per capita, Japan or Sierra Leone?: Japan, at 0 Mt CO2e per person against 0 Mt CO2e per person in Sierra Leone as of 2024.
What is the difference in methane (ch4) emissions from agriculture (mt co2e), per capita between Japan and Sierra Leone?: 0 Mt CO2e per person, with Japan ahead.
How many years of comparable data are there for Japan and Sierra Leone?: 55 years are reported by both, from 1970 to 2024.
How do Japan and Sierra Leone rank globally for methane (ch4) emissions from agriculture (mt co2e), per capita?: Japan ranks 115th and Sierra Leone ranks 117th of 201 countries.
Where does this data come from?: Statizoid (derived), published as Methane (CH4) emissions from Agriculture (Mt CO2e), per capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Japan vs Sierra Leone: Methane (CH4) emissions from Agriculture (Mt CO2e), per capita. Statizoid, drawing on Statizoid (derived). Retrieved 22 September 2026, from https://environment.statizoid.com/compare/methane-ch4-emissions-from-agriculture-mt-co2e-per-capita/japan/sierra-leone/

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<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-from-agriculture-mt-co2e-per-capita/japan/sierra-leone/">Japan vs Sierra Leone: Methane (CH4) emissions from Agriculture (Mt CO2e), per capita</a> — Statizoid

About this data

Indicator: Methane (CH4) emissions from Agriculture (Mt CO2e), per capita
Unit: Mt CO2e per person
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 248 places, 13,637 data points, 1970–2024
Last refreshed: 22 September 2026

Methane (CH4) emissions from Agriculture (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.