What is the difference in ippu — emissions (co2eq) from ch4 (ar5), per capita between Japan and United States?

0 kt per person, with Japan ahead.

How many years of comparable data are there for Japan and United States?

63 years are reported by both, from 1961 to 2023.

Where does this data come from?

Statizoid (derived), published as IPPU — Emissions (CO2eq) from CH4 (AR5), per capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Japan vs United States: IPPU — Emissions (CO2eq) from CH4 (AR5), per capita

Japan

0 kt per person

in 2023

United States

0 kt per person

in 2023

Japan rank

21st

United States rank

24th

IPPU — Emissions (CO2eq) from CH4 (AR5), per capita over time

Japan
United States

How they compare

Japan currently reports 0 kt per person against 0 kt per person in United States, a difference of 0 kt per person.

That makes Japan's figure about 1.2 times United States's.

The two have swapped places 8 times across 63 shared years of data; in 1961 it was Japan ahead.

Japan ranks 21st and United States ranks 24th of 119 countries.

Across the 7 decades both report, Japan averaged higher in 6 and United States in 1.

Head to head by decade

Decade	Japan	United States	Difference	Ahead
1960s	0 kt per person	0 kt per person	0 kt per person	Japan
1970s	0 kt per person	0 kt per person	0 kt per person	Japan
1980s	0 kt per person	0 kt per person	0 kt per person	Japan
1990s	0 kt per person	0 kt per person	0 kt per person	United States
2000s	0 kt per person	0 kt per person	0 kt per person	Japan
2010s	0 kt per person	0 kt per person	0 kt per person	Japan
2020s	0 kt per person	0 kt per person	0 kt per person	Japan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher ippu — emissions (co2eq) from ch4 (ar5), per capita, Japan or United States?: Japan, at 0 kt per person against 0 kt per person in United States as of 2023.
What is the difference in ippu — emissions (co2eq) from ch4 (ar5), per capita between Japan and United States?: 0 kt per person, with Japan ahead.
How many years of comparable data are there for Japan and United States?: 63 years are reported by both, from 1961 to 2023.
How do Japan and United States rank globally for ippu — emissions (co2eq) from ch4 (ar5), per capita?: Japan ranks 21st and United States ranks 24th of 119 countries.
Where does this data come from?: Statizoid (derived), published as IPPU — Emissions (CO2eq) from CH4 (AR5), per capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Japan vs United States: IPPU — Emissions (CO2eq) from CH4 (AR5), per capita. Statizoid, drawing on Statizoid (derived). Retrieved 23 September 2026, from https://climate.statizoid.com/compare/ippu-emissions-co2eq-from-ch4-ar5-per-capita/japan/united-states/

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About this data

Indicator: IPPU — Emissions (CO2eq) from CH4 (AR5), per capita
Unit: kt per person
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 120 places, 6,740 data points, 1961–2023
Last refreshed: 22 September 2026

IPPU — Emissions (CO2eq) from CH4 (AR5) divided by Population, total, matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.