China vs Japan: IPPU — Emissions (CO2), per square kilometre

China
0.1277 kt per square kilometre
in 2023
Japan
0.1591 kt per square kilometre
in 2023
China rank
14th
Japan rank
12th

IPPU — Emissions (CO2), per square kilometre over time

  • China
  • Japan
00.050.10.150.20.25196119922023

How they compare

Japan currently reports 0.1591 kt per square kilometre against 0.1277 kt per square kilometre in China, a difference of 0.0314 kt per square kilometre.

That makes Japan's figure about 1.2 times China's.

Across all 63 years both countries report, Japan has been ahead every year.

China ranks 14th and Japan ranks 12th of 186 countries.

Japan has averaged higher in every one of the 7 decades both report.

Head to head by decade

Decade China Japan Difference Ahead
1960s 0.0035 kt per square kilometre 0.135 kt per square kilometre 0.1316 kt per square kilometre Japan
1970s 0.0062 kt per square kilometre 0.2079 kt per square kilometre 0.2017 kt per square kilometre Japan
1980s 0.0133 kt per square kilometre 0.192 kt per square kilometre 0.1787 kt per square kilometre Japan
1990s 0.0289 kt per square kilometre 0.2127 kt per square kilometre 0.1837 kt per square kilometre Japan
2000s 0.0671 kt per square kilometre 0.1922 kt per square kilometre 0.1252 kt per square kilometre Japan
2010s 0.1229 kt per square kilometre 0.176 kt per square kilometre 0.0531 kt per square kilometre Japan
2020s 0.1342 kt per square kilometre 0.1685 kt per square kilometre 0.0343 kt per square kilometre Japan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher ippu — emissions (co2), per square kilometre, China or Japan?
Japan, at 0.1591 kt per square kilometre against 0.1277 kt per square kilometre in China as of 2023.
What is the difference in ippu — emissions (co2), per square kilometre between China and Japan?
0.0314 kt per square kilometre, with Japan ahead.
How many years of comparable data are there for China and Japan?
63 years are reported by both, from 1961 to 2023.
How do China and Japan rank globally for ippu — emissions (co2), per square kilometre?
China ranks 14th and Japan ranks 12th of 186 countries.
Where does this data come from?
Statizoid (derived), published as IPPU — Emissions (CO2), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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China vs Japan: IPPU — Emissions (CO2), per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 23 September 2026, from https://climate.statizoid.com/compare/ippu-emissions-co2-per-square-kilometre/china/japan/

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About this data

Indicator
IPPU — Emissions (CO2), per square kilometre
Unit
kt per square kilometre
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
187 places, 10,734 data points, 1961–2023
Last refreshed

IPPU — Emissions (CO2) 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.