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

China
0.1277 kt per square kilometre
in 2023
San Marino
0.1352 kt per square kilometre
in 2023
China rank
14th
San Marino rank
13th

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

  • China
  • San Marino
00.050.10.150.20.25196119922023

How they compare

San Marino currently reports 0.1352 kt per square kilometre against 0.1277 kt per square kilometre in China, a difference of 0.0075 kt per square kilometre.

That makes San Marino's figure about 1.1 times China's.

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

China ranks 14th and San Marino ranks 13th of 186 countries.

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

Head to head by decade

Decade China San Marino Difference Ahead
1960s 0.0035 kt per square kilometre 0.1328 kt per square kilometre 0.1294 kt per square kilometre San Marino
1970s 0.0062 kt per square kilometre 0.1791 kt per square kilometre 0.1729 kt per square kilometre San Marino
1980s 0.0133 kt per square kilometre 0.1985 kt per square kilometre 0.1852 kt per square kilometre San Marino
1990s 0.0289 kt per square kilometre 0.179 kt per square kilometre 0.1501 kt per square kilometre San Marino
2000s 0.0671 kt per square kilometre 0.2155 kt per square kilometre 0.1484 kt per square kilometre San Marino
2010s 0.1229 kt per square kilometre 0.1686 kt per square kilometre 0.0457 kt per square kilometre San Marino
2020s 0.1342 kt per square kilometre 0.1462 kt per square kilometre 0.0119 kt per square kilometre San Marino

Averages of every year both report within each decade.

Frequently asked questions

Which has higher ippu — emissions (co2), per square kilometre, China or San Marino?
San Marino, at 0.1352 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 San Marino?
0.0075 kt per square kilometre, with San Marino ahead.
How many years of comparable data are there for China and San Marino?
63 years are reported by both, from 1961 to 2023.
How do China and San Marino rank globally for ippu — emissions (co2), per square kilometre?
China ranks 14th and San Marino ranks 13th 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 San Marino: 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/san-marino/

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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.