Nauru vs San Marino: Energy — Emissions (CO2), per square kilometre

Nauru
2.65 kt per square kilometre
in 2023
San Marino
2.4 kt per square kilometre
in 2023
Nauru rank
14th
San Marino rank
17th

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

  • Nauru
  • San Marino
02468196119922023

How they compare

Nauru currently reports 2.65 kt per square kilometre against 2.4 kt per square kilometre in San Marino, a difference of 0.25 kt per square kilometre.

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

The two have swapped places 4 times across 63 shared years of data; in 1961 it was Nauru ahead.

Nauru ranks 14th and San Marino ranks 17th of 186 countries.

Across the 7 decades both report, Nauru averaged higher in 5 and San Marino in 2.

Head to head by decade

Decade Nauru San Marino Difference Ahead
1960s 1.76 kt per square kilometre 1.12 kt per square kilometre 0.6374 kt per square kilometre Nauru
1970s 4.81 kt per square kilometre 2 kt per square kilometre 2.81 kt per square kilometre Nauru
1980s 6.92 kt per square kilometre 2.39 kt per square kilometre 4.54 kt per square kilometre Nauru
1990s 5.49 kt per square kilometre 2.98 kt per square kilometre 2.51 kt per square kilometre Nauru
2000s 3.04 kt per square kilometre 3.65 kt per square kilometre 0.6053 kt per square kilometre San Marino
2010s 2.49 kt per square kilometre 3.09 kt per square kilometre 0.5953 kt per square kilometre San Marino
2020s 2.54 kt per square kilometre 2.5 kt per square kilometre 0.0362 kt per square kilometre Nauru

Averages of every year both report within each decade.

Frequently asked questions

Which has higher energy — emissions (co2), per square kilometre, Nauru or San Marino?
Nauru, at 2.65 kt per square kilometre against 2.4 kt per square kilometre in San Marino as of 2023.
What is the difference in energy — emissions (co2), per square kilometre between Nauru and San Marino?
0.25 kt per square kilometre, with Nauru ahead.
How many years of comparable data are there for Nauru and San Marino?
63 years are reported by both, from 1961 to 2023.
How do Nauru and San Marino rank globally for energy — emissions (co2), per square kilometre?
Nauru ranks 14th and San Marino ranks 17th of 186 countries.
Where does this data come from?
Statizoid (derived), published as Energy — Emissions (CO2), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Nauru vs San Marino: Energy — Emissions (CO2), per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 25 September 2026, from https://climate.statizoid.com/compare/energy-emissions-co2-per-square-kilometre/naoero/san-marino/

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About this data

Indicator
Energy — 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

Energy — 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.