San Marino vs Sierra Leone: Waste — Emissions (CO2), per square kilometre

San Marino
0.0038 kt per square kilometre
in 2023
Sierra Leone
0.0032 kt per square kilometre
in 2023
San Marino rank
8th
Sierra Leone rank
9th

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

  • San Marino
  • Sierra Leone
00.0010.0020.0030.004196119922023

How they compare

San Marino currently reports 0.0038 kt per square kilometre against 0.0032 kt per square kilometre in Sierra Leone, a difference of 0.0006 kt per square kilometre.

That makes San Marino's figure about 1.2 times Sierra Leone's.

The two have swapped places 1 time across 63 shared years of data; in 1961 it was Sierra Leone ahead.

San Marino ranks 8th and Sierra Leone ranks 9th of 136 countries.

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

Head to head by decade

Decade San Marino Sierra Leone Difference Ahead
1960s 0 kt per square kilometre 0 kt per square kilometre 0 kt per square kilometre
1970s 0.0025 kt per square kilometre 0 kt per square kilometre 0.0025 kt per square kilometre San Marino
1980s 0.003 kt per square kilometre 0 kt per square kilometre 0.003 kt per square kilometre San Marino
1990s 0.0037 kt per square kilometre 0 kt per square kilometre 0.0037 kt per square kilometre San Marino
2000s 0.0038 kt per square kilometre 0.0011 kt per square kilometre 0.0027 kt per square kilometre San Marino
2010s 0.0041 kt per square kilometre 0.0027 kt per square kilometre 0.0015 kt per square kilometre San Marino
2020s 0.004 kt per square kilometre 0.0031 kt per square kilometre 0.001 kt per square kilometre San Marino

Averages of every year both report within each decade.

Frequently asked questions

Which has higher waste — emissions (co2), per square kilometre, San Marino or Sierra Leone?
San Marino, at 0.0038 kt per square kilometre against 0.0032 kt per square kilometre in Sierra Leone as of 2023.
What is the difference in waste — emissions (co2), per square kilometre between San Marino and Sierra Leone?
0.0006 kt per square kilometre, with San Marino ahead.
How many years of comparable data are there for San Marino and Sierra Leone?
63 years are reported by both, from 1961 to 2023.
How do San Marino and Sierra Leone rank globally for waste — emissions (co2), per square kilometre?
San Marino ranks 8th and Sierra Leone ranks 9th of 136 countries.
Where does this data come from?
Statizoid (derived), published as Waste — Emissions (CO2), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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San Marino vs Sierra Leone: Waste — Emissions (CO2), per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 23 September 2026, from https://climate.statizoid.com/compare/waste-emissions-co2-per-square-kilometre/san-marino/sierra-leone/

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About this data

Indicator
Waste — 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
137 places, 7,811 data points, 1961–2023
Last refreshed

Waste — 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.