How many years of comparable data are there for Romania and Slovenia?

32 years are reported by both, from 1992 to 2023.

Where does this data come from?

Statizoid (derived), published as Carbon dioxide (CO2) emissions from Building (Energy) (Mt CO2e), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Romania vs Slovenia: Carbon dioxide (CO2) emissions from Building (Energy) (Mt CO2e), per

Romania

0.0001 Mt CO2e per square kilometre

in 2023

Slovenia

0.0001 Mt CO2e per square kilometre

in 2023

Romania rank

51st

Slovenia rank

50th

Carbon dioxide (CO2) emissions from Building (Energy) (Mt CO2e), per over time

Romania
Slovenia

How they compare

Slovenia currently reports 0.0001 Mt CO2e per square kilometre against 0.0001 Mt CO2e per square kilometre in Romania, a difference of 0 Mt CO2e per square kilometre.

The two have swapped places 2 times across 32 shared years of data; in 1992 it was Slovenia ahead.

Romania ranks 51st and Slovenia ranks 50th of 193 countries.

Slovenia has averaged higher in every one of the 4 decades both report.

Head to head by decade

Decade	Romania	Slovenia	Difference	Ahead
1990s	0 Mt CO2e per square kilometre	0.0001 Mt CO2e per square kilometre	0.0001 Mt CO2e per square kilometre	Slovenia
2000s	0 Mt CO2e per square kilometre	0.0001 Mt CO2e per square kilometre	0.0001 Mt CO2e per square kilometre	Slovenia
2010s	0 Mt CO2e per square kilometre	0.0001 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Slovenia
2020s	0.0001 Mt CO2e per square kilometre	0.0001 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Slovenia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher carbon dioxide (co2) emissions from building (energy) (mt co2e), per, Romania or Slovenia?: Slovenia, at 0.0001 Mt CO2e per square kilometre against 0.0001 Mt CO2e per square kilometre in Romania as of 2023.
What is the difference in carbon dioxide (co2) emissions from building (energy) (mt co2e), per between Romania and Slovenia?: 0 Mt CO2e per square kilometre, with Slovenia ahead.
How many years of comparable data are there for Romania and Slovenia?: 32 years are reported by both, from 1992 to 2023.
How do Romania and Slovenia rank globally for carbon dioxide (co2) emissions from building (energy) (mt co2e), per?: Romania ranks 51st and Slovenia ranks 50th of 193 countries.
Where does this data come from?: Statizoid (derived), published as Carbon dioxide (CO2) emissions from Building (Energy) (Mt CO2e), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Romania vs Slovenia: Carbon dioxide (CO2) emissions from Building (Energy) (Mt CO2e), per. Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://environment.statizoid.com/compare/carbon-dioxide-co2-emissions-from-building-energy-mt-co2e-per-square-kilometre/romania/slovenia/

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<a href="https://environment.statizoid.com/compare/carbon-dioxide-co2-emissions-from-building-energy-mt-co2e-per-square-kilometre/romania/slovenia/">Romania vs Slovenia: Carbon dioxide (CO2) emissions from Building (Energy) (Mt CO2e), per</a> — Statizoid

About this data

Indicator: Carbon dioxide (CO2) emissions from Building (Energy) (Mt CO2e), per square kilometre
Unit: Mt CO2e per square kilometre
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 240 places, 12,327 data points, 1970–2023
Last refreshed: 21 September 2026

Carbon dioxide (CO2) emissions from Building (Energy) (Mt CO2e) 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.