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

33 years are reported by both, from 1991 to 2023.

Where does this data come from?

Statizoid (derived), published as Methane (CH4) emissions (total) excluding LULUCF (Mt CO2e), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Palau vs Romania: Methane (CH4) emissions (total) excluding LULUCF (Mt CO2e), per

Palau

0.0001 Mt CO2e per square kilometre

in 2023

Romania

0.0001 Mt CO2e per square kilometre

in 2023

Palau rank

104th

Romania rank

103rd

Methane (CH4) emissions (total) excluding LULUCF (Mt CO2e), per over time

Palau
Romania

How they compare

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

The two have swapped places 3 times across 33 shared years of data; in 1991 it was Palau ahead.

Palau ranks 104th and Romania ranks 103rd of 203 countries.

Across the 4 decades both report, Palau averaged higher in 2 and Romania in 2.

Head to head by decade

Decade	Palau	Romania	Difference	Ahead
1990s	0.0003 Mt CO2e per square kilometre	0.0001 Mt CO2e per square kilometre	0.0002 Mt CO2e per square kilometre	Palau
2000s	0.0001 Mt CO2e per square kilometre	0.0001 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Palau
2010s	0.0001 Mt CO2e per square kilometre	0.0001 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Romania
2020s	0.0001 Mt CO2e per square kilometre	0.0001 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Romania

Averages of every year both report within each decade.

Frequently asked questions

Which has higher methane (ch4) emissions (total) excluding lulucf (mt co2e), per, Palau or Romania?: Romania, at 0.0001 Mt CO2e per square kilometre against 0.0001 Mt CO2e per square kilometre in Palau as of 2023.
What is the difference in methane (ch4) emissions (total) excluding lulucf (mt co2e), per between Palau and Romania?: 0 Mt CO2e per square kilometre, with Romania ahead.
How many years of comparable data are there for Palau and Romania?: 33 years are reported by both, from 1991 to 2023.
How do Palau and Romania rank globally for methane (ch4) emissions (total) excluding lulucf (mt co2e), per?: Palau ranks 104th and Romania ranks 103rd of 203 countries.
Where does this data come from?: Statizoid (derived), published as Methane (CH4) emissions (total) excluding LULUCF (Mt CO2e), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Palau vs Romania: Methane (CH4) emissions (total) excluding LULUCF (Mt CO2e), per. Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://environment.statizoid.com/compare/methane-ch4-emissions-total-excluding-lulucf-mt-co2e-per-square-kilometre/palau/romania/

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<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-total-excluding-lulucf-mt-co2e-per-square-kilometre/palau/romania/">Palau vs Romania: Methane (CH4) emissions (total) excluding LULUCF (Mt CO2e), per</a> — Statizoid

About this data

Indicator: Methane (CH4) emissions (total) excluding LULUCF (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: 250 places, 12,804 data points, 1970–2023
Last refreshed: 21 September 2026

Methane (CH4) emissions (total) excluding LULUCF (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.