New Zealand vs Portugal: Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per square

New Zealand
0 Mt CO2e per square kilometre
in 2023
Portugal
0 Mt CO2e per square kilometre
in 2023
New Zealand rank
81st
Portugal rank
82nd

Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per square over time

  • New Zealand
  • Portugal
00000197019962023

How they compare

New Zealand currently reports 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in Portugal, a difference of 0 Mt CO2e per square kilometre.

The two have swapped places 1 time across 54 shared years of data; in 1970 it was Portugal ahead.

New Zealand ranks 81st and Portugal ranks 82nd of 194 countries.

Across the 6 decades both report, New Zealand averaged higher in 2 and Portugal in 4.

Head to head by decade

Decade New Zealand Portugal Difference Ahead
1970s 0 Mt CO2e per square kilometre 0 Mt CO2e per square kilometre 0 Mt CO2e per square kilometre Portugal
1980s 0 Mt CO2e per square kilometre 0 Mt CO2e per square kilometre 0 Mt CO2e per square kilometre Portugal
1990s 0 Mt CO2e per square kilometre 0 Mt CO2e per square kilometre 0 Mt CO2e per square kilometre Portugal
2000s 0 Mt CO2e per square kilometre 0 Mt CO2e per square kilometre 0 Mt CO2e per square kilometre Portugal
2010s 0 Mt CO2e per square kilometre 0 Mt CO2e per square kilometre 0 Mt CO2e per square kilometre New Zealand
2020s 0 Mt CO2e per square kilometre 0 Mt CO2e per square kilometre 0 Mt CO2e per square kilometre New Zealand

Averages of every year both report within each decade.

Frequently asked questions

Which has higher methane (ch4) emissions from transport (energy) (mt co2e), per square, New Zealand or Portugal?
New Zealand, at 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in Portugal as of 2023.
What is the difference in methane (ch4) emissions from transport (energy) (mt co2e), per square between New Zealand and Portugal?
0 Mt CO2e per square kilometre, with New Zealand ahead.
How many years of comparable data are there for New Zealand and Portugal?
54 years are reported by both, from 1970 to 2023.
How do New Zealand and Portugal rank globally for methane (ch4) emissions from transport (energy) (mt co2e), per square?
New Zealand ranks 81st and Portugal ranks 82nd of 194 countries.
Where does this data come from?
Statizoid (derived), published as Methane (CH4) emissions from Transport (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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New Zealand vs Portugal: Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per square. Statizoid, drawing on Statizoid (derived). Retrieved 23 September 2026, from https://environment.statizoid.com/compare/methane-ch4-emissions-from-transport-energy-mt-co2e-per-square-kilometre/new-zealand/portugal/

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<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-from-transport-energy-mt-co2e-per-square-kilometre/new-zealand/portugal/">New Zealand vs Portugal: Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per square</a> — Statizoid

About this data

Indicator
Methane (CH4) emissions from Transport (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
241 places, 12,381 data points, 1970–2023
Last refreshed

Methane (CH4) emissions from Transport (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.