How many years of comparable data are there for Portugal and Sweden?

63 years are reported by both, from 1961 to 2023.

Where does this data come from?

Statizoid (derived), published as Energy — Emissions (CO2eq) from N2O (AR5), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Portugal vs Sweden: Energy — Emissions (CO2eq) from N2O (AR5), per unit of GDP

Portugal

0 kt per US$ of GDP

in 2023

Sweden

0 kt per US$ of GDP

in 2023

Portugal rank

142nd

Sweden rank

140th

Energy — Emissions (CO2eq) from N2O (AR5), per unit of GDP over time

Portugal
Sweden

How they compare

Sweden currently reports 0 kt per US$ of GDP against 0 kt per US$ of GDP in Portugal, a difference of 0 kt per US$ of GDP.

The two have swapped places 9 times across 63 shared years of data; in 1961 it was Portugal ahead.

Portugal ranks 142nd and Sweden ranks 140th of 183 countries.

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

Head to head by decade

Decade	Portugal	Sweden	Difference	Ahead
1960s	0 kt per US$ of GDP	0 kt per US$ of GDP	0 kt per US$ of GDP	Portugal
1970s	0 kt per US$ of GDP	0 kt per US$ of GDP	0 kt per US$ of GDP	Portugal
1980s	0 kt per US$ of GDP	0 kt per US$ of GDP	0 kt per US$ of GDP	Portugal
1990s	0 kt per US$ of GDP	0 kt per US$ of GDP	0 kt per US$ of GDP	Portugal
2000s	0 kt per US$ of GDP	0 kt per US$ of GDP	0 kt per US$ of GDP	Portugal
2010s	0 kt per US$ of GDP	0 kt per US$ of GDP	0 kt per US$ of GDP	Portugal
2020s	0 kt per US$ of GDP	0 kt per US$ of GDP	0 kt per US$ of GDP	Portugal

Averages of every year both report within each decade.

Frequently asked questions

Which has higher energy — emissions (co2eq) from n2o (ar5), per unit of gdp, Portugal or Sweden?: Sweden, at 0 kt per US$ of GDP against 0 kt per US$ of GDP in Portugal as of 2023.
What is the difference in energy — emissions (co2eq) from n2o (ar5), per unit of gdp between Portugal and Sweden?: 0 kt per US$ of GDP, with Sweden ahead.
How many years of comparable data are there for Portugal and Sweden?: 63 years are reported by both, from 1961 to 2023.
How do Portugal and Sweden rank globally for energy — emissions (co2eq) from n2o (ar5), per unit of gdp?: Portugal ranks 142nd and Sweden ranks 140th of 183 countries.
Where does this data come from?: Statizoid (derived), published as Energy — Emissions (CO2eq) from N2O (AR5), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Portugal vs Sweden: Energy — Emissions (CO2eq) from N2O (AR5), per unit of GDP. Statizoid, drawing on Statizoid (derived). Retrieved 23 September 2026, from https://climate.statizoid.com/compare/energy-emissions-co2eq-from-n2o-ar5-per-unit-of-gdp/portugal/sweden/

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<a href="https://climate.statizoid.com/compare/energy-emissions-co2eq-from-n2o-ar5-per-unit-of-gdp/portugal/sweden/">Portugal vs Sweden: Energy — Emissions (CO2eq) from N2O (AR5), per unit of GDP</a> — Statizoid

About this data

Indicator: Energy — Emissions (CO2eq) from N2O (AR5), per unit of GDP
Unit: kt per US$ of GDP
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 184 places, 9,735 data points, 1961–2023
Last refreshed: 23 September 2026

Energy — Emissions (CO2eq) from N2O (AR5) divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.