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

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

Where does this data come from?

Statizoid (derived), published as Maize (corn) — Crop residues (Direct emissions N2O), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Portugal vs Sri Lanka: Maize (corn) — Crop residues (Direct emissions N2O), per unit of GDP

Portugal

0 kt per US$ of GDP

in 2023

Sri Lanka

0 kt per US$ of GDP

in 2023

Portugal rank

87th

Sri Lanka rank

85th

Maize (corn) — Crop residues (Direct emissions N2O), per unit of GDP over time

Portugal
Sri Lanka

How they compare

Sri Lanka 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.

That makes Sri Lanka's figure about 1.1 times Portugal's.

The two have swapped places 5 times across 63 shared years of data; in 1961 it was Portugal ahead.

Portugal ranks 87th and Sri Lanka ranks 85th of 144 countries.

Across the 7 decades both report, Portugal averaged higher in 6 and Sri Lanka in 1.

Head to head by decade

Decade	Portugal	Sri Lanka	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	Sri Lanka

Averages of every year both report within each decade.

Frequently asked questions

Which has higher maize (corn) — crop residues (direct emissions n2o), per unit of gdp, Portugal or Sri Lanka?: Sri Lanka, at 0 kt per US$ of GDP against 0 kt per US$ of GDP in Portugal as of 2023.
What is the difference in maize (corn) — crop residues (direct emissions n2o), per unit of gdp between Portugal and Sri Lanka?: 0 kt per US$ of GDP, with Sri Lanka ahead.
How many years of comparable data are there for Portugal and Sri Lanka?: 63 years are reported by both, from 1961 to 2023.
How do Portugal and Sri Lanka rank globally for maize (corn) — crop residues (direct emissions n2o), per unit of gdp?: Portugal ranks 87th and Sri Lanka ranks 85th of 144 countries.
Where does this data come from?: Statizoid (derived), published as Maize (corn) — Crop residues (Direct emissions N2O), 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 Sri Lanka: Maize (corn) — Crop residues (Direct emissions N2O), per unit of GDP. Statizoid, drawing on Statizoid (derived). Retrieved 22 September 2026, from https://climate.statizoid.com/compare/maize-corn-crop-residues-direct-emissions-n2o-per-unit-of-gdp/portugal/sri-lanka/

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<a href="https://climate.statizoid.com/compare/maize-corn-crop-residues-direct-emissions-n2o-per-unit-of-gdp/portugal/sri-lanka/">Portugal vs Sri Lanka: Maize (corn) — Crop residues (Direct emissions N2O), per unit of GDP</a> — Statizoid

About this data

Indicator: Maize (corn) — Crop residues (Direct emissions N2O), 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: 146 places, 7,606 data points, 1961–2023
Last refreshed: 12 September 2026

Maize (corn) — Crop residues (Direct emissions N2O) divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.