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

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

Where does this data come from?

Statizoid (derived), published as Sheep — Manure left on pasture that leaches (N content), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Portugal vs Zambia: Sheep: Manure left on pasture that leaches (N) … unit GDP leaches

Portugal

0 kg per US$ of GDP

in 2023

Zambia

0 kg per US$ of GDP

in 2023

Portugal rank

86th

Zambia rank

85th

Sheep: Manure left on pasture that leaches (N) … unit GDP leaches over time

Portugal
Zambia

How they compare

Zambia currently reports 0 kg per US$ of GDP against 0 kg per US$ of GDP in Portugal, a difference of 0 kg per US$ of GDP.

That makes Zambia's figure about 1.1 times Portugal's.

The two have swapped places 7 times across 63 shared years of data; in 1961 it was Portugal ahead.

Portugal ranks 86th and Zambia ranks 85th of 158 countries.

Across the 7 decades both report, Portugal averaged higher in 5 and Zambia in 2.

Head to head by decade

Decade	Portugal	Zambia	Difference	Ahead
1960s	0.0042 kg per US$ of GDP	0.0001 kg per US$ of GDP	0.0041 kg per US$ of GDP	Portugal
1970s	0.0011 kg per US$ of GDP	0 kg per US$ of GDP	0.001 kg per US$ of GDP	Portugal
1980s	0.0004 kg per US$ of GDP	0.0001 kg per US$ of GDP	0.0004 kg per US$ of GDP	Portugal
1990s	0.0001 kg per US$ of GDP	0.0001 kg per US$ of GDP	0 kg per US$ of GDP	Portugal
2000s	0.0001 kg per US$ of GDP	0.0001 kg per US$ of GDP	0 kg per US$ of GDP	Zambia
2010s	0 kg per US$ of GDP	0 kg per US$ of GDP	0 kg per US$ of GDP	Portugal
2020s	0 kg per US$ of GDP	0 kg per US$ of GDP	0 kg per US$ of GDP	Zambia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher sheep — manure left on pasture that leaches (n content), per unit of, Portugal or Zambia?: Zambia, at 0 kg per US$ of GDP against 0 kg per US$ of GDP in Portugal as of 2023.
What is the difference in sheep — manure left on pasture that leaches (n content), per unit of between Portugal and Zambia?: 0 kg per US$ of GDP, with Zambia ahead.
How many years of comparable data are there for Portugal and Zambia?: 63 years are reported by both, from 1961 to 2023.
How do Portugal and Zambia rank globally for sheep — manure left on pasture that leaches (n content), per unit of?: Portugal ranks 86th and Zambia ranks 85th of 158 countries.
Where does this data come from?: Statizoid (derived), published as Sheep — Manure left on pasture that leaches (N content), 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 Zambia: Sheep — Manure left on pasture that leaches (N content), per unit of. Statizoid, drawing on Statizoid (derived). Retrieved 12 October 2026, from https://environment.statizoid.com/compare/sheep-manure-left-on-pasture-that-leaches-n-content-per-unit-of-gdp/portugal/zambia/

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<a href="https://environment.statizoid.com/compare/sheep-manure-left-on-pasture-that-leaches-n-content-per-unit-of-gdp/portugal/zambia/">Portugal vs Zambia: Sheep — Manure left on pasture that leaches (N content), per unit of</a> — Statizoid

About this data

Indicator: Sheep — Manure left on pasture that leaches (N content), per unit of GDP
Unit: kg per US$ of GDP
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 160 places, 8,592 data points, 1961–2023
Last refreshed: 06 October 2026

Sheep — Manure left on pasture that leaches (N content) divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.