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 — Amount excreted in manure (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 — Amount excreted in manure (N content), per unit of GDP

Portugal

0.0001 kg per US$ of GDP

in 2023

Zambia

0.0001 kg per US$ of GDP

in 2023

Portugal rank

85th

Zambia rank

86th

Sheep — Amount excreted in manure (N content), per unit of GDP over time

Portugal
Zambia

How they compare

Portugal currently reports 0.0001 kg per US$ of GDP against 0.0001 kg per US$ of GDP in Zambia, a difference of 0 kg per US$ of GDP.

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

The two have swapped places 6 times across 63 shared years of data; in 1961 it was Portugal ahead.

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

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

Head to head by decade

Decade	Portugal	Zambia	Difference	Ahead
1960s	0.0163 kg per US$ of GDP	0.0004 kg per US$ of GDP	0.0159 kg per US$ of GDP	Portugal
1970s	0.0042 kg per US$ of GDP	0.0002 kg per US$ of GDP	0.004 kg per US$ of GDP	Portugal
1980s	0.0017 kg per US$ of GDP	0.0002 kg per US$ of GDP	0.0015 kg per US$ of GDP	Portugal
1990s	0.0005 kg per US$ of GDP	0.0003 kg per US$ of GDP	0.0002 kg per US$ of GDP	Portugal
2000s	0.0002 kg per US$ of GDP	0.0003 kg per US$ of GDP	0.0001 kg per US$ of GDP	Zambia
2010s	0.0001 kg per US$ of GDP	0.0001 kg per US$ of GDP	0 kg per US$ of GDP	Portugal
2020s	0.0001 kg per US$ of GDP	0.0001 kg per US$ of GDP	0 kg per US$ of GDP	Portugal

Averages of every year both report within each decade.

Frequently asked questions

Which has higher sheep — amount excreted in manure (n content), per unit of gdp, Portugal or Zambia?: Portugal, at 0.0001 kg per US$ of GDP against 0.0001 kg per US$ of GDP in Zambia as of 2023.
What is the difference in sheep — amount excreted in manure (n content), per unit of gdp between Portugal and Zambia?: 0 kg per US$ of GDP, with Portugal 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 — amount excreted in manure (n content), per unit of gdp?: Portugal ranks 85th and Zambia ranks 86th of 158 countries.
Where does this data come from?: Statizoid (derived), published as Sheep — Amount excreted in manure (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 — Amount excreted in manure (N content), per unit of GDP. Statizoid, drawing on Statizoid (derived). Retrieved 12 October 2026, from https://environment.statizoid.com/compare/sheep-amount-excreted-in-manure-n-content-per-unit-of-gdp/portugal/zambia/

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<a href="https://environment.statizoid.com/compare/sheep-amount-excreted-in-manure-n-content-per-unit-of-gdp/portugal/zambia/">Portugal vs Zambia: Sheep — Amount excreted in manure (N content), per unit of GDP</a> — Statizoid

About this data

Indicator: Sheep — Amount excreted in manure (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: 07 October 2026

Sheep — Amount excreted in manure (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.