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 Swine, breeding — Manure management (manure treated, N content), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Portugal vs Zambia: Swine, breeding — Manure management (manure treated, N content), per

Portugal

0 kg per US$ of GDP

in 2023

Zambia

0 kg per US$ of GDP

in 2023

Portugal rank

39th

Zambia rank

38th

Swine, breeding — Manure management (manure treated, N content), per 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 39th and Zambia ranks 38th of 149 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	0.001 kg per US$ of GDP	0 kg per US$ of GDP	0.001 kg per US$ of GDP	Portugal
1970s	0.0004 kg per US$ of GDP	0 kg per US$ of GDP	0.0004 kg per US$ of GDP	Portugal
1980s	0.0003 kg per US$ of GDP	0 kg per US$ of GDP	0.0002 kg per US$ of GDP	Portugal
1990s	0.0001 kg per US$ of GDP	0 kg per US$ of GDP	0 kg per US$ of GDP	Portugal
2000s	0 kg per US$ of GDP	0 kg per US$ of GDP	0 kg per US$ of GDP	Portugal
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 swine, breeding — manure management (manure treated, n content), per, 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 swine, breeding — manure management (manure treated, n content), per 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 swine, breeding — manure management (manure treated, n content), per?: Portugal ranks 39th and Zambia ranks 38th of 149 countries.
Where does this data come from?: Statizoid (derived), published as Swine, breeding — Manure management (manure treated, 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: Swine, breeding — Manure management (manure treated, N content), per. Statizoid, drawing on Statizoid (derived). Retrieved 02 October 2026, from https://environment.statizoid.com/compare/swine-breeding-manure-management-manure-treated-n-content-per-unit-of-gdp/portugal/zambia/

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<a href="https://environment.statizoid.com/compare/swine-breeding-manure-management-manure-treated-n-content-per-unit-of-gdp/portugal/zambia/">Portugal vs Zambia: Swine, breeding — Manure management (manure treated, N content), per</a> — Statizoid

About this data

Indicator: Swine, breeding — Manure management (manure treated, 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: 151 places, 8,190 data points, 1961–2023
Last refreshed: 29 September 2026

Swine, breeding — Manure management (manure treated, 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.