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

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

Where does this data come from?

Statizoid (derived), published as Swine — Manure applied to soils (N content), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Sierra Leone vs Zambia: Swine — Manure applied to soils (N content), per unit of GDP

Sierra Leone

0.0005 kg per US$ of GDP

in 2023

Zambia

0.0006 kg per US$ of GDP

in 2023

Sierra Leone rank

20th

Zambia rank

18th

Swine — Manure applied to soils (N content), per unit of GDP over time

Sierra Leone
Zambia

How they compare

Zambia currently reports 0.0006 kg per US$ of GDP against 0.0005 kg per US$ of GDP in Sierra Leone, a difference of 0.0001 kg per US$ of GDP.

That makes Zambia's figure about 1.2 times Sierra Leone's.

The two have swapped places 2 times across 63 shared years of data; in 1961 it was Zambia ahead.

Sierra Leone ranks 20th and Zambia ranks 18th of 149 countries.

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

Head to head by decade

Decade	Sierra Leone	Zambia	Difference	Ahead
1960s	0.0008 kg per US$ of GDP	0.0011 kg per US$ of GDP	0.0003 kg per US$ of GDP	Zambia
1970s	0.0006 kg per US$ of GDP	0.0009 kg per US$ of GDP	0.0004 kg per US$ of GDP	Zambia
1980s	0.0007 kg per US$ of GDP	0.001 kg per US$ of GDP	0.0003 kg per US$ of GDP	Zambia
1990s	0.0009 kg per US$ of GDP	0.0012 kg per US$ of GDP	0.0003 kg per US$ of GDP	Zambia
2000s	0.0002 kg per US$ of GDP	0.0007 kg per US$ of GDP	0.0005 kg per US$ of GDP	Zambia
2010s	0.0003 kg per US$ of GDP	0.0006 kg per US$ of GDP	0.0004 kg per US$ of GDP	Zambia
2020s	0.0005 kg per US$ of GDP	0.0007 kg per US$ of GDP	0.0002 kg per US$ of GDP	Zambia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher swine — manure applied to soils (n content), per unit of gdp, Sierra Leone or Zambia?: Zambia, at 0.0006 kg per US$ of GDP against 0.0005 kg per US$ of GDP in Sierra Leone as of 2023.
What is the difference in swine — manure applied to soils (n content), per unit of gdp between Sierra Leone and Zambia?: 0.0001 kg per US$ of GDP, with Zambia ahead.
How many years of comparable data are there for Sierra Leone and Zambia?: 63 years are reported by both, from 1961 to 2023.
How do Sierra Leone and Zambia rank globally for swine — manure applied to soils (n content), per unit of gdp?: Sierra Leone ranks 20th and Zambia ranks 18th of 149 countries.
Where does this data come from?: Statizoid (derived), published as Swine — Manure applied to soils (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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Sierra Leone vs Zambia: Swine — Manure applied to soils (N content), per unit of GDP. Statizoid, drawing on Statizoid (derived). Retrieved 02 October 2026, from https://environment.statizoid.com/compare/swine-manure-applied-to-soils-n-content-per-unit-of-gdp/sierra-leone/zambia/

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<a href="https://environment.statizoid.com/compare/swine-manure-applied-to-soils-n-content-per-unit-of-gdp/sierra-leone/zambia/">Sierra Leone vs Zambia: Swine — Manure applied to soils (N content), per unit of GDP</a> — Statizoid

About this data

Indicator: Swine — Manure applied to soils (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: 26 September 2026

Swine — Manure applied to soils (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.