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

49 years are reported by both, from 1975 to 2023.

Where does this data come from?

Statizoid (derived), published as Chickens — 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 Tonga: Chickens — Manure applied to soils (N content), per unit of GDP (unit)

Sierra Leone

0.0003 kg per US$ of GDP

in 2023

Tonga

0.0002 kg per US$ of GDP

in 2023

Sierra Leone rank

19th

Tonga rank

22nd

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

Sierra Leone
Tonga

How they compare

Sierra Leone currently reports 0.0003 kg per US$ of GDP against 0.0002 kg per US$ of GDP in Tonga, a difference of 0.0001 kg per US$ of GDP.

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

The two have swapped places 3 times across 49 shared years of data; in 1975 it was Tonga ahead.

Sierra Leone ranks 19th and Tonga ranks 22nd of 167 countries.

Across the 6 decades both report, Sierra Leone averaged higher in 2 and Tonga in 4.

Head to head by decade

Decade	Sierra Leone	Tonga	Difference	Ahead
1970s	0.0004 kg per US$ of GDP	0.0015 kg per US$ of GDP	0.0011 kg per US$ of GDP	Tonga
1980s	0.0005 kg per US$ of GDP	0.0013 kg per US$ of GDP	0.0008 kg per US$ of GDP	Tonga
1990s	0.0007 kg per US$ of GDP	0.0006 kg per US$ of GDP	0.0001 kg per US$ of GDP	Sierra Leone
2000s	0.0002 kg per US$ of GDP	0.0005 kg per US$ of GDP	0.0003 kg per US$ of GDP	Tonga
2010s	0.0002 kg per US$ of GDP	0.0003 kg per US$ of GDP	0.0001 kg per US$ of GDP	Tonga
2020s	0.0003 kg per US$ of GDP	0.0002 kg per US$ of GDP	0 kg per US$ of GDP	Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher chickens — manure applied to soils (n content), per unit of gdp, Sierra Leone or Tonga?: Sierra Leone, at 0.0003 kg per US$ of GDP against 0.0002 kg per US$ of GDP in Tonga as of 2023.
What is the difference in chickens — manure applied to soils (n content), per unit of gdp between Sierra Leone and Tonga?: 0.0001 kg per US$ of GDP, with Sierra Leone ahead.
How many years of comparable data are there for Sierra Leone and Tonga?: 49 years are reported by both, from 1975 to 2023.
How do Sierra Leone and Tonga rank globally for chickens — manure applied to soils (n content), per unit of gdp?: Sierra Leone ranks 19th and Tonga ranks 22nd of 167 countries.
Where does this data come from?: Statizoid (derived), published as Chickens — 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.

Individual pages

Share, cite or embed this page

Cite this page

Sierra Leone vs Tonga: Chickens — Manure applied to soils (N content), per unit of GDP. Statizoid, drawing on Statizoid (derived). Retrieved 11 October 2026, from https://environment.statizoid.com/compare/chickens-manure-applied-to-soils-n-content-per-unit-of-gdp/sierra-leone/tonga/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under Derived by Statizoid from the sources named on the page; please keep the attribution.

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

About this data

Indicator: Chickens — 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: 169 places, 9,049 data points, 1961–2023
Last refreshed: 03 October 2026

Chickens — 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.