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 All Animals — Manure applied to soils that volatilises (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: All Animals: Manure applied to soils … applied unit GDP volatilises

Sierra Leone

0.0002 kg per US$ of GDP

in 2023

Tonga

0.0002 kg per US$ of GDP

in 2023

Sierra Leone rank

33rd

Tonga rank

30th

All Animals: Manure applied to soils … applied unit GDP volatilises over time

Sierra Leone
Tonga

How they compare

Tonga currently reports 0.0002 kg per US$ of GDP against 0.0002 kg per US$ of GDP in Sierra Leone, a difference of 0 kg per US$ of GDP.

Across all 49 years both countries report, Tonga has been ahead every year.

Sierra Leone ranks 33rd and Tonga ranks 30th of 169 countries.

Tonga has averaged higher in every one of the 6 decades both report.

Head to head by decade

Decade	Sierra Leone	Tonga	Difference	Ahead
1970s	0.0004 kg per US$ of GDP	0.0031 kg per US$ of GDP	0.0027 kg per US$ of GDP	Tonga
1980s	0.0004 kg per US$ of GDP	0.002 kg per US$ of GDP	0.0017 kg per US$ of GDP	Tonga
1990s	0.0005 kg per US$ of GDP	0.0008 kg per US$ of GDP	0.0003 kg per US$ of GDP	Tonga
2000s	0.0002 kg per US$ of GDP	0.0006 kg per US$ of GDP	0.0004 kg per US$ of GDP	Tonga
2010s	0.0002 kg per US$ of GDP	0.0003 kg per US$ of GDP	0.0002 kg per US$ of GDP	Tonga
2020s	0.0002 kg per US$ of GDP	0.0003 kg per US$ of GDP	0 kg per US$ of GDP	Tonga

Averages of every year both report within each decade.

Frequently asked questions

Which has higher all animals — manure applied to soils that volatilises (n content), Sierra Leone or Tonga?: Tonga, at 0.0002 kg per US$ of GDP against 0.0002 kg per US$ of GDP in Sierra Leone as of 2023.
What is the difference in all animals — manure applied to soils that volatilises (n content) between Sierra Leone and Tonga?: 0 kg per US$ of GDP, with Tonga 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 all animals — manure applied to soils that volatilises (n content)?: Sierra Leone ranks 33rd and Tonga ranks 30th of 169 countries.
Where does this data come from?: Statizoid (derived), published as All Animals — Manure applied to soils that volatilises (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 Tonga: All Animals — Manure applied to soils that volatilises (N content). Statizoid, drawing on Statizoid (derived). Retrieved 11 October 2026, from https://environment.statizoid.com/compare/all-animals-manure-applied-to-soils-that-volatilises-n-content-per-unit-of-gdp/sierra-leone/tonga/

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<a href="https://environment.statizoid.com/compare/all-animals-manure-applied-to-soils-that-volatilises-n-content-per-unit-of-gdp/sierra-leone/tonga/">Sierra Leone vs Tonga: All Animals — Manure applied to soils that volatilises (N content)</a> — Statizoid

About this data

Indicator: All Animals — Manure applied to soils that volatilises (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: 171 places, 9,202 data points, 1961–2023
Last refreshed: 05 October 2026

All Animals — Manure applied to soils that volatilises (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.