How many years of comparable data are there for Samoa 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 left on pasture that volatilises (N content), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Samoa vs Tonga: All Animals: Manure left on pasture … left unit GDP volatilises

Samoa

0.0005 kg per US$ of GDP

in 2023

Tonga

0.0004 kg per US$ of GDP

in 2023

Samoa rank

65th

Tonga rank

68th

All Animals: Manure left on pasture … left unit GDP volatilises over time

Samoa
Tonga

How they compare

Samoa currently reports 0.0005 kg per US$ of GDP against 0.0004 kg per US$ of GDP in Tonga, a difference of 0.0001 kg per US$ of GDP.

That makes Samoa's figure about 1.1 times Tonga's.

The two have swapped places 5 times across 49 shared years of data; in 1975 it was Tonga ahead.

Samoa ranks 65th and Tonga ranks 68th of 169 countries.

Across the 6 decades both report, Samoa averaged higher in 3 and Tonga in 3.

Head to head by decade

Decade	Samoa	Tonga	Difference	Ahead
1970s	0.0032 kg per US$ of GDP	0.0044 kg per US$ of GDP	0.0012 kg per US$ of GDP	Tonga
1980s	0.0025 kg per US$ of GDP	0.0029 kg per US$ of GDP	0.0004 kg per US$ of GDP	Tonga
1990s	0.0017 kg per US$ of GDP	0.0012 kg per US$ of GDP	0.0005 kg per US$ of GDP	Samoa
2000s	0.0009 kg per US$ of GDP	0.0009 kg per US$ of GDP	0 kg per US$ of GDP	Tonga
2010s	0.0007 kg per US$ of GDP	0.0005 kg per US$ of GDP	0.0001 kg per US$ of GDP	Samoa
2020s	0.0005 kg per US$ of GDP	0.0004 kg per US$ of GDP	0.0001 kg per US$ of GDP	Samoa

Averages of every year both report within each decade.

Frequently asked questions

Which has higher all animals — manure left on pasture that volatilises (n content), Samoa or Tonga?: Samoa, at 0.0005 kg per US$ of GDP against 0.0004 kg per US$ of GDP in Tonga as of 2023.
What is the difference in all animals — manure left on pasture that volatilises (n content) between Samoa and Tonga?: 0.0001 kg per US$ of GDP, with Samoa ahead.
How many years of comparable data are there for Samoa and Tonga?: 49 years are reported by both, from 1975 to 2023.
How do Samoa and Tonga rank globally for all animals — manure left on pasture that volatilises (n content)?: Samoa ranks 65th and Tonga ranks 68th of 169 countries.
Where does this data come from?: Statizoid (derived), published as All Animals — Manure left on pasture 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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Samoa vs Tonga: All Animals — Manure left on pasture that volatilises (N content). Statizoid, drawing on Statizoid (derived). Retrieved 11 October 2026, from https://environment.statizoid.com/compare/all-animals-manure-left-on-pasture-that-volatilises-n-content-per-unit-of-gdp/samoa/tonga/

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<a href="https://environment.statizoid.com/compare/all-animals-manure-left-on-pasture-that-volatilises-n-content-per-unit-of-gdp/samoa/tonga/">Samoa vs Tonga: All Animals — Manure left on pasture that volatilises (N content)</a> — Statizoid

About this data

Indicator: All Animals — Manure left on pasture 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: 06 October 2026

All Animals — Manure left on pasture 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.