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

45 years are reported by both, from 1979 to 2023.

Where does this data come from?

Statizoid (derived), published as Chickens, layers — 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.

Tonga vs Vanuatu: Chickens, layers: Manure left on pasture … left unit GDP volatilises

Tonga

0 kg per US$ of GDP

in 2023

Vanuatu

0 kg per US$ of GDP

in 2023

Tonga rank

118th

Vanuatu rank

121st

Chickens, layers: Manure left on pasture … left unit GDP volatilises over time

Tonga
Vanuatu

How they compare

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

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

The two have swapped places 6 times across 45 shared years of data; in 1979 it was Tonga ahead.

Tonga ranks 118th and Vanuatu ranks 121st of 167 countries.

Across the 6 decades both report, Tonga averaged higher in 5 and Vanuatu in 1.

Head to head by decade

Decade	Tonga	Vanuatu	Difference	Ahead
1970s	0 kg per US$ of GDP	0 kg per US$ of GDP	0 kg per US$ of GDP	Tonga
1980s	0 kg per US$ of GDP	0 kg per US$ of GDP	0 kg per US$ of GDP	Tonga
1990s	0 kg per US$ of GDP	0 kg per US$ of GDP	0 kg per US$ of GDP	Tonga
2000s	0 kg per US$ of GDP	0 kg per US$ of GDP	0 kg per US$ of GDP	Tonga
2010s	0 kg per US$ of GDP	0 kg per US$ of GDP	0 kg per US$ of GDP	Vanuatu
2020s	0 kg per US$ of GDP	0 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 chickens, layers — manure left on pasture that volatilises (n), Tonga or Vanuatu?: Tonga, at 0 kg per US$ of GDP against 0 kg per US$ of GDP in Vanuatu as of 2023.
What is the difference in chickens, layers — manure left on pasture that volatilises (n) between Tonga and Vanuatu?: 0 kg per US$ of GDP, with Tonga ahead.
How many years of comparable data are there for Tonga and Vanuatu?: 45 years are reported by both, from 1979 to 2023.
How do Tonga and Vanuatu rank globally for chickens, layers — manure left on pasture that volatilises (n)?: Tonga ranks 118th and Vanuatu ranks 121st of 167 countries.
Where does this data come from?: Statizoid (derived), published as Chickens, layers — 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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Tonga vs Vanuatu: Chickens, layers — Manure left on pasture that volatilises (N). Statizoid, drawing on Statizoid (derived). Retrieved 10 October 2026, from https://environment.statizoid.com/compare/chickens-layers-manure-left-on-pasture-that-volatilises-n-content-per-unit-of-gdp/tonga/vanuatu/

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<a href="https://environment.statizoid.com/compare/chickens-layers-manure-left-on-pasture-that-volatilises-n-content-per-unit-of-gdp/tonga/vanuatu/">Tonga vs Vanuatu: Chickens, layers — Manure left on pasture that volatilises (N)</a> — Statizoid

About this data

Indicator: Chickens, layers — 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: 169 places, 9,049 data points, 1961–2023
Last refreshed: 10 October 2026

Chickens, layers — 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.