How many years of comparable data are there for Guinea-Bissau and Iceland?

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

Where does this data come from?

Statizoid (derived), published as Chickens, layers — Manure applied to soils that volatilises (N content), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Guinea-Bissau vs Iceland: Chickens, layers … applied soils that square kilometre volatilises

Guinea-Bissau

0.2271 kg per square kilometre

in 2023

Iceland

0.225 kg per square kilometre

in 2023

Guinea-Bissau rank

144th

Iceland rank

145th

Chickens, layers … applied soils that square kilometre volatilises over time

Guinea-Bissau
Iceland

How they compare

Guinea-Bissau currently reports 0.2271 kg per square kilometre against 0.225 kg per square kilometre in Iceland, a difference of 0.0021 kg per square kilometre.

The two have swapped places 1 time across 63 shared years of data; in 1961 it was Iceland ahead.

Guinea-Bissau ranks 144th and Iceland ranks 145th of 168 countries.

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

Head to head by decade

Decade	Guinea-Bissau	Iceland	Difference	Ahead
1960s	0.0252 kg per square kilometre	0.1148 kg per square kilometre	0.0896 kg per square kilometre	Iceland
1970s	0.0353 kg per square kilometre	0.2411 kg per square kilometre	0.2058 kg per square kilometre	Iceland
1980s	0.0637 kg per square kilometre	0.3446 kg per square kilometre	0.2809 kg per square kilometre	Iceland
1990s	0.1027 kg per square kilometre	0.2144 kg per square kilometre	0.1117 kg per square kilometre	Iceland
2000s	0.1742 kg per square kilometre	0.2107 kg per square kilometre	0.0365 kg per square kilometre	Iceland
2010s	0.2196 kg per square kilometre	0.2611 kg per square kilometre	0.0414 kg per square kilometre	Iceland
2020s	0.227 kg per square kilometre	0.2284 kg per square kilometre	0.0014 kg per square kilometre	Iceland

Averages of every year both report within each decade.

Frequently asked questions

Which has higher chickens, layers — manure applied to soils that volatilises (n), Guinea-Bissau or Iceland?: Guinea-Bissau, at 0.2271 kg per square kilometre against 0.225 kg per square kilometre in Iceland as of 2023.
What is the difference in chickens, layers — manure applied to soils that volatilises (n) between Guinea-Bissau and Iceland?: 0.0021 kg per square kilometre, with Guinea-Bissau ahead.
How many years of comparable data are there for Guinea-Bissau and Iceland?: 63 years are reported by both, from 1961 to 2023.
How do Guinea-Bissau and Iceland rank globally for chickens, layers — manure applied to soils that volatilises (n)?: Guinea-Bissau ranks 144th and Iceland ranks 145th of 168 countries.
Where does this data come from?: Statizoid (derived), published as Chickens, layers — Manure applied to soils that volatilises (N content), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Guinea-Bissau vs Iceland: Chickens, layers — Manure applied to soils that volatilises (N). Statizoid, drawing on Statizoid (derived). Retrieved 11 October 2026, from https://environment.statizoid.com/compare/chickens-layers-manure-applied-to-soils-that-volatilises-n-content-per-square-kilometre/guinea-bissau/iceland/

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<a href="https://environment.statizoid.com/compare/chickens-layers-manure-applied-to-soils-that-volatilises-n-content-per-square-kilometre/guinea-bissau/iceland/">Guinea-Bissau vs Iceland: Chickens, layers — Manure applied to soils that volatilises (N)</a> — Statizoid

About this data

Indicator: Chickens, layers — Manure applied to soils that volatilises (N content), per square kilometre
Unit: kg per square kilometre
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 170 places, 9,696 data points, 1961–2023
Last refreshed: 09 October 2026

Chickens, layers — Manure applied to soils that volatilises (N content) divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.