How many years of comparable data are there for Bulgaria and Samoa?

60 years are reported by both, from 1961 to 2020.

Where does this data come from?

Statizoid (derived), published as Chickens, layers — Manure left on pasture that volatilises (N content), per capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Bulgaria vs Samoa: Chickens, layers: Manure left on pasture … left capita volatilises

Bulgaria

0.0011 kg per person

in 2020

Samoa

0.0011 kg per person

in 2023

Bulgaria rank

161st

Samoa rank

159th

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

Bulgaria
Samoa

How they compare

Samoa currently reports 0.0011 kg per person against 0.0011 kg per person in Bulgaria, a difference of 0 kg per person.

The two have swapped places 1 time across 60 shared years of data; in 1961 it was Bulgaria ahead.

Bulgaria ranks 161st and Samoa ranks 159th of 168 countries.

Across the 7 decades both report, Bulgaria averaged higher in 4 and Samoa in 3.

Head to head by decade

Decade	Bulgaria	Samoa	Difference	Ahead
1960s	0.0022 kg per person	0.0008 kg per person	0.0013 kg per person	Bulgaria
1970s	0.0022 kg per person	0.0007 kg per person	0.0015 kg per person	Bulgaria
1980s	0.002 kg per person	0.0007 kg per person	0.0013 kg per person	Bulgaria
1990s	0.0013 kg per person	0.0009 kg per person	0.0004 kg per person	Bulgaria
2000s	0.0011 kg per person	0.0011 kg per person	0 kg per person	Samoa
2010s	0.0009 kg per person	0.0012 kg per person	0.0003 kg per person	Samoa
2020s	0.0011 kg per person	0.0012 kg per person	0.0001 kg per person	Samoa

Averages of every year both report within each decade.

Frequently asked questions

Which has higher chickens, layers — manure left on pasture that volatilises (n), Bulgaria or Samoa?: Samoa, at 0.0011 kg per person against 0.0011 kg per person in Bulgaria as of 2023.
What is the difference in chickens, layers — manure left on pasture that volatilises (n) between Bulgaria and Samoa?: 0 kg per person, with Samoa ahead.
How many years of comparable data are there for Bulgaria and Samoa?: 60 years are reported by both, from 1961 to 2020.
How do Bulgaria and Samoa rank globally for chickens, layers — manure left on pasture that volatilises (n)?: Bulgaria ranks 161st and Samoa ranks 159th of 168 countries.
Where does this data come from?: Statizoid (derived), published as Chickens, layers — Manure left on pasture that volatilises (N content), per capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Samoa: Chickens, layers — Manure left on pasture that volatilises (N). Statizoid, drawing on Statizoid (derived). Retrieved 11 October 2026, from https://environment.statizoid.com/compare/chickens-layers-manure-left-on-pasture-that-volatilises-n-content-per-capita/bulgaria/samoa/

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<a href="https://environment.statizoid.com/compare/chickens-layers-manure-left-on-pasture-that-volatilises-n-content-per-capita/bulgaria/samoa/">Bulgaria vs Samoa: 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 capita
Unit: kg per person
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: 10 October 2026

Chickens, layers — Manure left on pasture that volatilises (N content) divided by Population, total, matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.