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

41 years are reported by both, from 1980 to 2020.

Where does this data come from?

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

Bulgaria vs China: Chickens, layers: Manure applied to soils … applied unit GDP leaches

Bulgaria

0 kg per US$ of GDP

in 2020

China

0 kg per US$ of GDP

in 2023

Bulgaria rank

43rd

China rank

40th

Chickens, layers: Manure applied to soils … applied unit GDP leaches over time

Bulgaria
China

How they compare

China currently reports 0 kg per US$ of GDP against 0 kg per US$ of GDP in Bulgaria, a difference of 0 kg per US$ of GDP.

That makes China's figure about 1.1 times Bulgaria's.

The two have swapped places 2 times across 41 shared years of data; in 1980 it was China ahead.

Bulgaria ranks 43rd and China ranks 40th of 167 countries.

China has averaged higher in every one of the 5 decades both report.

Head to head by decade

Decade	Bulgaria	China	Difference	Ahead
1980s	0.0001 kg per US$ of GDP	0.0002 kg per US$ of GDP	0.0001 kg per US$ of GDP	China
1990s	0.0001 kg per US$ of GDP	0.0002 kg per US$ of GDP	0 kg per US$ of GDP	China
2000s	0.0001 kg per US$ of GDP	0.0001 kg per US$ of GDP	0 kg per US$ of GDP	China
2010s	0 kg per US$ of GDP	0 kg per US$ of GDP	0 kg per US$ of GDP	China
2020s	0 kg per US$ of GDP	0 kg per US$ of GDP	0 kg per US$ of GDP	China

Averages of every year both report within each decade.

Frequently asked questions

Which has higher chickens, layers — manure applied to soils that leaches (n content), Bulgaria or China?: China, at 0 kg per US$ of GDP against 0 kg per US$ of GDP in Bulgaria as of 2023.
What is the difference in chickens, layers — manure applied to soils that leaches (n content) between Bulgaria and China?: 0 kg per US$ of GDP, with China ahead.
How many years of comparable data are there for Bulgaria and China?: 41 years are reported by both, from 1980 to 2020.
How do Bulgaria and China rank globally for chickens, layers — manure applied to soils that leaches (n content)?: Bulgaria ranks 43rd and China ranks 40th of 167 countries.
Where does this data come from?: Statizoid (derived), published as Chickens, layers — Manure applied to soils that leaches (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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Bulgaria vs China: Chickens, layers — Manure applied to soils that leaches (N content). Statizoid, drawing on Statizoid (derived). Retrieved 11 October 2026, from https://environment.statizoid.com/compare/chickens-layers-manure-applied-to-soils-that-leaches-n-content-per-unit-of-gdp/bulgaria/china/

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<a href="https://environment.statizoid.com/compare/chickens-layers-manure-applied-to-soils-that-leaches-n-content-per-unit-of-gdp/bulgaria/china/">Bulgaria vs China: Chickens, layers — Manure applied to soils that leaches (N content)</a> — Statizoid

About this data

Indicator: Chickens, layers — Manure applied to soils that leaches (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: 09 October 2026

Chickens, layers — Manure applied to soils that leaches (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.