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

49 years are reported by both, from 1975 to 2023.

Where does this data come from?

Statizoid (derived), published as Horses — Amount excreted in manure (N content), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Niger vs Tonga: Horses — Amount excreted in manure (N content), per unit of GDP

Niger

0.0006 kg per US$ of GDP

in 2023

Tonga

0.0005 kg per US$ of GDP

in 2023

Niger rank

11th

Tonga rank

14th

Horses — Amount excreted in manure (N content), per unit of GDP over time

Niger
Tonga

How they compare

Niger currently reports 0.0006 kg per US$ of GDP against 0.0005 kg per US$ of GDP in Tonga, a difference of 0.0001 kg per US$ of GDP.

That makes Niger's figure about 1.2 times Tonga's.

The two have swapped places 4 times across 49 shared years of data; in 1975 it was Niger ahead.

Niger ranks 11th and Tonga ranks 14th of 143 countries.

Niger has averaged higher in every one of the 6 decades both report.

Head to head by decade

Decade	Niger	Tonga	Difference	Ahead
1970s	0.0084 kg per US$ of GDP	0.0067 kg per US$ of GDP	0.0017 kg per US$ of GDP	Niger
1980s	0.0049 kg per US$ of GDP	0.004 kg per US$ of GDP	0.0009 kg per US$ of GDP	Niger
1990s	0.0031 kg per US$ of GDP	0.0016 kg per US$ of GDP	0.0016 kg per US$ of GDP	Niger
2000s	0.0024 kg per US$ of GDP	0.0012 kg per US$ of GDP	0.0012 kg per US$ of GDP	Niger
2010s	0.001 kg per US$ of GDP	0.0007 kg per US$ of GDP	0.0003 kg per US$ of GDP	Niger
2020s	0.0007 kg per US$ of GDP	0.0006 kg per US$ of GDP	0.0001 kg per US$ of GDP	Niger

Averages of every year both report within each decade.

Frequently asked questions

Which has higher horses — amount excreted in manure (n content), per unit of gdp, Niger or Tonga?: Niger, at 0.0006 kg per US$ of GDP against 0.0005 kg per US$ of GDP in Tonga as of 2023.
What is the difference in horses — amount excreted in manure (n content), per unit of gdp between Niger and Tonga?: 0.0001 kg per US$ of GDP, with Niger ahead.
How many years of comparable data are there for Niger and Tonga?: 49 years are reported by both, from 1975 to 2023.
How do Niger and Tonga rank globally for horses — amount excreted in manure (n content), per unit of gdp?: Niger ranks 11th and Tonga ranks 14th of 143 countries.
Where does this data come from?: Statizoid (derived), published as Horses — Amount excreted in manure (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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Niger vs Tonga: Horses — Amount excreted in manure (N content), per unit of GDP. Statizoid, drawing on Statizoid (derived). Retrieved 11 October 2026, from https://environment.statizoid.com/compare/horses-amount-excreted-in-manure-n-content-per-unit-of-gdp/niger/tonga/

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<a href="https://environment.statizoid.com/compare/horses-amount-excreted-in-manure-n-content-per-unit-of-gdp/niger/tonga/">Niger vs Tonga: Horses — Amount excreted in manure (N content), per unit of GDP</a> — Statizoid

About this data

Indicator: Horses — Amount excreted in manure (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: 145 places, 7,594 data points, 1961–2023
Last refreshed: 08 October 2026

Horses — Amount excreted in manure (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.