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

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

Where does this data come from?

Statizoid (derived), published as Manure applied to Soils — Indirect emissions (N2O), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Sierra Leone vs Tonga: Manure applied to Soils — Indirect emissions (N2O), per unit of GDP

Sierra Leone

0 kt per US$ of GDP

in 2023

Tonga

0 kt per US$ of GDP

in 2023

Sierra Leone rank

33rd

Tonga rank

30th

Manure applied to Soils — Indirect emissions (N2O), per unit of GDP over time

Sierra Leone
Tonga

How they compare

Tonga currently reports 0 kt per US$ of GDP against 0 kt per US$ of GDP in Sierra Leone, a difference of 0 kt per US$ of GDP.

Across all 49 years both countries report, Tonga has been ahead every year.

Sierra Leone ranks 33rd and Tonga ranks 30th of 169 countries.

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

Head to head by decade

Decade	Sierra Leone	Tonga	Difference	Ahead
1970s	0 kt per US$ of GDP	0 kt per US$ of GDP	0 kt per US$ of GDP	Tonga
1980s	0 kt per US$ of GDP	0 kt per US$ of GDP	0 kt per US$ of GDP	Tonga
1990s	0 kt per US$ of GDP	0 kt per US$ of GDP	0 kt per US$ of GDP	Tonga
2000s	0 kt per US$ of GDP	0 kt per US$ of GDP	0 kt per US$ of GDP	Tonga
2010s	0 kt per US$ of GDP	0 kt per US$ of GDP	0 kt per US$ of GDP	Tonga
2020s	0 kt per US$ of GDP	0 kt per US$ of GDP	0 kt per US$ of GDP	Tonga

Averages of every year both report within each decade.

Frequently asked questions

Which has higher manure applied to soils — indirect emissions, per unit of gdp, Sierra Leone or Tonga?: Tonga, at 0 kt per US$ of GDP against 0 kt per US$ of GDP in Sierra Leone as of 2023.
What is the difference in manure applied to soils — indirect emissions, per unit of gdp between Sierra Leone and Tonga?: 0 kt per US$ of GDP, with Tonga ahead.
How many years of comparable data are there for Sierra Leone and Tonga?: 49 years are reported by both, from 1975 to 2023.
How do Sierra Leone and Tonga rank globally for manure applied to soils — indirect emissions, per unit of gdp?: Sierra Leone ranks 33rd and Tonga ranks 30th of 169 countries.
Where does this data come from?: Statizoid (derived), published as Manure applied to Soils — Indirect emissions (N2O), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Sierra Leone vs Tonga: Manure applied to Soils — Indirect emissions, per unit of GDP. Statizoid, drawing on Statizoid (derived). Retrieved 11 October 2026, from https://climate.statizoid.com/compare/manure-applied-to-soils-indirect-emissions-per-unit-of-gdp/sierra-leone/tonga/

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<a href="https://climate.statizoid.com/compare/manure-applied-to-soils-indirect-emissions-per-unit-of-gdp/sierra-leone/tonga/">Sierra Leone vs Tonga: Manure applied to Soils — Indirect emissions, per unit of GDP</a> — Statizoid

About this data

Indicator: Manure applied to Soils — Indirect emissions (N2O), per unit of GDP
Unit: kt per US$ of GDP
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 170 places, 9,139 data points, 1961–2023
Last refreshed: 17 August 2026

Manure applied to Soils — Indirect emissions (N2O) divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.