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

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

Where does this data come from?

Statizoid (derived), published as Nutrient nitrogen N (total) — Indirect emissions (N2O that volatilises) (Synthetic fertilizers), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Senegal vs Sierra Leone: Nutrient nitrogen N (total) — Indirect emissions (N2O that)

Senegal

0 kt per square kilometre

in 2023

Sierra Leone

0 kt per square kilometre

in 2023

Senegal rank

134th

Sierra Leone rank

137th

Nutrient nitrogen N (total) — Indirect emissions (N2O that) over time

Senegal
Sierra Leone

How they compare

Senegal currently reports 0 kt per square kilometre against 0 kt per square kilometre in Sierra Leone, a difference of 0 kt per square kilometre.

That makes Senegal's figure about 1.2 times Sierra Leone's.

The two have swapped places 6 times across 63 shared years of data; in 1961 it was Senegal ahead.

Senegal ranks 134th and Sierra Leone ranks 137th of 176 countries.

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

Head to head by decade

Decade	Senegal	Sierra Leone	Difference	Ahead
1960s	0 kt per square kilometre	0 kt per square kilometre	0 kt per square kilometre	Senegal
1970s	0 kt per square kilometre	0 kt per square kilometre	0 kt per square kilometre	Senegal
1980s	0 kt per square kilometre	0 kt per square kilometre	0 kt per square kilometre	Senegal
1990s	0 kt per square kilometre	0 kt per square kilometre	0 kt per square kilometre	Senegal
2000s	0 kt per square kilometre	0 kt per square kilometre	0 kt per square kilometre	Senegal
2010s	0 kt per square kilometre	0 kt per square kilometre	0 kt per square kilometre	Senegal
2020s	0 kt per square kilometre	0 kt per square kilometre	0 kt per square kilometre	Senegal

Averages of every year both report within each decade.

Frequently asked questions

Which has higher nutrient nitrogen n (total) — indirect emissions (n2o that), Senegal or Sierra Leone?: Senegal, at 0 kt per square kilometre against 0 kt per square kilometre in Sierra Leone as of 2023.
What is the difference in nutrient nitrogen n (total) — indirect emissions (n2o that) between Senegal and Sierra Leone?: 0 kt per square kilometre, with Senegal ahead.
How many years of comparable data are there for Senegal and Sierra Leone?: 63 years are reported by both, from 1961 to 2023.
How do Senegal and Sierra Leone rank globally for nutrient nitrogen n (total) — indirect emissions (n2o that)?: Senegal ranks 134th and Sierra Leone ranks 137th of 176 countries.
Where does this data come from?: Statizoid (derived), published as Nutrient nitrogen N (total) — Indirect emissions (N2O that volatilises) (Synthetic fertilizers), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Senegal vs Sierra Leone: Nutrient nitrogen N (total) — Indirect emissions (N2O that). Statizoid, drawing on Statizoid (derived). Retrieved 10 September 2026, from https://climate.statizoid.com/compare/nutrient-nitrogen-n-total-indirect-emissions-n2o-that-volatilises-synthetic-fertilizers-4/senegal/sierra-leone/

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<a href="https://climate.statizoid.com/compare/nutrient-nitrogen-n-total-indirect-emissions-n2o-that-volatilises-synthetic-fertilizers-4/senegal/sierra-leone/">Senegal vs Sierra Leone: Nutrient nitrogen N (total) — Indirect emissions (N2O that)</a> — Statizoid

About this data

Indicator: Nutrient nitrogen N (total) — Indirect emissions (N2O that volatilises) (Synthetic fertilizers), per square kilometre
Unit: kt per square kilometre
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 178 places, 9,865 data points, 1961–2023
Last refreshed: 06 September 2026

Nutrient nitrogen N (total) — Indirect emissions (N2O that volatilises) (Synthetic fertilizers) 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.