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

74 years are reported by both, from 1950 to 2023.

Where does this data come from?

Human Mortality Database (2025); Aburto et al. (2023) – with major processing by Our World in Data, published as Lifespan inequality: Gini coefficient in men. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Niger vs Sierra Leone: Lifespan inequality: Gini coefficient in men

Niger

0.2324

in 2023

Sierra Leone

0.2255

in 2023

Niger rank

12th

Sierra Leone rank

14th

Lifespan inequality: Gini coefficient in men over time

Niger
Sierra Leone

How they compare

Niger currently reports 0.2324 against 0.2255 in Sierra Leone, a difference of 0.0069.

The two have swapped places 3 times across 74 shared years of data; in 1950 it was Sierra Leone ahead.

Niger ranks 12th and Sierra Leone ranks 14th of 236 countries.

Across the 8 decades both report, Niger averaged higher in 3 and Sierra Leone in 5.

Head to head by decade

Decade	Niger	Sierra Leone	Difference	Ahead
1950s	0.4734	0.574	0.1006	Sierra Leone
1960s	0.473	0.5174	0.0443	Sierra Leone
1970s	0.4766	0.4638	0.0127	Niger
1980s	0.4511	0.429	0.0222	Niger
1990s	0.4027	0.4186	0.0158	Sierra Leone
2000s	0.3104	0.3573	0.0468	Sierra Leone
2010s	0.2528	0.2797	0.0268	Sierra Leone
2020s	0.2369	0.2324	0.0045	Niger

Averages of every year both report within each decade.

Frequently asked questions

Which has higher lifespan inequality: gini coefficient in men, Niger or Sierra Leone?: Niger, at 0.2324 against 0.2255 in Sierra Leone as of 2023.
What is the difference in lifespan inequality: gini coefficient in men between Niger and Sierra Leone?: 0.0069, with Niger ahead.
How many years of comparable data are there for Niger and Sierra Leone?: 74 years are reported by both, from 1950 to 2023.
How do Niger and Sierra Leone rank globally for lifespan inequality: gini coefficient in men?: Niger ranks 12th and Sierra Leone ranks 14th of 236 countries.
Where does this data come from?: Human Mortality Database (2025); Aburto et al. (2023) – with major processing by Our World in Data, published as Lifespan inequality: Gini coefficient in men. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Niger vs Sierra Leone: Lifespan inequality: Gini coefficient in men. Statizoid, drawing on Human Mortality Database (2025); Aburto et al. (2023) – with major processing by Our World in Data. Retrieved 04 September 2026, from https://poverty.statizoid.com/compare/gini-coefficient-of-lifespan-inequality-in-males/niger/sierra-leone/

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<a href="https://poverty.statizoid.com/compare/gini-coefficient-of-lifespan-inequality-in-males/niger/sierra-leone/">Niger vs Sierra Leone: Lifespan inequality: Gini coefficient in men</a> — Statizoid

About this data

Indicator: Lifespan inequality: Gini coefficient in men
Source: Human Mortality Database (2025); Aburto et al. (2023) – with major processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 236 places, 18,722 data points, 1751–2023
Last refreshed: 28 August 2026

Level of inequality in lifespans, measured between 0 and 1.