How many years of comparable data are there for Benin 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 Life expectancy versus lifespan inequality. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Benin vs Sierra Leone: Life expectancy versus lifespan inequality

Benin

0.2208

in 2023

Sierra Leone

0.2045

in 2023

Benin rank

9th

Sierra Leone rank

12th

Life expectancy versus lifespan inequality over time

Benin
Sierra Leone

How they compare

Benin currently reports 0.2208 against 0.2045 in Sierra Leone, a difference of 0.0163.

That makes Benin's figure about 1.1 times Sierra Leone's.

The two have swapped places 1 time across 74 shared years of data; in 1950 it was Sierra Leone ahead.

Benin ranks 9th and Sierra Leone ranks 12th of 236 countries.

Across the 8 decades both report, Benin averaged higher in 1 and Sierra Leone in 7.

Head to head by decade

Decade	Benin	Sierra Leone	Difference	Ahead
1950s	0.4662	0.5459	0.0797	Sierra Leone
1960s	0.4246	0.4912	0.0666	Sierra Leone
1970s	0.3773	0.4352	0.0579	Sierra Leone
1980s	0.3261	0.4017	0.0756	Sierra Leone
1990s	0.282	0.3933	0.1113	Sierra Leone
2000s	0.2604	0.3455	0.0851	Sierra Leone
2010s	0.2423	0.2687	0.0264	Sierra Leone
2020s	0.2251	0.2134	0.0116	Benin

Averages of every year both report within each decade.

Frequently asked questions

Which has higher life expectancy versus lifespan inequality, Benin or Sierra Leone?: Benin, at 0.2208 against 0.2045 in Sierra Leone as of 2023.
What is the difference in life expectancy versus lifespan inequality between Benin and Sierra Leone?: 0.0163, with Benin ahead.
How many years of comparable data are there for Benin and Sierra Leone?: 74 years are reported by both, from 1950 to 2023.
How do Benin and Sierra Leone rank globally for life expectancy versus lifespan inequality?: Benin ranks 9th and Sierra Leone ranks 12th 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 Life expectancy versus lifespan inequality. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Benin vs Sierra Leone: Life expectancy versus lifespan inequality. Statizoid, drawing on Human Mortality Database (2025); Aburto et al. (2023) – with major processing by Our World in Data. Retrieved 30 August 2026, from https://health.statizoid.com/compare/life-expectancy-versus-gini-lifespan-inequality/benin/sierra-leone/

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<a href="https://health.statizoid.com/compare/life-expectancy-versus-gini-lifespan-inequality/benin/sierra-leone/">Benin vs Sierra Leone: Life expectancy versus lifespan inequality</a> — Statizoid

About this data

Indicator: Life expectancy versus lifespan inequality
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, 17,464 data points, 1950–2023
Last refreshed: 28 August 2026

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