Which has higher sex gap in life expectancy at age 45, Niger or Sierra Leone?

Sierra Leone, at 2.12 years against 1.85 years in Niger as of 2023.

What is the difference in sex gap in life expectancy at age 45 between Niger and Sierra Leone?

0.27 years, with Sierra Leone ahead.

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); UN, World Population Prospects (2024) – with major processing by Our World in Data, published as Sex gap in life expectancy at age 45. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Niger vs Sierra Leone: Sex gap in life expectancy at age 45

Niger

1.85 years

in 2023

Sierra Leone

2.12 years

in 2023

Niger rank

225th

Sierra Leone rank

223rd

Sex gap in life expectancy at age 45 over time

Niger
Sierra Leone

How they compare

Sierra Leone currently reports 2.12 years against 1.85 years in Niger, a difference of 0.27 years.

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

The two have swapped places 5 times across 74 shared years of data; in 1950 it was Niger ahead.

Niger ranks 225th and Sierra Leone ranks 223rd of 236 countries.

Across the 8 decades both report, Niger averaged higher in 4 and Sierra Leone in 4.

Head to head by decade

Decade	Niger	Sierra Leone	Difference	Ahead
1950s	1.38 years	1.34 years	0.0355 years	Niger
1960s	1.5 years	1.28 years	0.2214 years	Niger
1970s	1.78 years	1.43 years	0.3558 years	Niger
1980s	1.22 years	1.53 years	0.3124 years	Sierra Leone
1990s	1.37 years	1.96 years	0.5895 years	Sierra Leone
2000s	1.38 years	1.64 years	0.2679 years	Sierra Leone
2010s	1.72 years	1.56 years	0.1563 years	Niger
2020s	1.98 years	2.07 years	0.0871 years	Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher sex gap in life expectancy at age 45, Niger or Sierra Leone?: Sierra Leone, at 2.12 years against 1.85 years in Niger as of 2023.
What is the difference in sex gap in life expectancy at age 45 between Niger and Sierra Leone?: 0.27 years, with Sierra Leone 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 sex gap in life expectancy at age 45?: Niger ranks 225th and Sierra Leone ranks 223rd of 236 countries.
Where does this data come from?: Human Mortality Database (2025); UN, World Population Prospects (2024) – with major processing by Our World in Data, published as Sex gap in life expectancy at age 45. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Niger vs Sierra Leone: Sex gap in life expectancy at age 45. Statizoid, drawing on Human Mortality Database (2025); UN, World Population Prospects (2024) – with major processing by Our World in Data. Retrieved 07 September 2026, from https://health.statizoid.com/compare/difference-in-female-and-male-life-expectancy-at-age-45/niger/sierra-leone/

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<a href="https://health.statizoid.com/compare/difference-in-female-and-male-life-expectancy-at-age-45/niger/sierra-leone/">Niger vs Sierra Leone: Sex gap in life expectancy at age 45</a> — Statizoid

About this data

Indicator: Sex gap in life expectancy at age 45
Unit: years
Source: Human Mortality Database (2025); UN, World Population Prospects (2024) – 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

Difference in period life expectancy (females - males) at a given age.