Which has higher life expectancy at birth, projections, Niger or Sierra Leone?

Niger, at 73.06 years against 72.03 years in Sierra Leone as of 2100.

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

77 years are reported by both, from 2024 to 2100.

Where does this data come from?

UN, World Population Prospects (2024) – processed by Our World in Data, published as Life expectancy at birth, projections. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Niger vs Sierra Leone: Life expectancy at birth, projections

Niger

73.06 years

in 2100

Sierra Leone

72.03 years

in 2100

Niger rank

222nd

Sierra Leone rank

223rd

Life expectancy at birth, projections over time

Niger
Sierra Leone

How they compare

Niger currently reports 73.06 years against 72.03 years in Sierra Leone, a difference of 1.03 years.

The two have swapped places 1 time across 77 shared years of data; in 2024 it was Sierra Leone ahead.

Niger ranks 222nd and Sierra Leone ranks 223rd of 236 countries.

Across the 9 decades both report, Niger averaged higher in 7 and Sierra Leone in 2.

Head to head by decade

Decade	Niger	Sierra Leone	Difference	Ahead
2020s	62 years	62.41 years	0.4147 years	Sierra Leone
2030s	63.71 years	63.74 years	0.0266 years	Sierra Leone
2040s	65.58 years	65.24 years	0.3412 years	Niger
2050s	67.21 years	66.57 years	0.646 years	Niger
2060s	68.63 years	67.84 years	0.7849 years	Niger
2070s	69.93 years	69.07 years	0.86 years	Niger
2080s	71.19 years	70.23 years	0.9642 years	Niger
2090s	72.41 years	71.38 years	1.02 years	Niger
2100s	73.06 years	72.03 years	1.03 years	Niger

Averages of every year both report within each decade.

Frequently asked questions

Which has higher life expectancy at birth, projections, Niger or Sierra Leone?: Niger, at 73.06 years against 72.03 years in Sierra Leone as of 2100.
What is the difference in life expectancy at birth, projections between Niger and Sierra Leone?: 1.03 years, with Niger ahead.
How many years of comparable data are there for Niger and Sierra Leone?: 77 years are reported by both, from 2024 to 2100.
How do Niger and Sierra Leone rank globally for life expectancy at birth, projections?: Niger ranks 222nd and Sierra Leone ranks 223rd of 236 countries.
Where does this data come from?: UN, World Population Prospects (2024) – processed by Our World in Data, published as Life expectancy at birth, projections. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Niger vs Sierra Leone: Life expectancy at birth, projections. Statizoid, drawing on UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 22 September 2026, from https://health.statizoid.com/compare/future-life-expectancy-projections/niger/sierra-leone/

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<a href="https://health.statizoid.com/compare/future-life-expectancy-projections/niger/sierra-leone/">Niger vs Sierra Leone: Life expectancy at birth, projections</a> — Statizoid

About this data

Indicator: Life expectancy at birth, projections
Unit: years
Source: UN, World Population Prospects (2024) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 236 places, 18,172 data points, 2024–2100
Last refreshed: 18 September 2026

Period life expectancy at birth. Future projections are based on the UN's medium scenario.