Niger vs Sierra Leone: Life expectancy at age 15

Niger

75.36 years

in 2100

Sierra Leone

74.45 years

in 2100

Niger rank

221st

Sierra Leone rank

223rd

Life expectancy at age 15 over time

Niger currently reports 75.36 years against 74.45 years in Sierra Leone, a difference of 0.914 years.

The two have swapped places 1 time across 151 shared years of data; in 1950 it was Sierra Leone ahead.

Globally, Niger ranks 221st and Sierra Leone ranks 223rd of 236 countries.

Indicator: Life expectancy at age 15
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, 36,894 data points, 1751–2100
Last refreshed: 06 August 2026

The total period life expectancy at age 15, in a given year.