Which has higher life expectancy, Nauru or Sierra Leone?

Nauru, at 62.11 years against 61.79 years in Sierra Leone as of 2023.

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

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

Where does this data come from?

Riley (2005); Zijdeman et al. (2015); HMD (2025); UN WPP (2024) – with major processing by Our World in Data, published as Life expectancy. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Nauru vs Sierra Leone: Life expectancy

Nauru

62.11 years

in 2023

Sierra Leone

61.79 years

in 2023

Nauru rank

222nd

Sierra Leone rank

225th

Life expectancy over time

Nauru
Sierra Leone

How they compare

Nauru currently reports 62.11 years against 61.79 years in Sierra Leone, a difference of 0.32 years.

Across all 74 years both countries report, Nauru has been ahead every year.

Nauru ranks 222nd and Sierra Leone ranks 225th of 236 countries.

Nauru has averaged higher in every one of the 8 decades both report.

Head to head by decade

Decade	Nauru	Sierra Leone	Difference	Ahead
1950s	57.34 years	30.73 years	26.61 years	Nauru
1960s	58.25 years	35.67 years	22.58 years	Nauru
1970s	58.32 years	40.66 years	17.67 years	Nauru
1980s	58.65 years	43.46 years	15.19 years	Nauru
1990s	59.73 years	43.11 years	16.62 years	Nauru
2000s	59.5 years	48.06 years	11.44 years	Nauru
2010s	60.81 years	55.48 years	5.32 years	Nauru
2020s	61.72 years	60.75 years	0.9711 years	Nauru

Averages of every year both report within each decade.

Frequently asked questions

Which has higher life expectancy, Nauru or Sierra Leone?: Nauru, at 62.11 years against 61.79 years in Sierra Leone as of 2023.
What is the difference in life expectancy between Nauru and Sierra Leone?: 0.32 years, with Nauru ahead.
How many years of comparable data are there for Nauru and Sierra Leone?: 74 years are reported by both, from 1950 to 2023.
How do Nauru and Sierra Leone rank globally for life expectancy?: Nauru ranks 222nd and Sierra Leone ranks 225th of 236 countries.
Where does this data come from?: Riley (2005); Zijdeman et al. (2015); HMD (2025); UN WPP (2024) – with major processing by Our World in Data, published as Life expectancy. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Nauru vs Sierra Leone: Life expectancy. Statizoid, drawing on Riley (2005); Zijdeman et al. (2015); HMD (2025); UN WPP (2024) – with major processing by Our World in Data. Retrieved 22 September 2026, from https://health.statizoid.com/compare/life-expectancy/naoero/sierra-leone/

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<a href="https://health.statizoid.com/compare/life-expectancy/naoero/sierra-leone/">Nauru vs Sierra Leone: Life expectancy</a> — Statizoid

About this data

Indicator: Life expectancy
Unit: years
Source: Riley (2005); Zijdeman et al. (2015); HMD (2025); UN WPP (2024) – with major processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 236 places, 19,452 data points, 1543–2023
Last refreshed: 17 September 2026

Period life expectancy is the number of years the average person born in a certain year would live if they experienced the same chances of dying at each age as people did that year.