Guinea-Bissau vs Sierra Leone: Life expectancy

Guinea-Bissau
60 years
in 2020
Sierra Leone
59.76 years
in 2020
Guinea-Bissau rank
151st
Sierra Leone rank
152nd

Life expectancy over time

  • Guinea-Bissau
  • Sierra Leone
0204060187019452020

How they compare

Guinea-Bissau currently reports 60 years against 59.76 years in Sierra Leone, a difference of 0.24 years.

The two have swapped places 3 times across 24 shared years of data; in 1870 it was Sierra Leone ahead.

Guinea-Bissau ranks 151st and Sierra Leone ranks 152nd of 162 countries.

Across the 15 decades both report, Guinea-Bissau averaged higher in 11 and Sierra Leone in 1.

Head to head by decade

Decade Guinea-Bissau Sierra Leone Difference Ahead
1870s 25 years 25 years 0 years
1880s 25 years 25 years 0 years
1890s 25 years 25 years 0 years
1900s 26.37 years 25 years 1.37 years Guinea-Bissau
1910s 26.48 years 25 years 1.48 years Guinea-Bissau
1920s 27.58 years 25 years 2.58 years Guinea-Bissau
1930s 28.33 years 25.86 years 2.48 years Guinea-Bissau
1950s 33.02 years 30.55 years 2.47 years Guinea-Bissau
1960s 34.56 years 32.25 years 2.31 years Guinea-Bissau
1970s 36.58 years 34.72 years 1.85 years Guinea-Bissau
1980s 41.31 years 42.08 years 0.763 years Sierra Leone
1990s 48.02 years 43.39 years 4.63 years Guinea-Bissau
2000s 51.19 years 46.64 years 4.54 years Guinea-Bissau
2010s 57.68 years 55.44 years 2.24 years Guinea-Bissau
2020s 60 years 59.76 years 0.2356 years Guinea-Bissau

Averages of every year both report within each decade.

Frequently asked questions

Which has higher life expectancy, Guinea-Bissau or Sierra Leone?
Guinea-Bissau, at 60 years against 59.76 years in Sierra Leone as of 2020.
What is the difference in life expectancy between Guinea-Bissau and Sierra Leone?
0.24 years, with Guinea-Bissau ahead.
How many years of comparable data are there for Guinea-Bissau and Sierra Leone?
24 years are reported by both, from 1870 to 2020.
How do Guinea-Bissau and Sierra Leone rank globally for life expectancy?
Guinea-Bissau ranks 151st and Sierra Leone ranks 152nd of 162 countries.
Where does this data come from?
Leandro Prados de la Escosura (2021) – with minor 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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Guinea-Bissau vs Sierra Leone: Life expectancy. Statizoid, drawing on Leandro Prados de la Escosura (2021) – with minor processing by Our World in Data. Retrieved 11 September 2026, from https://health.statizoid.com/compare/life-expectancy-prados-de-la-escosura/guinea-bissau/sierra-leone/

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<a href="https://health.statizoid.com/compare/life-expectancy-prados-de-la-escosura/guinea-bissau/sierra-leone/">Guinea-Bissau vs Sierra Leone: Life expectancy</a> — Statizoid

About this data

Indicator
Life expectancy
Unit
years
Source
Leandro Prados de la Escosura (2021) – with minor processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
163 places, 3,421 data points, 1870–2020
Last refreshed

Average number of years a newborn would live if age-specific mortality rates in the current year were to stay the same throughout its life.