Which has higher sex gap in life expectancy, Guinea-Bissau or Zambia?

Zambia, at 4.74 years against 4.71 years in Guinea-Bissau as of 2023.

How many years of comparable data are there for Guinea-Bissau and Zambia?

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. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Guinea-Bissau vs Zambia: Sex gap in life expectancy

Guinea-Bissau

4.71 years

in 2023

Zambia

4.74 years

in 2023

Guinea-Bissau rank

135th

Zambia rank

132nd

Sex gap in life expectancy over time

Guinea-Bissau
Zambia

How they compare

Zambia currently reports 4.74 years against 4.71 years in Guinea-Bissau, a difference of 0.03 years.

The two have swapped places 1 time across 74 shared years of data; in 1950 it was Guinea-Bissau ahead.

Guinea-Bissau ranks 135th and Zambia ranks 132nd of 236 countries.

Across the 8 decades both report, Guinea-Bissau averaged higher in 7 and Zambia in 1.

Head to head by decade

Decade	Guinea-Bissau	Zambia	Difference	Ahead
1950s	3.28 years	2.1 years	1.18 years	Guinea-Bissau
1960s	6.7 years	2.27 years	4.43 years	Guinea-Bissau
1970s	5.61 years	2.61 years	3.01 years	Guinea-Bissau
1980s	3.78 years	3.27 years	0.5151 years	Guinea-Bissau
1990s	4.65 years	2.13 years	2.52 years	Guinea-Bissau
2000s	4.14 years	1.58 years	2.56 years	Guinea-Bissau
2010s	4.2 years	4 years	0.2009 years	Guinea-Bissau
2020s	4.68 years	5.01 years	0.3277 years	Zambia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher sex gap in life expectancy, Guinea-Bissau or Zambia?: Zambia, at 4.74 years against 4.71 years in Guinea-Bissau as of 2023.
What is the difference in sex gap in life expectancy between Guinea-Bissau and Zambia?: 0.03 years, with Zambia ahead.
How many years of comparable data are there for Guinea-Bissau and Zambia?: 74 years are reported by both, from 1950 to 2023.
How do Guinea-Bissau and Zambia rank globally for sex gap in life expectancy?: Guinea-Bissau ranks 135th and Zambia ranks 132nd 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. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Guinea-Bissau vs Zambia: Sex gap in life expectancy. Statizoid, drawing on Human Mortality Database (2025); UN, World Population Prospects (2024) – with major processing by Our World in Data. Retrieved 13 September 2026, from https://health.statizoid.com/compare/difference-in-female-and-male-life-expectancy-at-birth/guinea-bissau/zambia/

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<a href="https://health.statizoid.com/compare/difference-in-female-and-male-life-expectancy-at-birth/guinea-bissau/zambia/">Guinea-Bissau vs Zambia: Sex gap in life expectancy</a> — Statizoid

About this data

Indicator: Sex gap in life expectancy
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.