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

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

Niger vs Nigeria: Sex gap in life expectancy versus child mortality

Niger

1.87 years

in 2023

Nigeria

0.5671 years

in 2023

Niger rank

232nd

Nigeria rank

235th

Sex gap in life expectancy versus child mortality over time

Niger
Nigeria

How they compare

Niger currently reports 1.87 years against 0.5671 years in Nigeria, a difference of 1.3 years.

That makes Niger's figure about 3.3 times Nigeria's.

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

Niger ranks 232nd and Nigeria ranks 235th of 236 countries.

Across the 8 decades both report, Niger averaged higher in 2 and Nigeria in 6.

Head to head by decade

Decade	Niger	Nigeria	Difference	Ahead
1950s	0.7984 years	4.07 years	3.27 years	Nigeria
1960s	0.9757 years	4.33 years	3.36 years	Nigeria
1970s	1.37 years	3.4 years	2.03 years	Nigeria
1980s	0.2554 years	3.17 years	2.91 years	Nigeria
1990s	0.7205 years	2.7 years	1.98 years	Nigeria
2000s	0.8248 years	1.09 years	0.27 years	Nigeria
2010s	1.54 years	0.6368 years	0.8992 years	Niger
2020s	1.97 years	0.6165 years	1.36 years	Niger

Averages of every year both report within each decade.

Frequently asked questions

Which has higher sex gap in life expectancy versus child mortality, Niger or Nigeria?: Niger, at 1.87 years against 0.5671 years in Nigeria as of 2023.
What is the difference in sex gap in life expectancy versus child mortality between Niger and Nigeria?: 1.3 years, with Niger ahead.
How many years of comparable data are there for Niger and Nigeria?: 74 years are reported by both, from 1950 to 2023.
How do Niger and Nigeria rank globally for sex gap in life expectancy versus child mortality?: Niger ranks 232nd and Nigeria ranks 235th 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 versus child mortality. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Niger vs Nigeria: Sex gap in life expectancy versus child mortality. Statizoid, drawing on Human Mortality Database (2025); UN, World Population Prospects (2024) – with major processing by Our World in Data. Retrieved 09 September 2026, from https://health.statizoid.com/compare/difference-in-life-expectancy-between-females-and-males-vs-child-mortality/niger/nigeria/

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<a href="https://health.statizoid.com/compare/difference-in-life-expectancy-between-females-and-males-vs-child-mortality/niger/nigeria/">Niger vs Nigeria: Sex gap in life expectancy versus child mortality</a> — Statizoid

About this data

Indicator: Sex gap in life expectancy versus child mortality
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.