Chad vs Nigeria: Life expectancy

Chad

55.07 years

in 2023

Nigeria

54.46 years

in 2023

Chad rank

235th

Nigeria rank

236th

Life expectancy over time

Chad
Nigeria

How they compare

Chad currently reports 55.07 years against 54.46 years in Nigeria, a difference of 0.6069 years.

The two have swapped places 9 times across 74 shared years of data; in 1950 it was Nigeria ahead.

Globally, Chad ranks 235th and Nigeria ranks 236th of 236 countries.

Individual pages

Life expectancy in Chad
Life expectancy in Nigeria
Full country ranking

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: 06 August 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.