Which has higher life expectancy, Chad or South Sudan?

South Sudan, at 57.62 years against 55.07 years in Chad as of 2023.

What is the difference in life expectancy between Chad and South Sudan?

2.55 years, with South Sudan ahead.

How many years of comparable data are there for Chad and South Sudan?

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.

Chad vs South Sudan: Life expectancy

Chad

55.07 years

in 2023

South Sudan

57.62 years

in 2023

Chad rank

235th

South Sudan rank

232nd

Life expectancy over time

Chad
South Sudan

How they compare

South Sudan currently reports 57.62 years against 55.07 years in Chad, a difference of 2.55 years.

The two have swapped places 3 times across 74 shared years of data; in 1950 it was Chad ahead.

Chad ranks 235th and South Sudan ranks 232nd of 236 countries.

Across the 8 decades both report, Chad averaged higher in 6 and South Sudan in 2.

Head to head by decade

Decade	Chad	South Sudan	Difference	Ahead
1950s	37.09 years	30.49 years	6.61 years	Chad
1960s	40.05 years	27.73 years	12.32 years	Chad
1970s	42.37 years	34.75 years	7.62 years	Chad
1980s	44.68 years	30.66 years	14.02 years	Chad
1990s	47.1 years	30.72 years	16.39 years	Chad
2000s	48.8 years	52.81 years	4 years	South Sudan
2010s	51.37 years	49.92 years	1.46 years	Chad
2020s	53.95 years	57.38 years	3.43 years	South Sudan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher life expectancy, Chad or South Sudan?: South Sudan, at 57.62 years against 55.07 years in Chad as of 2023.
What is the difference in life expectancy between Chad and South Sudan?: 2.55 years, with South Sudan ahead.
How many years of comparable data are there for Chad and South Sudan?: 74 years are reported by both, from 1950 to 2023.
How do Chad and South Sudan rank globally for life expectancy?: Chad ranks 235th and South Sudan ranks 232nd 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.

Individual pages

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.