Chad vs Samoa: Sex gap in life expectancy
Chad
3.82 years
in 2023
Samoa
3.8 years
in 2023
Chad rank
193rd
Samoa rank
194th
Sex gap in life expectancy over time
- Chad
- Samoa
How they compare
Chad currently reports 3.82 years against 3.8 years in Samoa, a difference of 0.02 years.
The two have swapped places 9 times across 74 shared years of data; in 1950 it was Samoa ahead.
Chad ranks 193rd and Samoa ranks 194th of 236 countries.
Samoa has averaged higher in every one of the 8 decades both report.
Head to head by decade
| Decade | Chad | Samoa | Difference | Ahead |
|---|---|---|---|---|
| 1950s | 3.1 years | 4.32 years | 1.23 years | Samoa |
| 1960s | 3.63 years | 4.53 years | 0.9053 years | Samoa |
| 1970s | 4.66 years | 5.25 years | 0.592 years | Samoa |
| 1980s | 5.8 years | 5.83 years | 0.0308 years | Samoa |
| 1990s | 3.49 years | 6.01 years | 2.52 years | Samoa |
| 2000s | 2.18 years | 5.54 years | 3.36 years | Samoa |
| 2010s | 2.4 years | 4.34 years | 1.94 years | Samoa |
| 2020s | 3.7 years | 3.85 years | 0.1432 years | Samoa |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher sex gap in life expectancy, Chad or Samoa?
- Chad, at 3.82 years against 3.8 years in Samoa as of 2023.
- What is the difference in sex gap in life expectancy between Chad and Samoa?
- 0.02 years, with Chad ahead.
- How many years of comparable data are there for Chad and Samoa?
- 74 years are reported by both, from 1950 to 2023.
- How do Chad and Samoa rank globally for sex gap in life expectancy?
- Chad ranks 193rd and Samoa ranks 194th 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.
Individual pages
About this data
Difference in period life expectancy (females - males) at a given age.