Nigeria vs Sierra Leone: Probability of dying, by age

Nigeria
0.0699
in 2021
Sierra Leone
0.0768
in 2021
Nigeria rank
3rd
Sierra Leone rank
1st

Probability of dying, by age over time

  • Nigeria
  • Sierra Leone
00.050.10.15200020102021

How they compare

Sierra Leone currently reports 0.0768 against 0.0699 in Nigeria, a difference of 0.0069.

That makes Sierra Leone's figure about 1.1 times Nigeria's.

Across all 22 years both countries report, Sierra Leone has been ahead every year.

Nigeria ranks 3rd and Sierra Leone ranks 1st of 185 countries.

Sierra Leone has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade Nigeria Sierra Leone Difference Ahead
2000s 0.0952 0.1219 0.0267 Sierra Leone
2010s 0.0784 0.0927 0.0143 Sierra Leone
2020s 0.0707 0.0778 0.0072 Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher probability of dying, by age, Nigeria or Sierra Leone?
Sierra Leone, at 0.0768 against 0.0699 in Nigeria as of 2021.
What is the difference in probability of dying, by age between Nigeria and Sierra Leone?
0.0069, with Sierra Leone ahead.
How many years of comparable data are there for Nigeria and Sierra Leone?
22 years are reported by both, from 2000 to 2021.
How do Nigeria and Sierra Leone rank globally for probability of dying, by age?
Nigeria ranks 3rd and Sierra Leone ranks 1st of 185 countries.
Where does this data come from?
World Health Organization - Global Health Observatory (2026) – with minor processing by Our World in Data, published as Probability of dying, by age. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator
Probability of dying, by age
Source
World Health Organization - Global Health Observatory (2026) – with minor processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
185 places, 4,070 data points, 2000–2021
Last refreshed

The annual probability of death among people in a given age group, expressed as a fraction.