Nigeria vs Sierra Leone: Mortality rate, infant

Nigeria
60.1 per 1,000 live births
in 2023
Sierra Leone
56.2 per 1,000 live births
in 2023
Nigeria rank
6th
Sierra Leone rank
9th

Mortality rate, infant over time

  • Nigeria
  • Sierra Leone
050100150197019962023

How they compare

Nigeria currently reports 60.1 per 1,000 live births against 56.2 per 1,000 live births in Sierra Leone, a difference of 3.9 per 1,000 live births.

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

The two have swapped places 1 time across 54 shared years of data; in 1970 it was Sierra Leone ahead.

Nigeria ranks 6th and Sierra Leone ranks 9th of 195 countries.

Across the 6 decades both report, Nigeria averaged higher in 1 and Sierra Leone in 5.

Head to head by decade

Decade Nigeria Sierra Leone Difference Ahead
1970s 127.62 per 1,000 live births 146.86 per 1,000 live births 19.24 per 1,000 live births Sierra Leone
1980s 104.29 per 1,000 live births 138.05 per 1,000 live births 33.76 per 1,000 live births Sierra Leone
1990s 104.33 per 1,000 live births 132.09 per 1,000 live births 27.76 per 1,000 live births Sierra Leone
2000s 85.55 per 1,000 live births 110.11 per 1,000 live births 24.56 per 1,000 live births Sierra Leone
2010s 70.3 per 1,000 live births 76.63 per 1,000 live births 6.33 per 1,000 live births Sierra Leone
2020s 62.4 per 1,000 live births 59.02 per 1,000 live births 3.38 per 1,000 live births Nigeria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher mortality rate, infant, Nigeria or Sierra Leone?
Nigeria, at 60.1 per 1,000 live births against 56.2 per 1,000 live births in Sierra Leone as of 2023.
What is the difference in mortality rate, infant between Nigeria and Sierra Leone?
3.9 per 1,000 live births, with Nigeria ahead.
How many years of comparable data are there for Nigeria and Sierra Leone?
54 years are reported by both, from 1970 to 2023.
How do Nigeria and Sierra Leone rank globally for mortality rate, infant?
Nigeria ranks 6th and Sierra Leone ranks 9th of 195 countries.
Where does this data come from?
UNESCO Institute for Statistics, published as Mortality rate, infant (per 1,000 live births). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Nigeria vs Sierra Leone: Mortality rate, infant. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 30 August 2026, from https://population.statizoid.com/compare/mortality-rate-infant-per-1-000-live-births-3/nigeria/sierra-leone/

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About this data

Indicator
Mortality rate, infant (per 1,000 live births)
Unit
per 1,000 live births
Source
UNESCO Institute for Statistics
Licence
CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage
195 places, 10,178 data points, 1970–2023
Last refreshed

February 2026 Data Release