Nigeria vs Sierra Leone: Infant mortality rates

Nigeria
6.95
in 2023
Sierra Leone
7.16
in 2023
Nigeria rank
2nd
Sierra Leone rank
1st

Infant mortality rates over time

  • Nigeria
  • Sierra Leone
5101520195019862023

How they compare

Sierra Leone currently reports 7.16 against 6.95 in Nigeria, a difference of 0.21.

Across all 74 years both countries report, Sierra Leone has been ahead every year.

Nigeria ranks 2nd and Sierra Leone ranks 1st of 229 countries.

Sierra Leone has averaged higher in every one of the 8 decades both report.

Head to head by decade

Decade Nigeria Sierra Leone Difference Ahead
1950s 15.96 21.45 5.5 Sierra Leone
1960s 15.19 19.61 4.42 Sierra Leone
1970s 13.46 17.75 4.3 Sierra Leone
1980s 11.95 16.31 4.36 Sierra Leone
1990s 11.61 15.2 3.59 Sierra Leone
2000s 9.73 12.84 3.1 Sierra Leone
2010s 8.16 9.48 1.32 Sierra Leone
2020s 7.21 7.52 0.3049 Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher infant mortality rates, Nigeria or Sierra Leone?
Sierra Leone, at 7.16 against 6.95 in Nigeria as of 2023.
What is the difference in infant mortality rates between Nigeria and Sierra Leone?
0.21, with Sierra Leone ahead.
How many years of comparable data are there for Nigeria and Sierra Leone?
74 years are reported by both, from 1950 to 2023.
How do Nigeria and Sierra Leone rank globally for infant mortality rates?
Nigeria ranks 2nd and Sierra Leone ranks 1st of 229 countries.
Where does this data come from?
Our World in Data, published as Infant mortality rates. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Nigeria vs Sierra Leone: Infant mortality rates. Statizoid, drawing on Our World in Data. Retrieved 20 August 2026, from https://health.statizoid.com/compare/infant-mortality-rates/nigeria/sierra-leone/

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About this data

Indicator
Infant mortality rates
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
236 places, 17,464 data points, 1950–2023
Last refreshed