Nigeria vs Sierra Leone: Annual death rates in people of different ages, by sex

Nigeria
67.32 deaths per 1,000 people
in 2023
Sierra Leone
68.81 deaths per 1,000 people
in 2023
Nigeria rank
2nd
Sierra Leone rank
1st

Annual death rates in people of different ages, by sex over time

  • Nigeria
  • Sierra Leone
50100150200250195019862023

How they compare

Sierra Leone currently reports 68.81 deaths per 1,000 people against 67.32 deaths per 1,000 people in Nigeria, a difference of 1.49 deaths per 1,000 people.

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

Nigeria ranks 2nd and Sierra Leone ranks 1st of 236 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 162.03 deaths per 1,000 people 233.52 deaths per 1,000 people 71.5 deaths per 1,000 people Sierra Leone
1960s 153.87 deaths per 1,000 people 210.68 deaths per 1,000 people 56.81 deaths per 1,000 people Sierra Leone
1970s 135.75 deaths per 1,000 people 188.02 deaths per 1,000 people 52.27 deaths per 1,000 people Sierra Leone
1980s 119.69 deaths per 1,000 people 170.6 deaths per 1,000 people 50.92 deaths per 1,000 people Sierra Leone
1990s 116.21 deaths per 1,000 people 157.48 deaths per 1,000 people 41.26 deaths per 1,000 people Sierra Leone
2000s 96.09 deaths per 1,000 people 131.16 deaths per 1,000 people 35.08 deaths per 1,000 people Sierra Leone
2010s 79.95 deaths per 1,000 people 93.7 deaths per 1,000 people 13.75 deaths per 1,000 people Sierra Leone
2020s 70.11 deaths per 1,000 people 72.52 deaths per 1,000 people 2.41 deaths per 1,000 people Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher annual death rates in people of different ages, by sex, Nigeria or Sierra Leone?
Sierra Leone, at 68.81 deaths per 1,000 people against 67.32 deaths per 1,000 people in Nigeria as of 2023.
What is the difference in annual death rates in people of different ages, by sex between Nigeria and Sierra Leone?
1.49 deaths per 1,000 people, 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 annual death rates in people of different ages, by sex?
Nigeria ranks 2nd and Sierra Leone ranks 1st of 236 countries.
Where does this data come from?
Human Mortality Database (2025); UN, World Population Prospects (2024) – with minor processing by Our World in Data, published as Annual death rates in people of different ages, by sex. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

Share, cite or embed this page

Cite this page

Nigeria vs Sierra Leone: Annual death rates in people of different ages, by sex. Statizoid, drawing on Human Mortality Database (2025); UN, World Population Prospects (2024) – with minor processing by Our World in Data. Retrieved 13 September 2026, from https://health.statizoid.com/compare/annual-death-rates-in-different-age-groups-by-sex/nigeria/sierra-leone/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (Our World in Data); please keep the attribution.

<a href="https://health.statizoid.com/compare/annual-death-rates-in-different-age-groups-by-sex/nigeria/sierra-leone/">Nigeria vs Sierra Leone: Annual death rates in people of different ages, by sex</a> — Statizoid

About this data

Indicator
Annual death rates in people of different ages, by sex
Unit
deaths per 1,000 people
Source
Human Mortality Database (2025); UN, World Population Prospects (2024) – with minor processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
236 places, 18,722 data points, 1751–2023
Last refreshed

Death rate, calculated as the number of deaths divided by the average number of people alive during the interval.