Statizoid

Average age of mothers at childbirth in Sierra Leone

Sierra Leone: Average age of mothers at childbirth was 28.57 years in 2023. ▬ Flat

Latest (2023)
28.57 years
Change on year
down 0.1%
World rank
164th
of 236 countries
All-time high
29.77 years
in 1997
All-time low
28.22 years
in 1970
Years of data
74
1950–2023

Average age of mothers at childbirth in Sierra Leone, 1950–2023

0102030195019862023

Source: Human Fertility Database (2026); UN, World Population Prospects (2024) – with major processing by Our World in Data. Measured in years.

Analysis

Sierra Leone recorded 28.57 years for average age of mothers at childbirth in 2023.

The figure is down 0.1% on the previous year and down 1.2% over ten years.

Over the whole period, average age of mothers at childbirth in Sierra Leone peaked at 29.77 years in 1997 and was at its lowest, 28.22 years, in 1970.

Sierra Leone ranks 164th of 236 countries on this measure, in the middle of the range.

Average age of mothers at childbirth in Sierra Leone, year by year

Year years Change
1950 28.26 years —
1951 28.27 years +0.0%
1952 28.27 years +0.0%
1953 28.27 years +0.0%
1954 28.27 years +0.0%
1955 28.27 years +0.0%
1956 28.28 years +0.0%
1957 28.28 years +0.0%
1958 28.27 years -0.0%
1959 28.27 years -0.0%
1960 28.27 years -0.0%
1961 28.27 years -0.0%
1962 28.26 years -0.0%
1963 28.26 years -0.0%
1964 28.26 years -0.0%
1965 28.25 years -0.0%
1966 28.25 years -0.0%
1967 28.24 years -0.0%
1968 28.23 years -0.0%
1969 28.23 years -0.0%
1970 28.22 years -0.0%
1971 28.25 years +0.1%
1972 28.27 years +0.1%
1973 28.3 years +0.1%
1974 28.34 years +0.1%
1975 28.41 years +0.3%
1976 28.49 years +0.3%
1977 28.56 years +0.3%
1978 28.63 years +0.2%
1979 28.7 years +0.2%
1980 28.72 years +0.1%
1981 28.74 years +0.1%
1982 28.81 years +0.2%
1983 28.89 years +0.3%
1984 28.97 years +0.3%
1985 29.05 years +0.3%
1986 29.11 years +0.2%
1987 29.19 years +0.3%
1988 29.26 years +0.2%
1989 29.37 years +0.4%
1990 29.42 years +0.1%
1991 29.39 years -0.1%
1992 29.43 years +0.1%
1993 29.45 years +0.1%
1994 29.49 years +0.2%
1995 29.68 years +0.6%
1996 29.7 years +0.0%
1997 29.77 years +0.2%
1998 29.74 years -0.1%
1999 29.62 years -0.4%
2000 29.5 years -0.4%
2001 29.54 years +0.1%
2002 29.49 years -0.2%
2003 29.45 years -0.2%
2004 29.49 years +0.1%
2005 29.4 years -0.3%
2006 29.29 years -0.4%
2007 29.33 years +0.1%
2008 29.3 years -0.1%
2009 29.25 years -0.1%
2010 29.25 years -0.0%
2011 29.14 years -0.4%
2012 29 years -0.5%
2013 28.93 years -0.3%
2014 28.84 years -0.3%
2015 28.83 years -0.0%
2016 28.86 years +0.1%
2017 28.86 years +0.0%
2018 28.82 years -0.1%
2019 28.77 years -0.2%
2020 28.71 years -0.2%
2021 28.66 years -0.2%
2022 28.61 years -0.2%
2023 28.57 years -0.1%

Sierra Leone compared with similar countries

  • Sierra Leone's 28.57 years is below the median for low income countries, which is 29.09 years, 98% of the median. (25 countries reporting)
  • Sierra Leone's 28.57 years is below the median for Sub-Saharan Africa, which is 28.9 years, 99% of the median. (48 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1950s 28.27 years 28.26 years 28.28 years 10
1960s 28.25 years 28.23 years 28.27 years 10
1970s 28.42 years 28.22 years 28.7 years 10
1980s 29.01 years 28.72 years 29.37 years 10
1990s 29.57 years 29.39 years 29.77 years 10
2000s 29.4 years 29.25 years 29.54 years 10
2010s 28.93 years 28.77 years 29.25 years 10
2020s 28.64 years 28.57 years 28.71 years 4

Countries ranked near Sierra Leone

  1. 161 Grenada 28.61 years compare
  2. 162 South Sudan 28.61 years compare
  3. 163 Angola 28.59 years compare
  4. 165 Congo 28.56 years compare
  5. 166 Palestine 28.55 years compare
  6. 167 Palau 28.52 years compare

See the full ranking of 236 places →

More reference data data for Sierra Leone

All data for Sierra Leone →

Frequently asked questions

What is average age of mothers at childbirth in Sierra Leone?
Average age of mothers at childbirth in Sierra Leone was 28.57 years in 2023, according to Human Fertility Database (2026); UN, World Population Prospects (2024) – with major processing by Our World in Data.
What is the highest average age of mothers at childbirth recorded in Sierra Leone?
The highest recorded value was 29.77 years in 1997.
What is the lowest average age of mothers at childbirth recorded in Sierra Leone?
The lowest recorded value was 28.22 years in 1970.
How does Sierra Leone rank for average age of mothers at childbirth?
Sierra Leone ranks 164th out of 236 countries with data for 2023.
Is average age of mothers at childbirth rising or falling in Sierra Leone?
Over the last ten years it is down 1.2%. The long-run trend across the full record is flat.
Where does this Sierra Leone data come from?
The figures come from Human Fertility Database (2026); UN, World Population Prospects (2024) – with major processing by Our World in Data, published as part of Average age of mothers at childbirth. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 74 observations, free to reuse under CC BY 4.0 (Our World in Data).

Share, cite or embed this page

Cite this page

Average age of mothers at childbirth in Sierra Leone. Statizoid, drawing on Human Fertility Database (2026); UN, World Population Prospects (2024) – with major processing by Our World in Data. Retrieved 08 November 2026, from https://reference.statizoid.com/stat/period-average-age-of-mothers/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://reference.statizoid.com/stat/period-average-age-of-mothers/sierra-leone/">Average age of mothers at childbirth in Sierra Leone</a> — Statizoid

About this data

Indicator
Average age of mothers at childbirth
Unit
years
Source
Human Fertility Database (2026); UN, World Population Prospects (2024) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
236 places, 17,683 data points, 1891–2023
Last refreshed

Mean age of mothers at the birth of their children if women were subject throughout their lives to the age-specific fertility rates observed in a given year.