Statizoid

Average age of mothers at childbirth in Cook Islands

Cook Islands: Average age of mothers at childbirth was 29.14 years in 2023. ▬ Flat

Latest (2023)
29.14 years
Change on year
down 0.2%
World rank
119th
of 236 countries
All-time high
29.19 years
in 2022
All-time low
27.55 years
in 1986
Years of data
74
1950–2023

Average age of mothers at childbirth in Cook Islands, 1950–2023

0102030195019862023

Source: Human Fertility Database (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in years.

Analysis

In 2023, average age of mothers at childbirth in Cook Islands stood at 29.14 years.

The figure is down 0.2% on the previous year and up 3.0% over ten years.

Over the whole period, average age of mothers at childbirth in Cook Islands peaked at 29.19 years in 2022 and was at its lowest, 27.55 years, in 1986.

That places Cook Islands 119th out of 236 countries with data for 2023, putting it in the middle of the range.

Average age of mothers at childbirth in Cook Islands, year by year

Year years Change
1950 28.78 years —
1951 28.78 years -0.0%
1952 28.77 years -0.0%
1953 28.77 years -0.0%
1954 28.77 years -0.0%
1955 28.76 years -0.0%
1956 28.76 years -0.0%
1957 28.75 years -0.0%
1958 28.75 years -0.0%
1959 28.74 years -0.0%
1960 28.74 years -0.0%
1961 28.73 years -0.0%
1962 28.73 years -0.0%
1963 28.73 years -0.0%
1964 28.72 years -0.0%
1965 28.71 years -0.0%
1966 28.69 years -0.1%
1967 28.66 years -0.1%
1968 28.64 years -0.1%
1969 28.6 years -0.1%
1970 28.56 years -0.1%
1971 28.51 years -0.2%
1972 28.43 years -0.3%
1973 28.41 years -0.1%
1974 28.4 years -0.1%
1975 28.38 years -0.1%
1976 28.37 years -0.1%
1977 28.35 years -0.1%
1978 28.29 years -0.2%
1979 28.23 years -0.2%
1980 28.13 years -0.3%
1981 27.98 years -0.5%
1982 27.85 years -0.5%
1983 27.74 years -0.4%
1984 27.63 years -0.4%
1985 27.58 years -0.2%
1986 27.55 years -0.1%
1987 27.6 years +0.2%
1988 27.69 years +0.3%
1989 27.82 years +0.5%
1990 27.91 years +0.3%
1991 27.99 years +0.3%
1992 28.04 years +0.2%
1993 28.08 years +0.1%
1994 28.12 years +0.1%
1995 28.14 years +0.1%
1996 28.15 years +0.0%
1997 28.15 years -0.0%
1998 28.16 years +0.0%
1999 28.18 years +0.1%
2000 28.2 years +0.1%
2001 28.21 years +0.1%
2002 28.21 years -0.0%
2003 28.2 years -0.0%
2004 28.19 years -0.0%
2005 28.17 years -0.1%
2006 28.15 years -0.1%
2007 28.1 years -0.2%
2008 28.06 years -0.2%
2009 28.01 years -0.2%
2010 28.09 years +0.3%
2011 28.16 years +0.3%
2012 28.23 years +0.2%
2013 28.29 years +0.2%
2014 28.37 years +0.3%
2015 28.44 years +0.2%
2016 28.51 years +0.2%
2017 28.56 years +0.2%
2018 28.63 years +0.3%
2019 28.76 years +0.5%
2020 28.9 years +0.5%
2021 29.07 years +0.6%
2022 29.19 years +0.4%
2023 29.14 years -0.2%

Averages by decade

DecadeAverage LowestHighest Years
1950s 28.76 years 28.74 years 28.78 years 10
1960s 28.69 years 28.6 years 28.74 years 10
1970s 28.39 years 28.23 years 28.56 years 10
1980s 27.76 years 27.55 years 28.13 years 10
1990s 28.09 years 27.91 years 28.18 years 10
2000s 28.15 years 28.01 years 28.21 years 10
2010s 28.4 years 28.09 years 28.76 years 10
2020s 29.07 years 28.9 years 29.19 years 4

Countries ranked near Cook Islands

  1. 116 Eritrea 29.17 years compare
  2. 117 Solomon Islands 29.17 years compare
  3. 117 Uruguay 29.17 years compare
  4. 120 Albania 29.13 years compare
  5. 120 Mauritius 29.13 years compare
  6. 122 Bonaire Sint Eustatius and Saba 29.12 years compare

See the full ranking of 236 places →

More reference data data for Cook Islands

All data for Cook Islands →

Frequently asked questions

What is average age of mothers at childbirth in Cook Islands?
Average age of mothers at childbirth in Cook Islands was 29.14 years in 2023, according to Human Fertility Database (2025); UN, World Population Prospects (2024) – processed by Our World in Data.
What is the highest average age of mothers at childbirth recorded in Cook Islands?
The highest recorded value was 29.19 years in 2022.
What is the lowest average age of mothers at childbirth recorded in Cook Islands?
The lowest recorded value was 27.55 years in 1986.
How does Cook Islands rank for average age of mothers at childbirth?
Cook Islands ranks 119th out of 236 countries with data for 2023.
Is average age of mothers at childbirth rising or falling in Cook Islands?
Over the last ten years it is up 3.0%. The long-run trend across the full record is flat.
Where does this Cook Islands data come from?
The figures come from Human Fertility Database (2025); UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Average age of mothers at childbirth. Statizoid updates them automatically from the source API.

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Average age of mothers at childbirth in Cook Islands. Statizoid, drawing on Human Fertility Database (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 06 October 2026, from https://reference.statizoid.com/stat/period-average-age-of-mothers/cook-islands/

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About this data

Indicator
Average age of mothers at childbirth
Unit
years
Source
Human Fertility Database (2025); UN, World Population Prospects (2024) – processed 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.