Statizoid

Average age of mothers at childbirth in Tonga

Tonga: Average age of mothers at childbirth was 29.95 years in 2023. ▬ Flat

Latest (2023)
29.95 years
Change on year
up 0.0%
World rank
83rd
of 236 countries
All-time high
31.04 years
in 1994
All-time low
29.94 years
in 2021
Years of data
74
1950–2023

Average age of mothers at childbirth in Tonga, 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 Tonga stood at 29.95 years.

The figure is down 0.6% over ten years.

Over the whole period, average age of mothers at childbirth in Tonga peaked at 31.04 years in 1994 and was at its lowest, 29.94 years, in 2021.

Tonga ranks 83rd of 236 countries on this measure, in the middle of the range.

Average age of mothers at childbirth in Tonga, year by year

Year years Change
1950 30.4 years —
1951 30.41 years +0.0%
1952 30.42 years +0.0%
1953 30.43 years +0.0%
1954 30.44 years +0.0%
1955 30.46 years +0.1%
1956 30.48 years +0.1%
1957 30.49 years +0.1%
1958 30.51 years +0.1%
1959 30.53 years +0.1%
1960 30.55 years +0.1%
1961 30.56 years +0.1%
1962 30.58 years +0.1%
1963 30.59 years +0.0%
1964 30.6 years +0.0%
1965 30.6 years -0.0%
1966 30.6 years -0.0%
1967 30.59 years -0.0%
1968 30.58 years -0.0%
1969 30.57 years -0.0%
1970 30.57 years -0.0%
1971 30.56 years -0.0%
1972 30.55 years -0.0%
1973 30.52 years -0.1%
1974 30.5 years -0.1%
1975 30.5 years +0.0%
1976 30.5 years +0.0%
1977 30.5 years +0.0%
1978 30.5 years +0.0%
1979 30.51 years +0.0%
1980 30.54 years +0.1%
1981 30.57 years +0.1%
1982 30.59 years +0.1%
1983 30.62 years +0.1%
1984 30.65 years +0.1%
1985 30.7 years +0.2%
1986 30.75 years +0.1%
1987 30.8 years +0.2%
1988 30.84 years +0.1%
1989 30.87 years +0.1%
1990 30.91 years +0.1%
1991 30.94 years +0.1%
1992 30.98 years +0.1%
1993 31.02 years +0.1%
1994 31.04 years +0.1%
1995 31.02 years -0.0%
1996 30.97 years -0.2%
1997 30.95 years -0.1%
1998 30.93 years -0.0%
1999 30.83 years -0.3%
2000 30.86 years +0.1%
2001 30.86 years +0.0%
2002 30.88 years +0.1%
2003 30.84 years -0.1%
2004 30.76 years -0.3%
2005 30.69 years -0.2%
2006 30.63 years -0.2%
2007 30.53 years -0.3%
2008 30.44 years -0.3%
2009 30.36 years -0.3%
2010 30.26 years -0.3%
2011 30.22 years -0.1%
2012 30.18 years -0.1%
2013 30.14 years -0.1%
2014 30.09 years -0.2%
2015 30.05 years -0.1%
2016 30 years -0.2%
2017 29.96 years -0.1%
2018 29.95 years -0.0%
2019 29.95 years -0.0%
2020 29.95 years -0.0%
2021 29.94 years -0.0%
2022 29.94 years +0.0%
2023 29.95 years +0.0%

Tonga compared with similar countries

  • Tonga's 29.95 years is above the median for upper middle income countries, which is 28.64 years, 1.0× the median. (58 countries reporting)
  • Tonga's 29.95 years is above the median for East Asia & Pacific, which is 29.17 years, 1.0× the median. (37 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1950s 30.46 years 30.4 years 30.53 years 10
1960s 30.58 years 30.55 years 30.6 years 10
1970s 30.52 years 30.5 years 30.57 years 10
1980s 30.69 years 30.54 years 30.87 years 10
1990s 30.96 years 30.83 years 31.04 years 10
2000s 30.68 years 30.36 years 30.88 years 10
2010s 30.08 years 29.95 years 30.26 years 10
2020s 29.94 years 29.94 years 29.95 years 4

Countries ranked near Tonga

  1. 80 Curacao 29.97 years compare
  2. 81 Hungary 29.96 years compare
  3. 82 Montserrat 29.95 years compare
  4. 84 Morocco 29.93 years compare
  5. 85 Senegal 29.92 years compare
  6. 86 United States 29.9 years compare

See the full ranking of 236 places →

More reference data data for Tonga

All data for Tonga →

Frequently asked questions

What is average age of mothers at childbirth in Tonga?
Average age of mothers at childbirth in Tonga was 29.95 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 Tonga?
The highest recorded value was 31.04 years in 1994.
What is the lowest average age of mothers at childbirth recorded in Tonga?
The lowest recorded value was 29.94 years in 2021.
How does Tonga rank for average age of mothers at childbirth?
Tonga ranks 83rd out of 236 countries with data for 2023.
Is average age of mothers at childbirth rising or falling in Tonga?
Over the last ten years it is down 0.6%. The long-run trend across the full record is flat.
Where does this Tonga 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 Tonga. Statizoid, drawing on Human Fertility Database (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 24 September 2026, from https://reference.statizoid.com/stat/period-average-age-of-mothers/tonga/

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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.