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.

Average age of mothers at childbirth in Tonga

Name: Average age of mothers at childbirth in Tonga
Creator: Human Fertility Database (2025); UN, World Population Prospects (2024) – processed by Our World in Data
License: CC BY 4.0 (Our World in Data)

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

1950–2023

Average age of mothers at childbirth in Tonga, 1950–2023

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.

Averages by decade

Decade	Average	Lowest	Highest	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

80 Curacao 29.97 years compare
81 Hungary 29.96 years compare
82 Montserrat 29.95 years compare
84 Morocco 29.93 years compare
85 Senegal 29.92 years compare
86 United States 29.9 years compare

See the full ranking of 236 places →

More reference data data for Tonga

Universal right to vote in practice 2 (2025)
Civil liberties rating 2 (2025)
Consumer price index 174.32 2010 = 100 (2025)
Universal right to vote 2 (2025)
Free country 2 (2025)
Democracy 7 (2025)
Chief executive of the government is elected 1 (2025)
Competitive elections 1 (2025)
Elected parliament 1 (2025)
Men's universal right to vote 1 (2025)

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.

Download this data

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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: 07 August 2026

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.