How many years of comparable data are there for Gabon and Sao Tome and Principe?

74 years are reported by both, from 1950 to 2023.

Where does this data come from?

Human Fertility Database (2025); UN, World Population Prospects (2024) – processed by Our World in Data, published as Average age of mothers at childbirth. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Gabon vs Sao Tome and Principe: Average age of mothers at childbirth

Gabon

28.52 years

in 2023

Sao Tome and Principe

28.47 years

in 2023

Gabon rank

168th

Sao Tome and Principe rank

171st

Average age of mothers at childbirth over time

Gabon
Sao Tome and Principe

How they compare

Gabon currently reports 28.52 years against 28.47 years in Sao Tome and Principe, a difference of 0.05 years.

The two have swapped places 1 time across 74 shared years of data; in 1950 it was Sao Tome and Principe ahead.

Gabon ranks 168th and Sao Tome and Principe ranks 171st of 236 countries.

Across the 8 decades both report, Gabon averaged higher in 1 and Sao Tome and Principe in 7.

Head to head by decade

Decade	Gabon	Sao Tome and Principe	Difference	Ahead
1950s	28.2 years	29.24 years	1.04 years	Sao Tome and Principe
1960s	28.21 years	29.24 years	1.03 years	Sao Tome and Principe
1970s	28.23 years	29.24 years	1.02 years	Sao Tome and Principe
1980s	28.5 years	29.24 years	0.7447 years	Sao Tome and Principe
1990s	28.46 years	29.19 years	0.7254 years	Sao Tome and Principe
2000s	28.47 years	28.87 years	0.3959 years	Sao Tome and Principe
2010s	28.59 years	28.64 years	0.0583 years	Sao Tome and Principe
2020s	28.55 years	28.5 years	0.0505 years	Gabon

Averages of every year both report within each decade.

Frequently asked questions

Which has higher average age of mothers at childbirth, Gabon or Sao Tome and Principe?: Gabon, at 28.52 years against 28.47 years in Sao Tome and Principe as of 2023.
What is the difference in average age of mothers at childbirth between Gabon and Sao Tome and Principe?: 0.05 years, with Gabon ahead.
How many years of comparable data are there for Gabon and Sao Tome and Principe?: 74 years are reported by both, from 1950 to 2023.
How do Gabon and Sao Tome and Principe rank globally for average age of mothers at childbirth?: Gabon ranks 168th and Sao Tome and Principe ranks 171st of 236 countries.
Where does this data come from?: Human Fertility Database (2025); UN, World Population Prospects (2024) – processed by Our World in Data, published as Average age of mothers at childbirth. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Gabon vs Sao Tome and Principe: Average age of mothers at childbirth. Statizoid, drawing on Human Fertility Database (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 01 September 2026, from https://reference.statizoid.com/compare/period-average-age-of-mothers/gabon/sao-tome-and-principe/

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<a href="https://reference.statizoid.com/compare/period-average-age-of-mothers/gabon/sao-tome-and-principe/">Gabon vs Sao Tome and Principe: Average age of mothers at childbirth</a> — Statizoid

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: 28 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.