Which has higher average age of mothers at childbirth, Slovakia or Tanzania?

Tanzania, at 28.94 years against 28.92 years in Slovakia as of 2023.

What is the difference in average age of mothers at childbirth between Slovakia and Tanzania?

0.02 years, with Tanzania ahead.

How many years of comparable data are there for Slovakia and Tanzania?

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.

Slovakia vs Tanzania: Average age of mothers at childbirth

Slovakia

28.92 years

in 2023

Tanzania

28.94 years

in 2023

Slovakia rank

142nd

Tanzania rank

140th

Average age of mothers at childbirth over time

Slovakia
Tanzania

How they compare

Tanzania currently reports 28.94 years against 28.92 years in Slovakia, a difference of 0.02 years.

Across all 74 years both countries report, Tanzania has been ahead every year.

Slovakia ranks 142nd and Tanzania ranks 140th of 236 countries.

Tanzania has averaged higher in every one of the 8 decades both report.

Head to head by decade

Decade	Slovakia	Tanzania	Difference	Ahead
1950s	27.79 years	29.09 years	1.3 years	Tanzania
1960s	26.68 years	29.13 years	2.45 years	Tanzania
1970s	25.96 years	29.35 years	3.39 years	Tanzania
1980s	25.22 years	29.72 years	4.5 years	Tanzania
1990s	25.61 years	29.37 years	3.76 years	Tanzania
2000s	27.55 years	29.09 years	1.54 years	Tanzania
2010s	28.81 years	29 years	0.1926 years	Tanzania
2020s	28.91 years	28.94 years	0.0378 years	Tanzania

Averages of every year both report within each decade.

Frequently asked questions

Which has higher average age of mothers at childbirth, Slovakia or Tanzania?: Tanzania, at 28.94 years against 28.92 years in Slovakia as of 2023.
What is the difference in average age of mothers at childbirth between Slovakia and Tanzania?: 0.02 years, with Tanzania ahead.
How many years of comparable data are there for Slovakia and Tanzania?: 74 years are reported by both, from 1950 to 2023.
How do Slovakia and Tanzania rank globally for average age of mothers at childbirth?: Slovakia ranks 142nd and Tanzania ranks 140th 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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Slovakia vs Tanzania: 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 29 August 2026, from https://reference.statizoid.com/compare/period-average-age-of-mothers/slovak-republic/tanzania/

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<a href="https://reference.statizoid.com/compare/period-average-age-of-mothers/slovak-republic/tanzania/">Slovakia vs Tanzania: 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.