How many years of comparable data are there for Bulgaria and Chile?

29 years are reported by both, from 1992 to 2020.

Where does this data come from?

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

Bulgaria vs Chile: Average age of mothers at childbirth by birth order

Bulgaria

26.47 years

in 2021

Chile

27.21 years

in 2020

Bulgaria rank

30th

Chile rank

29th

Average age of mothers at childbirth by birth order over time

Bulgaria
Chile

How they compare

Chile currently reports 27.21 years against 26.47 years in Bulgaria, a difference of 0.74 years.

The two have swapped places 2 times across 29 shared years of data; in 1992 it was Chile ahead.

Bulgaria ranks 30th and Chile ranks 29th of 33 countries.

Across the 4 decades both report, Bulgaria averaged higher in 2 and Chile in 2.

Head to head by decade

Decade	Bulgaria	Chile	Difference	Ahead
1990s	22.45 years	23.26 years	0.8 years	Chile
2000s	24.43 years	23.8 years	0.628 years	Bulgaria
2010s	25.9 years	25.31 years	0.588 years	Bulgaria
2020s	26.41 years	27.21 years	0.8 years	Chile

Averages of every year both report within each decade.

Frequently asked questions

Which has higher average age of mothers at childbirth by birth order, Bulgaria or Chile?: Chile, at 27.21 years against 26.47 years in Bulgaria as of 2020.
What is the difference in average age of mothers at childbirth by birth order between Bulgaria and Chile?: 0.74 years, with Chile ahead.
How many years of comparable data are there for Bulgaria and Chile?: 29 years are reported by both, from 1992 to 2020.
How do Bulgaria and Chile rank globally for average age of mothers at childbirth by birth order?: Bulgaria ranks 30th and Chile ranks 29th of 33 countries.
Where does this data come from?: Human Fertility Database (2025) – processed by Our World in Data, published as Average age of mothers at childbirth by birth order. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

Share, cite or embed this page

Cite this page

Bulgaria vs Chile: Average age of mothers at childbirth by birth order. Statizoid, drawing on Human Fertility Database (2025) – processed by Our World in Data. Retrieved 31 August 2026, from https://population.statizoid.com/compare/period-average-age-of-mothers-birth-order/bulgaria/chile/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (Our World in Data); please keep the attribution.

<a href="https://population.statizoid.com/compare/period-average-age-of-mothers-birth-order/bulgaria/chile/">Bulgaria vs Chile: Average age of mothers at childbirth by birth order</a> — Statizoid

About this data

Indicator: Average age of mothers at childbirth by birth order
Unit: years
Source: Human Fertility Database (2025) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 33 places, 1,628 data points, 1933–2024
Last refreshed: 28 August 2026

Average age of mothers when they have their first child in a specific year. It is standardized for the age structure of the female population of reproductive age.