Bulgaria vs Ukraine: Average age of mothers at childbirth by birth order
Bulgaria
26.47 years
in 2021
Ukraine
24.62 years
in 2013
Bulgaria rank
30th
Ukraine rank
33rd
Average age of mothers at childbirth by birth order over time
- Bulgaria
- Ukraine
How they compare
Bulgaria currently reports 26.47 years against 24.62 years in Ukraine, a difference of 1.85 years.
That makes Bulgaria's figure about 1.1 times Ukraine's.
The two have swapped places 1 time across 55 shared years of data; in 1959 it was Ukraine ahead.
Bulgaria ranks 30th and Ukraine ranks 33rd of 33 countries.
Across the 7 decades both report, Bulgaria averaged higher in 3 and Ukraine in 4.
Head to head by decade
| Decade | Bulgaria | Ukraine | Difference | Ahead |
|---|---|---|---|---|
| 1950s | 22.11 years | 24.38 years | 2.27 years | Ukraine |
| 1960s | 22.03 years | 24.08 years | 2.05 years | Ukraine |
| 1970s | 21.98 years | 23.26 years | 1.28 years | Ukraine |
| 1980s | 21.88 years | 22.63 years | 0.751 years | Ukraine |
| 1990s | 22.35 years | 22.35 years | 0.002 years | Bulgaria |
| 2000s | 24.43 years | 23.57 years | 0.856 years | Bulgaria |
| 2010s | 25.66 years | 24.48 years | 1.18 years | Bulgaria |
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 Ukraine?
- Bulgaria, at 26.47 years against 24.62 years in Ukraine as of 2021.
- What is the difference in average age of mothers at childbirth by birth order between Bulgaria and Ukraine?
- 1.85 years, with Bulgaria ahead.
- How many years of comparable data are there for Bulgaria and Ukraine?
- 55 years are reported by both, from 1959 to 2013.
- How do Bulgaria and Ukraine rank globally for average age of mothers at childbirth by birth order?
- Bulgaria ranks 30th and Ukraine ranks 33rd 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
About this data
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.