Bulgaria vs Slovakia: Average age of mothers at childbirth by birth order
Bulgaria
26.47 years
in 2021
Slovakia
27.67 years
in 2014
Bulgaria rank
30th
Slovakia rank
28th
Average age of mothers at childbirth by birth order over time
- Bulgaria
- Slovakia
How they compare
Slovakia currently reports 27.67 years against 26.47 years in Bulgaria, a difference of 1.2 years.
Across all 65 years both countries report, Slovakia has been ahead every year.
Bulgaria ranks 30th and Slovakia ranks 28th of 33 countries.
Slovakia has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | Bulgaria | Slovakia | Difference | Ahead |
|---|---|---|---|---|
| 1950s | 22.41 years | 23.17 years | 0.759 years | Slovakia |
| 1960s | 22.03 years | 22.63 years | 0.6 years | Slovakia |
| 1970s | 21.98 years | 22.71 years | 0.733 years | Slovakia |
| 1980s | 21.88 years | 22.64 years | 0.768 years | Slovakia |
| 1990s | 22.35 years | 23.02 years | 0.668 years | Slovakia |
| 2000s | 24.43 years | 25.45 years | 1.02 years | Slovakia |
| 2010s | 25.69 years | 27.44 years | 1.75 years | Slovakia |
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 Slovakia?
- Slovakia, at 27.67 years against 26.47 years in Bulgaria as of 2014.
- What is the difference in average age of mothers at childbirth by birth order between Bulgaria and Slovakia?
- 1.2 years, with Slovakia ahead.
- How many years of comparable data are there for Bulgaria and Slovakia?
- 65 years are reported by both, from 1950 to 2014.
- How do Bulgaria and Slovakia rank globally for average age of mothers at childbirth by birth order?
- Bulgaria ranks 30th and Slovakia ranks 28th 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.