Bulgaria vs Slovenia: Share of children who were born outside of marriage
Bulgaria
59.6%
in 2020
Slovenia
56.5%
in 2020
Bulgaria rank
6th
Slovenia rank
9th
Share of children who were born outside of marriage over time
- Bulgaria
- Slovenia
How they compare
Bulgaria currently reports 59.6% against 56.5% in Slovenia, a difference of 3.1%.
That makes Bulgaria's figure about 1.1 times Slovenia's.
The two have swapped places 9 times across 61 shared years of data; in 1960 it was Slovenia ahead.
Bulgaria ranks 6th and Slovenia ranks 9th of 42 countries.
Across the 7 decades both report, Bulgaria averaged higher in 3 and Slovenia in 4.
Head to head by decade
| Decade | Bulgaria | Slovenia | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 8.9% | 9.2% | 0.3% | Slovenia |
| 1970s | 9.7% | 10.0% | 0.3% | Slovenia |
| 1980s | 11.1% | 18.4% | 7.3% | Slovenia |
| 1990s | 24.3% | 29.9% | 5.5% | Slovenia |
| 2000s | 47.2% | 45.5% | 1.7% | Bulgaria |
| 2010s | 57.9% | 57.6% | 0.3% | Bulgaria |
| 2020s | 59.6% | 56.5% | 3.1% | Bulgaria |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of children who were born outside of marriage, Bulgaria or Slovenia?
- Bulgaria, at 59.6% against 56.5% in Slovenia as of 2020.
- What is the difference in share of children who were born outside of marriage between Bulgaria and Slovenia?
- 3.1%, with Bulgaria ahead.
- How many years of comparable data are there for Bulgaria and Slovenia?
- 61 years are reported by both, from 1960 to 2020.
- How do Bulgaria and Slovenia rank globally for share of children who were born outside of marriage?
- Bulgaria ranks 6th and Slovenia ranks 9th of 42 countries.
- Where does this data come from?
- OECD (2025); OECD (2024) – with minor processing by Our World in Data, published as Share of children who were born outside of marriage. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Share of all children born to mothers who were not married at the time of birth.