Bulgaria vs Norway: Share of children who were born outside of marriage
Bulgaria
59.6%
in 2020
Norway
58.5%
in 2020
Bulgaria rank
6th
Norway rank
7th
Share of children who were born outside of marriage over time
- Bulgaria
- Norway
How they compare
Bulgaria currently reports 59.6% against 58.5% in Norway, a difference of 1.1%.
The two have swapped places 2 times across 61 shared years of data; in 1960 it was Bulgaria ahead.
Bulgaria ranks 6th and Norway ranks 7th of 42 countries.
Across the 7 decades both report, Bulgaria averaged higher in 3 and Norway in 4.
Head to head by decade
| Decade | Bulgaria | Norway | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 8.9% | 4.6% | 4.3% | Bulgaria |
| 1970s | 9.7% | 10.0% | 0.2% | Norway |
| 1980s | 11.1% | 24.4% | 13.2% | Norway |
| 1990s | 24.3% | 45.5% | 21.2% | Norway |
| 2000s | 47.2% | 52.0% | 4.8% | Norway |
| 2010s | 57.9% | 55.7% | 2.1% | Bulgaria |
| 2020s | 59.6% | 58.5% | 1.1% | 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 Norway?
- Bulgaria, at 59.6% against 58.5% in Norway as of 2020.
- What is the difference in share of children who were born outside of marriage between Bulgaria and Norway?
- 1.1%, with Bulgaria ahead.
- How many years of comparable data are there for Bulgaria and Norway?
- 61 years are reported by both, from 1960 to 2020.
- How do Bulgaria and Norway rank globally for share of children who were born outside of marriage?
- Bulgaria ranks 6th and Norway ranks 7th 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.