Belgium vs New Zealand: Share of children who were born outside of marriage
Belgium
52.4%
in 2018
New Zealand
48.7%
in 2021
Belgium rank
14th
New Zealand rank
16th
Share of children who were born outside of marriage over time
- Belgium
- New Zealand
How they compare
Belgium currently reports 52.4% against 48.7% in New Zealand, a difference of 3.7%.
That makes Belgium's figure about 1.1 times New Zealand's.
The two have swapped places 1 time across 59 shared years of data; in 1960 it was New Zealand ahead.
Belgium ranks 14th and New Zealand ranks 16th of 42 countries.
Across the 6 decades both report, Belgium averaged higher in 1 and New Zealand in 5.
Head to head by decade
| Decade | Belgium | New Zealand | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 2.4% | 9.8% | 7.4% | New Zealand |
| 1970s | 3.1% | 16.7% | 13.6% | New Zealand |
| 1980s | 7.2% | 25.9% | 18.7% | New Zealand |
| 1990s | 17.4% | 39.3% | 21.8% | New Zealand |
| 2000s | 37.6% | 45.6% | 8.0% | New Zealand |
| 2010s | 49.1% | 47.3% | 1.7% | Belgium |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of children who were born outside of marriage, Belgium or New Zealand?
- Belgium, at 52.4% against 48.7% in New Zealand as of 2018.
- What is the difference in share of children who were born outside of marriage between Belgium and New Zealand?
- 3.7%, with Belgium ahead.
- How many years of comparable data are there for Belgium and New Zealand?
- 59 years are reported by both, from 1960 to 2018.
- How do Belgium and New Zealand rank globally for share of children who were born outside of marriage?
- Belgium ranks 14th and New Zealand ranks 16th 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.