New Zealand vs Norway: Share of births that are twins
New Zealand
1.3%
in 2021
Norway
1.3%
in 2020
New Zealand rank
17th
Norway rank
16th
Share of births that are twins over time
- New Zealand
- Norway
How they compare
Norway currently reports 1.3% against 1.3% in New Zealand, a difference of 0.0%.
The two have swapped places 14 times across 122 shared years of data; in 1899 it was Norway ahead.
New Zealand ranks 17th and Norway ranks 16th of 23 countries.
Across the 14 decades both report, New Zealand averaged higher in 5 and Norway in 9.
Head to head by decade
| Decade | New Zealand | Norway | Difference | Ahead |
|---|---|---|---|---|
| 1890s | 0.9% | 1.4% | 0.4% | Norway |
| 1900s | 1.0% | 1.3% | 0.3% | Norway |
| 1910s | 1.1% | 1.4% | 0.3% | Norway |
| 1920s | 1.2% | 1.5% | 0.3% | Norway |
| 1930s | 1.2% | 1.4% | 0.2% | Norway |
| 1940s | 1.3% | 1.3% | 0.0% | New Zealand |
| 1950s | 1.3% | 1.2% | 0.1% | New Zealand |
| 1960s | 1.1% | 1.1% | 0.0% | New Zealand |
| 1970s | 1.0% | 0.9% | 0.1% | New Zealand |
| 1980s | 1.1% | 1.0% | 0.1% | New Zealand |
| 1990s | 1.3% | 1.5% | 0.1% | Norway |
| 2000s | 1.6% | 1.8% | 0.3% | Norway |
| 2010s | 1.4% | 1.6% | 0.2% | Norway |
| 2020s | 1.3% | 1.3% | 0.0% | Norway |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of births that are twins, New Zealand or Norway?
- Norway, at 1.3% against 1.3% in New Zealand as of 2020.
- What is the difference in share of births that are twins between New Zealand and Norway?
- 0.0%, with Norway ahead.
- How many years of comparable data are there for New Zealand and Norway?
- 122 years are reported by both, from 1899 to 2020.
- How do New Zealand and Norway rank globally for share of births that are twins?
- New Zealand ranks 17th and Norway ranks 16th of 23 countries.
- Where does this data come from?
- Human Multiple Births Database (2024) β processed by Our World in Data, published as Share of births that are twins. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Number of twin deliveries per 100 deliveries.