Rate of twin deliveries in New Zealand

New Zealand: Rate of twin deliveries was 1.31 in 2021. ▲ Rising

Latest (2021)
1.31
Change on year
up 1.8%
World rank
17th
of 23 countries
All-time high
1.68
in 2002
All-time low
0.833
in 1889
Years of data
134
1888–2021

Rate of twin deliveries in New Zealand, 1888–2021

00.511.5188819542021

Source: Our World in Data.

Analysis

The most recent figure for rate of twin deliveries in New Zealand is 1.31, measured in 2021.

The figure is up 1.8% on the previous year and down 8.9% over ten years.

Over the whole period, rate of twin deliveries in New Zealand peaked at 1.68 in 2002 and was at its lowest, 0.833, in 1889.

New Zealand ranks 17th of 23 countries on this measure, in the middle of the range.

The long-run direction has been consistently rising across the 134 years of available data.

Averages by decade

DecadeAverage LowestHighest Years
1880s 0.932 0.833 1.03 2
1890s 1 0.943 1.08 10
1900s 1.01 0.878 1.11 10
1910s 1.15 1.1 1.25 10
1920s 1.15 1.04 1.27 10
1930s 1.17 1.05 1.25 10
1940s 1.3 1.2 1.4 10
1950s 1.3 1.18 1.38 10
1960s 1.1 1 1.22 10
1970s 1.01 0.962 1.08 10
1980s 1.08 1.01 1.17 10
1990s 1.31 1.18 1.52 10
2000s 1.56 1.4 1.68 10
2010s 1.37 1.23 1.45 10
2020s 1.3 1.29 1.31 2

Countries ranked near New Zealand

  1. 14 Sweden 1.36 compare
  2. 15 Czechia 1.34 compare
  3. 16 Norway 1.33 compare
  4. 18 Uruguay 1.28 compare
  5. 19 Finland 1.27 compare
  6. 20 Iceland 1.19 compare

See the full ranking of 23 places →

More reference data data for New Zealand

All data for New Zealand →

Frequently asked questions

What is rate of twin deliveries in New Zealand?
Rate of twin deliveries in New Zealand was 1.31 in 2021, according to Our World in Data.
What is the highest rate of twin deliveries recorded in New Zealand?
The highest recorded value was 1.68 in 2002.
What is the lowest rate of twin deliveries recorded in New Zealand?
The lowest recorded value was 0.833 in 1889.
How does New Zealand rank for rate of twin deliveries?
New Zealand ranks 17th out of 23 countries with data for 2021.
Is rate of twin deliveries rising or falling in New Zealand?
Over the last ten years it is down 8.9%. The long-run trend across the full record is rising.
Where does this New Zealand data come from?
The figures come from Our World in Data, published as part of Rate of twin deliveries. Statizoid updates them automatically from the source API.

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Rate of twin deliveries in New Zealand. Statizoid, drawing on Our World in Data. Retrieved 22 August 2026, from https://reference.statizoid.com/stat/rate-of-twin-deliveries/new-zealand/

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About this data

Indicator
Rate of twin deliveries
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
23 places, 2,436 data points, 1815–2022
Last refreshed