Low-birthweight babies in New Zealand

New Zealand: Low-birthweight babies was 5.9% in 2020. ▬ Flat

Latest (2020)
5.9%
Change on year
down 0.3%
World rank
136th
of 157 countries
All-time high
6.2%
in 2000
All-time low
5.9%
in 2020
Years of data
21
2000–2020

Low-birthweight babies in New Zealand, 2000–2020

02462000201020202000: 6.2 % of births2001: 6.2 % of births2002: 6.1 % of births2003: 6.1 % of births2004: 6.1 % of births2005: 6.1 % of births2006: 6.1 % of births2007: 6.1 % of births2008: 6.1 % of births2009: 6.1 % of births2010: 6.1 % of births2011: 6 % of births2012: 6 % of births2013: 6 % of births2014: 6 % of births2015: 6 % of births2016: 5.9 % of births2017: 5.9 % of births2018: 5.9 % of births2019: 5.9 % of births2020: 5.9 % of births

Source: UNICEF-WHO Low birthweight estimates, UN Children's Fund (UNICEF). Measured in % of births.

Analysis

In 2020, low-birthweight babies in New Zealand stood at 5.9%. That is the lowest value across all 21 years on record.

The figure is down 0.3% on the previous year and down 3.3% over ten years.

Over the whole period, low-birthweight babies in New Zealand peaked at 6.2% in 2000 and was at its lowest, 5.9%, in 2020.

New Zealand ranks 136th of 157 countries on this measure, in the bottom quarter.

Low-birthweight babies in New Zealand, year by year

Annual values for Low-birthweight babies (% of births) in New Zealand, 2000 to 2020.
Year % of births Change
2000 6.2%
2001 6.2% -0.3%
2002 6.1% -0.4%
2003 6.1% -0.3%
2004 6.1% -0.3%
2005 6.1% -0.2%
2006 6.1% -0.1%
2007 6.1% -0.1%
2008 6.1% -0.1%
2009 6.1% -0.1%
2010 6.1% -0.2%
2011 6.0% -0.2%
2012 6.0% -0.3%
2013 6.0% -0.3%
2014 6.0% -0.4%
2015 6.0% -0.4%
2016 5.9% -0.4%
2017 5.9% -0.4%
2018 5.9% -0.3%
2019 5.9% -0.3%
2020 5.9% -0.3%

New Zealand compared with similar countries

  • New Zealand's 5.9% is below the median for high income countries, which is 7.5%, 78% of the median. (58 countries reporting)
  • New Zealand's 5.9% is below the median for East Asia & Pacific, which is 11.3%, 52% of the median. (23 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
2000s 6.1% 6.1% 6.2% 10
2010s 6.0% 5.9% 6.1% 10
2020s 5.9% 5.9% 5.9% 1

Countries ranked near New Zealand

  1. 133 Serbia 6.2% compare
  2. 134 Kyrgyzstan 6.0% compare
  3. 135 Albania 6.0% compare
  4. 137 Uzbekistan 5.8% compare
  5. 138 Ukraine 5.7% compare
  6. 139 Netherlands 5.7% compare

See the full ranking of 188 places →

More health data for New Zealand

All data for New Zealand →

Frequently asked questions

What is low-birthweight babies in New Zealand?
Low-birthweight babies in New Zealand was 5.9% in 2020, according to UNICEF-WHO Low birthweight estimates, UN Children's Fund (UNICEF).
What is the highest low-birthweight babies recorded in New Zealand?
The highest recorded value was 6.2% in 2000.
What is the lowest low-birthweight babies recorded in New Zealand?
The lowest recorded value was 5.9% in 2020.
How does New Zealand rank for low-birthweight babies?
New Zealand ranks 136th out of 157 countries with data for 2020.
Is low-birthweight babies rising or falling in New Zealand?
Over the last ten years it is down 3.3%. The long-run trend across the full record is flat.
Where does this New Zealand data come from?
The figures come from UNICEF-WHO Low birthweight estimates, UN Children's Fund (UNICEF), published as part of Low-birthweight babies (% of births). Statizoid updates them automatically from the source API.

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Low-birthweight babies in New Zealand. Statizoid, drawing on UNICEF-WHO Low birthweight estimates, UN Children's Fund (UNICEF). Retrieved 13 September 2026, from https://health.statizoid.com/stat/low-birthweight-babies-percent-of-births/new-zealand/

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About this data

Indicator
Low-birthweight babies (% of births)
Unit
% of births
Source
UNICEF-WHO Low birthweight estimates, UN Children's Fund (UNICEF)
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
188 places, 3,948 data points, 2000–2020
Last refreshed

Low-birthweight babies are newborns weighing less than 2,500 grams, with the measurement taken within the first hour of life, before significant postnatal weight loss has occurred.