In 2016 there were 42 deaths from SUDI
In 2016, 42 children under one year of age (<1 year) died from SUDI in New Zealand. This is a rate of 0.7 deaths per 1,000 live births.
Since 2000, the number (and rate) of SUDI deaths has decreased (Figure 1). SUDI accounts for roughly 18% of all infant deaths during this period.
Figure 1: Number of SUDI deaths, 2000–2016
SUDI rates are higher among Māori and Pacific babies, and in more deprived areas
In 2012–16, SUDI rates were far higher for Māori (1.3 deaths per 1,000 live births) and Pacific babies (1.2 deaths per 1,000 births) than babies in other ethnic groups (Figure 2).
Figure 2: SUDI deaths per 1,000 live births, by prioritised ethnic group, 2012–16
Babies living in the most deprived areas had a much higher SUDI rate (1.3 deaths per 1,000 live births) than those in the least deprived areas (Figure 3).
Figure 3: SUDI deaths per 1000 live births, by NZDep2013 quintiles, 2012–16
Tairāwhiti and Whanganui DHBs had the highest SUDI rates in 2012–16
In 2012–16, the District Health Boards (DHBs) with the highest SUDI rates were Tairāwhiti and Whanganui DHBs.
See the factsheet for more details (in the Downloads box).
Information about this data
Sudden unexpected death in infancy (SUDI)
Source: Fetal and Infant Deaths 2016 
Definition: Deaths in children aged under one year of age (<1 year old) with an underlying cause of death in the following ICD-10AM codes: R95, R96, R98, R99, W75, W78, W79. Rates are presented per 1000 live births.
For more information, see the metadata sheet.
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3. Ministry of Health. 2019. Fetal and Infant Deaths 2016. Wellington: Ministry of Health.