Figure 1: Unexplained infant mortality rate has been generally declining since 2004
Unexplained infant mortality rate, England and Wales, 2004 to 2016 and provisional data for 2017
Source: Office for National Statistics - Deaths in England and Wales
- Figures are based on death occurrences.
- Data for 2017 are provisional.
- Sudden infant deaths are coded to ICD-10 code R95 and unascertained deaths are coded to ICD-10 code R99.
- Unexplained infant deaths include both sudden infant deaths and unascertained deaths.
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