"Figure 3: Infant, neonatal and postneonatal mortality rates for singleton and multiple births, babies born in 2013","" "England and Wales","" "","" "Notes","1. Neonatal - deaths under 28 days. 2. Postneonatal - deaths between 28 days and 1 year. 3. Infant - deaths under 1 year." "Unit","Rate per 1,000 live births" "","" "Type","Singletons","Multiple births" "Neonatal","2.4","11.5" "Postneonatal","1","3.2" "Infant","3.5","14.7"