"Figure 1: The unexplained infant mortality rate has flattened in recent years","" "All unexplained infant mortality rate, England and Wales, 2004 to 2019p","" "","" "Notes","" "Unit","Death per 1000 live births (rate)" "","" "","Sudden Infant deaths","Unascertained infant deaths","Unexplained infant deaths" "2004","0.32","0.17","0.50" "2005","0.35","0.16","0.50" "2006","0.27","0.15","0.43" "2007","0.29","0.11","0.40" "2008","0.26","0.14","0.40" "2009","0.26","0.14","0.40" "2010","0.22","0.14","0.36" "2011","0.23","0.11","0.34" "2012","0.22","0.10","0.32" "2013","0.24","0.12","0.36" "2014","0.19","0.13","0.31" "2015","0.17","0.11","0.28" "2016","0.17","0.16","0.32" "2017","0.16","0.12","0.28" "2018","0.17","0.15","0.32" "2019p","0.16","0.11","0.27"