"Figure 3: Low birthweight babies continue to have a higher unexplained infant mortality rate","" "All unexplained infant deaths by birthweight, England and Wales, 2004 to 2019p","" "","" "Notes","" "Unit","Death per 1000 live births (rate)" "","" "","Low birth weight (under 2,500 grams)","Normal birth weight (2,500 grams and over)" "2004","1.87","0.38" "2005","1.99","0.38" "2006","1.44","0.34" "2007","1.22","0.33" "2008","1.45","0.32" "2009","1.69","0.3" "2010","1.25","0.29" "2011","1","0.28" "2012","0.86","0.28" "2013","1.04","0.31" "2014","0.87","0.26" "2015","1.11","0.21" "2016","1.26","0.24" "2017","1.04","0.21" "2018","1.18","0.25" "2019p","1.11","0.19"