"Figure 1: Percentage of live births by age group of mother and father, 2017","" "England and Wales","" "","" "Notes","1. Percentages may not sum due to rounding. 2. For fathers, the percentages have been calculated excluding births that were registered solely by the mother and the father's information was not recorded." "Unit","%" "","" "","Mothers (%)","Fathers (%)" "Under 20","3.0","1.1" "20 to 25","14.4","8.3" "25 to 29","28.0","21.7" "30 to 34","31.9","30.7" "35 to 39","18.4","23.1" "40 to 44","4.0","9.9" "45 and over","0.3","5.2"