"Figure 3: Estimated family size distribution for women born between 1920 and 1971 who are assumed to have completed their childbearing","" "England and Wales","" "","" "Notes","" "Unit","Percentages" "","" "Year of birth of woman","Childless","1","2","3","4+" "1920","21","21","27","16","15" "1930","13","18","30","19","20" "1940","11","13","36","22","18" "1950","14","13","44","20","10" "1960","19","12","38","20","11" "1970","17","18","37","17","10" "1971","18","18","37","17","10"