"Figure 4: Estimated family size distribution for women born between 1920 and 1970 who are assumed to have completed their childbearing, 1920 to 1970 ","" "England and Wales","" "","" "Notes","" "Unit","%" "","" "Year of birth of woman","Childless","1","2","3","4 or more" "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"