Data recently published for 2015 by the Office of National Statistics on the changing composition of families over time, comparing women of the same age and the children they have had.
Image Source: NHS Photobank
“Women born in 1970 who completed their childbearing in 2015 had an average 1.91 children per woman, fewer than their mother’s generation (born 1943) who had 2.24 children. Childlessness was higher for the 1970 cohort (17%) than for the 1943 cohort (12%)”.
Pamela Cobb, Population Statistics Division, Office for National Statistics.