"Figure 1: Completed family size has been falling since the 1935 cohort","" "Average number of live-born children by age 30 years and completed family size, by year of birth of woman, 1920 to 1988, England and Wales","" "","" "Notes","1. Completion of childbearing is assumed to end at age 45 years (the day before a woman’s 46th birthday). " "Unit","Average number of live-born children" "","" "Year of birth of woman","By 30th birthday","Completed family size" "1920","1.27","2.00" "1921","1.33","2.05" "1922","1.33","2.05" "1923","1.36","2.10" "1924","1.37","2.11" "1925","1.37","2.12" "1926","1.41","2.18" "1927","1.43","2.20" "1928","1.46","2.24" "1929","1.49","2.26" "1930","1.55","2.35" "1931","1.57","2.34" "1932","1.59","2.34" "1933","1.66","2.39" "1934","1.73","2.42" "1935","1.78","2.42" "1936","1.80","2.40" "1937","1.83","2.39" "1938","1.86","2.39" "1939","1.87","2.36" "1940","1.89","2.36" "1941","1.89","2.34" "1942","1.86","2.29" "1943","1.83","2.24" "1944","1.80","2.21" "1945","1.77","2.19" "1946","1.74","2.19" "1947","1.63","2.08" "1948","1.62","2.11" "1949","1.57","2.08" "1950","1.54","2.07" "1951","1.51","2.04" "1952","1.50","2.05" "1953","1.48","2.05" "1954","1.44","2.02" "1955","1.42","2.02" "1956","1.40","2.02" "1957","1.38","2.01" "1958","1.35","1.99" "1959","1.32","1.98" "1960","1.31","1.98" "1961","1.28","1.96" "1962","1.25","1.94" "1963","1.22","1.93" "1964","1.20","1.92" "1965","1.18","1.91" "1966","1.17","1.91" "1967","1.16","1.91" "1968","1.15","1.92" "1969","1.12","1.91" "1970","1.10","1.91" "1971","1.06","1.90" "1972","1.03","1.89" "1973","1.00","1.89" "1974","1.00","" "1975","0.99","" "1976","0.99","" "1977","0.98","" "1978","0.98","" "1979","1.00","" "1980","1.01","" "1981","1.01","" "1982","1.02","" "1983","1.02","" "1984","1.02","" "1985","1.02","" "1986","1.02","" "1987","1.03","" "1988","1.01",""