At the end of the Second World War, women of childbearing age in a country reached the lowest point. In the mid-1950s, 10 years after the end of the Second World War, the average family had 4.5 children. Ten years ago, the number of women of childbearing age in the country reached an all-time high. At present, the average family has only 1.82 children.
The number of women of childbearing age has nothing to do with fertility can be drawn from the above.