11.   The Decline in the general fertility rate was matched by a reduction in family size.

12.   The Decline of infant mortality makes it easier to accept the idea of smaller family size.

13.   The good news is that in many countries the definition of what constitutes ideal family size is already evolving downward.

14.   The most immediately striking point is family size.

15.   There are differences in family size and family structure, in numbers of children and extended kinship systems.

16.   There are noticeable class differences in family size.

17.   There have, for example, been slight increases in average family size and in the average age at Marriage.

18.   Thus, the effect of birth order on child survival also resembles the probable effect of family size.

19.   To preserve expected standards as far as possible, Marriage will be delayed and family size kept small.

20.   Women there have abortions again and again because it is the only way they can limit their family size.