Metro ServiceWhile shrinking families may be based on many different factors, including postponing having children until later in life, the rising costs of raising kids may have something to do with it as well. A generation ago, it was common to see families with four or more children. But things are a bit different today. Pew Social Trends indicates that parents now have 2.4 children on average, a number that has remained fairly stable for two decades. In addition, since 1976, the share of mothers at the end of their childbearing years who have one child has doubled, from 11 percent to 22 percent. While shrinking families may be based on
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