A greater share of mothers are not working outside the home than at any time in the past two decades, according to a new Pew Research Center report. After declining for several decades — bottoming out at 23% around the turn of the century — the share of stay-at-home mothers has risen in fits and starts over the past decade and a half, to 29% in 2012, according to the Pew Research analysis of census data. While there are many reasons driving this trend, one likely reason is the rising cost of child care. Mothers who do work are paying more than ever for child care. In inflation-adjusted dollars, average weekly child care expenses for families with working mothers who paid for child care (24% of all such families) rose more than 70% from 1985 ($87) to 2011 ($148), according to research by the Census Bureau. For those families, child-care expenses represent 7.2% of family income, compared to 6.3% in 1986 (the earliest year available).
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