The findings by the Pew Research Center, released Wednesday, highlight the growing influence of "breadwinner moms" who keep their families afloat financially. While most are headed by single mothers, a growing number are married mothers who bring in more income than their husbands.
Demographers say the change is all but irreversible and is likely to bring added attention to child-care policies as well as government safety nets for vulnerable families. But the study found the general public is not at all sure that having more working mothers is a good thing.