"The share of households with children where there is a mother who is the sole or primary breadwinner is up about fourfold from 1960, when it was only 11%," says report co-author Kim Parker, associate director of Pew Research Center's Social & Demographic Trends project.
These moms include two groups: 5.1 million (37%) are married mothers who have a higher income than their husbands, and 8.6 million (63%) are single mothers. The median family income for the first group was $79,800 in 2011, compared with $23,000 for the single mothers.
The growth of breadwinner moms is tied to women's increased employment rate and rising education levels, Parker says. Read more >>