Single parent
In the United States, 83% of single parents are mothers. Among this percentage of single mothers: 45% of single mothers are currently divorced or separated, 1.7% are widowed, 34% of single mothers never have been married. Although decades ago, having a child outside of marriage and/or being a single mother was not prominent. Census information from 1960 tells us that in that year, only nine percent of children lived in single parent families. Today four out of every ten children are born to an unwed mother.
Divorce in the United States
In their 1997 study titled "Child Custody Policies and Divorce Rates in the US," Kuhn and Guidubaldi find it reasonable to conclude that women anticipate advantages to being single, rather than remaining married. In their detailed analysis of divorce rates, Kuhn and Guidubaldi conclude that acceptance of joint physical custody may reduce divorce. States whose family law policies, statutes, or judicial practice encourage joint custody have shown a greater decline in their divorce rates than those that favor sole custody.