One-in-four parents living with a child in the United States today are unmarried, up from 7% in 1968. A growing share of unmarried parents are cohabiting partners.
In the last 50 years, fathers have become much more involved in the day-to-day lives of the children they live with. During that same time period, though, the share of fathers living apart from their children has risen dramatically, to 27% in 2010.