Re:America's Young Adults at 27: Results From a Longitudinal...
by pedrosorio on Sunday April 06, 2014 @04:18AM
(#7540253)
More than 50% were married or cohabiting. That would make it possible for every single child to be in a household being raised by a couple. This is probably the figure you are looking for:
"Sixty-five percent of married individuals had at least one child in the home, compared with 21 percent of single individuals"
"Nearly 41 percent of young adults had their own or their partner's child in the household at age 27."