Stat: 86. The percentage of women ages 40-44 who are mothers, compared with 80 percent in 2006, according to a Pew Research Center analysis. Story: American women are waiting longer to have children—but are more likely to have kids than they were a decade ago. Also, 1 in 4 parents living with a child is not married. In this episode, a Pew researcher explains the data behind this change in the American family, and we meet two moms who share why they waited.