For Millennials, Parenthood Trumps Marriage - Pew Research Center
Likewise, about six-in-ten (63%) Millennials think that single motherhood is bad for society, compared with seven-in-ten (71%) adults ages 30 and older. More than four-in-ten (44%) Millennials say that the institution of marriage is becoming obsolete, compared with 37% of those ages 30 and older.