But according to data that doesn't mean they don't believe in starting families - they simply have a more flexible view of what constitutes a family.
Researchers said marriage doesn't dominate family life the way it used to. About one in three children is now living with a parent who is divorced, separated or never married.
Despite these numbers, the latest Census showed that 70 percent of Americans are or have been married at least once.
And while 44 percent of young Americans think marriage is obsolete, only 5 percent in that age range said they didn't want to get married themselves some day.