More young adults are living with their parents than at any time since 1940, according to new data. And for today’s millennials, it means that more than a third of young women and almost half of young men will have to say a sad goodbye to that dream of the Rachel-and-Monica-loft from Friends. The Pew Research Center data shows that about 36% of women and 48% of men ages 18-34 lived with their families in 1940.