When Granny Comes Marching Home Again... Multi-Generational Housing

New Geography reports:

Many young people moved back home with their parents when their high paying jobs in real estate or mortgage brokerage disappeared. With their jobs and income gone, they sought refuge in the safety of their childhood homes. Their parents ended any speculation of selling and down-sizing when their children returned. With job creation non-existent, they do not plan on leaving anytime soon. In one recent Pew study, 13 percent of parents with grown children reported one of their adult offspring had moved back home in the past year. Roughly half of the population 18 to 24 still lives with their parents.

An article well worth your time.