The number of young adults living on their own has fallen to the lowest level in more than 50 years.
New census figures underscore the impact of the sluggish economy on people in their 20s, many of whom are college graduates.
The unemployment rate for 18- to 29-year-olds is 15.9 percent.
Many young adults are burdened with college debt and are opting to stay put, doubling up with roommates or living with parents instead of relocating because of work.
They are also delaying careers, marriage, and having children.
Evan Feinberg is president of Generation Opportunity, a non-profit organization advocating for economic opportunity for young people through less government and more freedom. He blamed the president's health care plan for the lack of jobs.
"Obamacare is a great example of government keeping its boot on the neck of small business owners," he charged. "And my generation is paying the price."