 A Harris poll found that 45% of young adults in their 20s are living with their parents, making it the most common living arrangement for that age group for the first time since the Great Depression. While this might initially seem like overdependence among a generation, it turns out it's beneficial for all parties. The boomerang kids are contributing to household income and household labor. It was only after World War II that federal programs like the GI Bill gave young people an incentive to buy their own homes, but with people living longer and delaying maturity benchmarks like marriage and children,