Frazer Harrison/Getty Images More than half of Americans aged 21 to 37 have received financial assistance from a parent, guardian, or family member, according to Country Financial. Many are using this money for everyday needs, such as groceries and rent. This cohort also leaves the nest later in life — 35% still live at home with their parents. The latest is in regarding the myriad financial struggles millennials are facing: More than half of Americans (53%) aged 21 to 37 have received financial assistance from a parent, guardian, or family member since turning 21, according to the latest Country Financial Security Index.