Michael Petruccelli says; According to the AARP study of Householder 50+: 2,500,000 have child & grandchild living with them. 2,200,000 have parent living with them. 1,200,000 have parent and a child living with them. 1,100,000 have grandchild living with them. 68,000 have parent, child & grandchild living with them. 25,000 have parent and a grandchild living with them.
