Grandparents by the numbers.

70 million
According to grandparents.com, there are about 70 million grandparents in the U.S., and there are an average of 1.7 new grandparents added to the ranks every year.

6.2 million
According to the U.S. Census Bureau, 6.2 million grandparents had grandchildren younger than 18 living with them in 2007, the latest year for which data is available.

48
The average age of grandparents is 48, according to statistics compiled by grandparents.com. About 43 percent become grandparents in their 50s, and 37 percent in their 40s.

1.5 million
There were about 1.5 million grandparents who were responsible for their grandchildren’s basic needs who were still in the labor force in 2007, according to the U.S. Census Bureau.

$44,469
According to the U.S. Census Bureau, the median income for families with grandparent caregivers was $44,469 in 2007.

9 percent
According to the U.S. Census Bureau, about 9 percent of all U.S. children lived with a grandparent in 2008.

30
About 30 percent of children younger than 5 whose mother worked outside the home were cared for by a grandparent during their mother’s work hours, the largest source of child care aside from fathers, according to the U.S. Census Bureau.

63
A survey of grandparents taken by grandparents.com found that 63 percent say they can do a better job taking care of grandchildren than they did with their own kids.