There are parts of the United States where the average age of a woman when she has her first child is 30. All things being equal, that would make a first-time g

There are parts of the United States where the average age of a woman when she has her first child is 30. All things being equal, that would make a first-time grandparent 60 years old at the birth of her grandchild and over 80 at his college graduation.