Washington Post reporter Carol Morello explains the cause of older generations to stay in suburbs:
"The nation's baby boomers - 76 million people born between 1946 and 1964 - were the first generation to grow up in suburbia, and the suburbs is where many chose to rear their own children. Now, as the oldest boomers turn 65, demographers and local planners predict that most of them will not move to retirement areas such as Florida and Arizona. They will stay put."
"Thanks largely to the baby-boom generation, four in 10 suburban residents are 45 or older, up from 34 percent just a decade ago. Thirty-five percent of city residents are in that age group, an increase from 31 percent in the last census."