By the year 2030, one billion people worldwide will be 65 or older. Some worry the graying boom will have devastating effects on economies around the world, while some say productivity growth moves faster than population aging. We talk with a panel of experts with varying opinions about the impact of an aging population.
Ted Fishman, author of "Shock of Gray: The Aging of the World's Population"
Adele Hayutin, director of the Global Aging Program at the Stanford Center on Longevity
Mark Weisbrot, co-director of the Center for Economic and Policy Research in Washington, D.C.