The Brookings Institution, Metropolitan Policy Program – Mapping the Growth of Older America, by William H. Frey: “Aging baby boomers constitute this decade’s fastest growing age group, expanding nearly 50 percent in size from 2000 to 2010. This group-more highly educated, with more professional women, and more diverse than its predecessors-will add new stresses to suburban and Sun Belt locations where they are predominantly “retiring in place” with demands for health, transportation, and other services.”