Thanks to a declining birth rate, upticks in immigration, and evolving gender roles, America looks much different from the way it did 100, 50, or even 25 years ago. Aging baby boomers are putting stress on the current health care system. Young people have different values and priorities from those of previous generations. Unequal distribution of wealth has created a greater economic divide than ever before. How will America's shifting demographics affect the country's future? Through diverse viewpoints, this fascinating volume explores the many factors that contribute to what it means to be an American and how that might change in this century.