Social scientists use 3 common methods to define class—by occupation, income, or education—and there is really no consensus about the “right” way to do it. Michael Zweig, a leading scholar in ...

NPR's Robert Siegel talks to Sherry Linkon, co-director of the Center for Working-Class Studies at Youngstown State University, about the difficulty of defining what "middle class" is today. We asked ...

Last weekend, Pastor Rick Warren asked both presidential candidates to define the income at which “you move from middle class to rich.” The context of the question was, of course, the difference in ...

BOSTON (CBS) - How do you define middle class based on income? It's the kind of question that most politicians fear - and I'm guessing that's why Jon Keller chose to ask it during last night's debate.

Who makes up the middle class? Surveys suggest that half to 90 percent of Americans consider themselves members of the economic middle class. These respondents may have annual gross earnings of ...