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 ...

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 ...