For a three-person household, the national middle income is between approximately $56,600 to $169,800 annually, according to ...

You may assume that American upper-middle-class households are comprised of people earning the exact same income, and if you just reach that set number, you too will become an elite member of ...

The most striking finding is a steady deceleration in the growth of the middle class. Throughout the 1990s and 2000s, an ...