According to this far-reaching study by think-tank, Brookings, the American upper middle class is separating from the rest of society. They argue that gaps are growing on a whole range of dimensions, income, family structure, education, lifestyle, and geography.
Source: The dangerous separation of the American upper middle class | Brookings Institution
Firstly, there was the ‘American Dream’ , then in recent years there has been a preoccupation with the top 1%, now we are led to believe that it’s the top 20% who are pulling away from the rest. In the US, income is an important leveler but also elitist education.