Learn more about the upper class, what defines it, its impact, income levels, and its distinction from the middle and working ...

A stylish upper-class senior couple enjoying a glass of wine in their home - Yuliya Taba/Getty Images The average American worker's income eventually hits a ceiling in late middle age, often leading ...

The average American worker's income eventually hits a ceiling in late middle age, often leading to mistakes that mass-affluent people make all too often. If you manage to work your way into the upper ...