Because typically only the upper classes bothered to record their activities. Quite frequently other classes were illiterate and left no records at all.
upper class, elite, high brow, rich
Ruling Class
1 percent
The upper class of Latin American society is often referred to as the elite or the wealthy elite. They typically hold significant economic and social power and often come from generations of privilege.
upper-class, lordly, titled, elite, noble, patrician, blue-blooded
The upper class
Saudi Arabia is an aristocracy.
Delagates of the Third Estate, whose views had been shaped by the Enlightenment, The upper class. The factory owners. The professional class. The political elite. The social class with a means of production and capital.
food and goods
F. Scott Fitzgerald is known for portraying upper-class Americans in his novels, particularly in works like "The Great Gatsby" which explores the decadence and excess of the Jazz Age elite.
The opposite of the Hoi Polloi would be the elite or aristocracy, referring to the upper class or privileged individuals in society.
People of wealth and power are often referred to as the elite or the affluent. They may also be described as the upper class or the ruling class in society.