Working class
Working class is a term used to describe people in society who have jobs which are not academic or highly paid. They're usually jobs which are physical, especially when they are paid an hourly wage.
Different societies will have different ideas about what "working class" is. People started talking about the working class after industrialization in the early 19th century. Karl Marx wrote about the working class.
Working class contrasts with middle class and upper class, which are above working class. The underclass is below the working class.
Working Class Media
Construction workers, commonly regarded as working class, at work at St. Paul's Hospital Cardiac center in Ethiopia, 2017
Working class life in Edwardian St Ives in Cornwall, England, 1906
Striking teamsters battling police on the streets of Minneapolis, Minnesota, June 1934
Communist conception of class society in 1900—1901. The drawing was based on a leaflet of the "Union of Russian Socialists"