The NRS social grades are a system of demographic classification used in the United Kingdom. They were originally developed by the National Readership Survey in order to classify readers but are now used by other organisations for wider applications and market research. Demography is the study of human population dynamics. ...
The grades are often grouped into ABC1 and C2DE and these are taken to equate to middle class and working class respectively. This graph shows the American definition of social class according to the New York Times using the quintiles as measurement for class. ... The middle class (or middle classes) comprises a social group once defined by exception as an intermediate social class between the nobility and the peasantry. ... Wikipedia does not yet have an article with this exact name. ... The term working class is used to denote a social class. ... A social class is, at its most basic, a group of people that have similar social status. ...