The social novel, also known as the social problem novel, is a "work of fiction in which a prevailing social problem, such as gender, race, or class prejudice, is dramatized through its effect on the characters of a novel". More specific examples of social problems that are addressed in such works include poverty, conditions in factories and mines, the plight of child labor, violence against women, rising criminality, and epidemics because of over-crowding and poor sanitation in cities.

Proletarian literature refers here to the literature created by left-wing writers mainly for the class-conscious proletariat. Though the Encyclopædia Britannica states that because it "is essentially an intended device of revolution", it is therefore often published by the Communist Party or left-wing sympathizers, the proletarian novel has also been categorized without any emphasis on revolution, as a novel "about the working classes and working-class life; perhaps with the intention of making propaganda". This different emphasis may reflect a difference between Russian, American and other traditions of working-class writing, with that of Britain. The British tradition was not especially inspired by the Communist Party, but had its roots in the Chartist movement, and socialism, amongst others. Furthermore, writing about the British working-class writers, H Gustav Klaus, in The Socialist Novel: Towards the Recovery of a Tradition (1982) suggested that "the once current [term] 'proletarian' is, internationally, on the retreat, while the competing concepts of 'working-class' and 'socialist' continue to command about equal adherence".