In terms of the media in the UK, there are usually two or three types of classes that are portrayed on the media; the Upper Class, the Middle Class and the Working Class.
The Upper class usually consists of the peerage,gentry and landowners. These people were traditionally the wealthiest in the land having inherited money and position.
The middle class usually consists of Middle middle class in Britain often consists of people with a tertiary education.They would be engaged in owning and running businesses; working for larger corporations in management and middle management; teaching, social work and engineering, accountancy, information technology, as doctors and other skilled jobs, but they also often work in the traditional professions (law, the military, finance, the clergy, and medicine)
The lower class/working class is a term used in the social sciences and in ordinary conversation to describe those employed in lower tier jobs (as measured by skill, education and lower incomes), often extending to those in unemployment or otherwise possessing below-average incomes. Working classes are mainly found in industrialised economies and in urban areas of non-industrialised economies.
Eastenders is a great example of how this is portrayed, they have a middle class doctor and a working class single mother.