socio ecomomic class

The NRS social grades are a system of demographic classification used in the uk .

They were developed over 50 years ago and achieved widespread usage in 20 th century Britain .

Grade	Social class	Chief income earner's occupation	Frequency in 2008[3]
A	upper middle class	Higher managerial, administrative or professional	4%
B	middle class	Intermediate managerial, administrative or professional	23%
C1	lower middle class	Supervisory or clerical and junior managerial, administrative or professional	29%
C2	skilled working class	Skilled manual workers	21%
D	working class	Semi-skilled and unskilled manual workers	15%
E	non working	Casual or lowest grade workers, pensioners, and others who depend on the welfare state for their income	8%