Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online.In sociology, anthropology, and various other social sciences, social stratification refers to the hierarchical arrangement of individuals into divisions of power and wealth within a society. The term most commonly relates to the socio-economic concept of class, involving the "classification of persons into groups based on shared socio-economic conditions ... a relational set of inequalities with economic, social, political and ideological dimensions."