Social Stratification in the People's Republic of China 19 February 2011, Cervera de los Montes A4 (29,7 x 21,0 cm) Water color and pencil on paper i Social stratification refers to the socio-economic concept of class, involving the classification of persons into groups based on shared socio-economic conditions. Li Yi is a Chinese sociologist. Tags: China, class, sociology 370 / 779