Theorists such as Ralf Dahrendorf have noted the tendency toward an enlarged middle-class in modern Western societies, particularly in relation to the necessity of an educated work force in technological or service-based economies.. 
jẹ́ òṣèré tó gba ẹ̀bùn àkàDemi fún òṣèré Ọkùnrin dídárajùlọpọ̀àwọn Ọjọ́ìbí niàwọn ẹlẹ́bùn ADemi Ọkùnrin Òṣèré Diodua S.. 