Population or demography is the study of population number, composition, change, and quality as they influence the economic, political, and social system. 
jẹ́ òṣèré tó gba ẹ̀bùn àkàDemi bí obìnrin òṣèré tódárajùlọ.Ìtọ́kasíàwọn Ọjọ́ìbí ni àwọn ẹlẹ́bùn ADemi obìnrin Òṣèré dídárajùlọ Sago.. 