EMPLOYMENT, economic activity in which one engages and employs his or her time and energy. Before the first general census…

FERTILITY AND MORTALITY. Fertility and mortality in a population depend on sociocultural history, sanitary conditions, and biological factors. Although the…

FAMILY PLANNING, a term for programs to regulate family size that came into use in the West in the 1930s….

HUMAN MIGRATION. This subject includes three types of human migration in modern Iran: (1) migration within the country; (2) immigration…