Formal demography is mainly concerned with measurements. It is concerned with things like birth, death, emigration, marriage, divorce, etc. Social demography stresses the social, economic and political aspects of the population.
The main function of formal demography is measuring and analyzing the components of population change. It stresses evolutionary analysis. For this, it uses mathematical and statistical methods. It is a method that helps in foreseeing changes in population growth and its structure.
Social demography or population studies study the reasons for changes in population and its structures and their results (repercussions). Social demographers believe that demographic processes are controlled by social processes and structures. People like social scientists, demographers also try to nd out the social causes for demographic tendencies.
