Top Highlights

• A short definition of demography is the systematic and scientific study of human populations.
• Demography is the social science that studies: (1) the size, composition, and distribution of the human population of a given area at a specific point in time; (2) the changes in population size and composition; (3) the components of these changes (fertility, mortality, and migration); (4) the factors that affect these components; and (5) the conse...
• Hence, demography may be more broadly defined as the scientific study of the size, composition, and distribution of human populations and their changes resulting from fertility, mortality, and migration.
• I will then consider the so-called demographic equation. Two of the most important variables used by demographers are age and sex;
• Demography is the study of three basic processes: fertility, migration, and mortality. These are referred to as the demographic processes.