The scientific study of human population is called_________.
Demography
Demography is the study of changes, such as the number of births, deaths, marriages, and illnesses that occur over a period of time in human populations. Birth rate is the number of live births per thousand of population per year. Population density is a measurement of population per unit area or unit volume. Mortality or death rate is a measure of the number of deaths in a particular population, scaled to the size of that population, per unit of time.