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In demographics, the term demographer represents an expert whose job is to statistically study the population of human beings to determine the population change based on their size and composition.

In demography, the group of human beings is scientifically studied, and demographers focus on the population composition, population distribution, and population size variation.

Examples of population traits in demographics are age, education, gender, marital status, nationality, living status, number of children, and employment nature.

The static (study of the community structure of a population) and dynamic (focuses on community function with changing demographic components like mortality and fertility) are considered two distinct kinds of demography.

In demography, when the whole group of humans living in a state or territory is limited by the food supply, disease effects, and environmental factors, it is called the human population.

Some benefits of controlling the human population are avoiding overpopulation, global warming reduction, poverty reduction, fewer unwanted children, pollution level reduction, and crime mitigation.

The growth rate can be predicted by using age structure data to determine the economic development of a population.

The heavy age structure data with a disproportionate number of individuals will continuously increase their growth rate due to their reproductive capability.The uniform age structure data predicts the more stable size of the population.