To determine:
The definition of term demography, demographic transition, zero population growth and age structure.
Explanation of Solution
Demography: Demography is described as the study of the human population. It deals with the size, distribution and composition of the population in different regions.
Demographic transition: It is a theory that suggests the possible transitions occurring in a population of a country or a geographical region. In this theory, the birth rate increases and the death rate decreases significantly.
Zero population Growth: It is referred to as a condition, in which the number of individuals in a population neither increases nor decreases. In this case, the birth rate or the number of individuals born in a region is equal to the death rate, i.e., the number of individuals who died.
Age structure: It is a graphical representation of the proportion of individuals of different ages. It gives an idea about the number of individuals in a particular age group and also gives an insight into the sex ration in the different age groups. Given below is a typical representation of the age structure of a population.
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