Scope of population geography
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One important area of study covers the components of population change or the factors responsible for change in the size of population. It must be understood that the population of any place at a specific time is a function of three types of events: births, deaths and migration.
There are four ways in which the number of people in any area can undergo change: (1) children may be born in that area; (2) the inhabitants of that area may die; (3) people from other areas may move into that area; and (4) inhabitants of that area may move out.
These components of population change, namely, births, deaths and migration are identified as fertility, mortality and migration respectively, and are known as demographic or population variables because the size, growth, structure and distribution of any population are determined by them. A study of any population is made through a study of these demographic variables.
It is important to understand at this stage the meaning of population structure and population characteristics.
Population structure implies the age and sex structure of the population and population characteristics include such characteristics as marital status, literacy and educational status, labour force status, etc.
Population characteristics, however, can and do change through "social mobility," that is, through movements of individuals from one status to another for example from "single" to "married" status and also through fertility, mortality and migration.
The scope of population studies is quite wide. On the one hand, this subject is concerned with a quantitative study of the size, structure characteristics and territorial distribution of human populations and the changes occurring in them.
There are four ways in which the number of people in any area can undergo change: (1) children may be born in that area; (2) the inhabitants of that area may die; (3) people from other areas may move into that area; and (4) inhabitants of that area may move out.
These components of population change, namely, births, deaths and migration are identified as fertility, mortality and migration respectively, and are known as demographic or population variables because the size, growth, structure and distribution of any population are determined by them. A study of any population is made through a study of these demographic variables.
It is important to understand at this stage the meaning of population structure and population characteristics.
Population structure implies the age and sex structure of the population and population characteristics include such characteristics as marital status, literacy and educational status, labour force status, etc.
Population characteristics, however, can and do change through "social mobility," that is, through movements of individuals from one status to another for example from "single" to "married" status and also through fertility, mortality and migration.
The scope of population studies is quite wide. On the one hand, this subject is concerned with a quantitative study of the size, structure characteristics and territorial distribution of human populations and the changes occurring in them.
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Population in any area, countries depends on the developing localities. Geographical, physical aspects are also responsible for growing population. Present days population is growing and changing. Modern technologies are improving the standard of life. So population is increasing, also population depends on phenomenon. Most population are in developing countries.
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