1. Summary
Population statistics refer to studies of population size and structure, distribution and birth, death, migration and aging. Population statistics are used to describe various social phenomena. Demographers are interested in changing the population of society. Therefore, they study the relationship between population change and social change. Recently, there has been a growing population worldwide. The development of hygiene, medical science, and abundant supply of food are the reasons. Overpopulation refers to a population that is beyond the acceptability of nature. This overpopulation causes a variety of problems and therefore a solution is needed. Urbanization is also a phenomenon in which the population of the country is concentrated in urban areas. Because cities have a variety of amenities and opportunities, the population of cities occurs all over the world. However, this phenomenon also has side effects. There is a lack of work force due to the city's heat island problems or a decrease in the rural population.
2. Interesting
It was interesting that the population distribution worldwide was similar. While birthrates have been high and infant mortality has been high in the past, birthrates have declined and infant mortality has decreased in recent years. This is not just a phenomenon of our country, but something that is commonly found all over the world. Despite the diverse history of each country and the diverse channels of historical development, these demographic trends are common. Although the nation is more serious, in many countries these days, there are concerns about the declining birthrate.
3. Discussion
Will population policy always work?
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