Sources, uses and interpretation of population data.

POPULATION DATA means information on population. Or is the information pertaining to population and relate direct with some economic, social and demographic matters.

SOURCES, USES AND INTERPRETATION OF POPULATION DATA

SOURCES OF POPULATION DATA

There are two basic sources of population data, There are Primary sources and Secondary sources.

  • Primary sources, this is a source of population data which is obtained directly via registration of person like registration of births and deaths, data is also obtained first hand when there is population census and when sample survey are limited amount of data could also be obtained from resourceful persons. 
  • Secondary sources of population data, include reports in population which are compiled and published as census reports, data is also obtained from textbooks and other reference books, atlases, magazines, newspaper, journals, periodicals and research papers.


It can also be obtained from draft reports, annual reports as well statistical abstracts which are published annually and are available in government offices.

Population data may also be obtained or available in the electronic media as well as on the internet.

INTERPRETATION OF THE POPULATION DATA

When population data has been collected, it is subjected to processing or analysis. It is during this process that calculations are made, these include means densities, birth and death rate, sex ratios and other relevant information population

Statistics can be studied in their raw form or in a processed form by studying such information, conclusions can be made and explanation sought.

USES OF POPULATION DATA

Population numbers and density enable the government to plan on low to allocate resources. Also, the knowledge of population can be useful in solving land congestion.

Data birth and death rates, as well as fertility and mortality, enable the government to plan how to provide medical services and health education, especially where the death rate is very high.

Data on migration can enable a government to plan how to curb the influx of people into urban areas from the rural regions if corrective measures is taken, loss of manpower in the rural areas would be curbed as well as reducing the influx of immigrants in urban centers.

Knowing the number of dependents enables the government to plan for the expansion of schools, medical, and other social amenities to take care of large number of children below the age of 15. When the government has ideas about the number of the aged, It can budget for the provision of welfare better

It enables planning for the creation of jobs, population census data provide information about overpopulation and under population.

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