The most vital source for obtaining vital statistics data is the registration technique that consists of the incessant and permanent registration of vital events, related to births, deaths, migrations, marriages, etc. These data, in addition to their statistical utility, have their value as legal documents. The birth registration made in this world provides all the details about the birthplace, sex, age and religion of the parents, the legitimacy, the number of previous problems and their respective sexes, the occupation of the father and the place of birth of the parents. Similarly, the death registry provides all the information about the place of death, age, sex, marital status, place of birth, occupation, number of problems and cause of death. Similar information is also obtained with regard to marriages and migrants.
Many countries impose mandatory registration of births and deaths according to their legislation. For example, each new birth that takes place must be reported to the authorities along with detailed information. In the same way, the death, marriage and migration of an individual or group of people are also recorded for future needs of any statistical study or government needs.
Shortcomings of the registration method:
In most nations, it is seen that there is no legislation in rural areas, which makes the registration of vital events such as birth, death, marriage and migration. When we calculate the national mortality or fatality rate, those regions are openly neglected and the result is definitely not correct. In such cases, the statisticians take the calculation of the error, but still the result is not 100% accurate because the lowest 10-20% of the population is neglected due to the lack of the registration process. This is one of the main drawbacks of this registration process.
It also appears in many cases that the person responsible for maintaining the records of such vital statistics is not very stern in completing the responsibility, resulting in improper maintenance of the registration records of these vital events.
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