Statistics >> Vital Statistics
Demography is defined as the study of measurement of human population. It is the quantitative study of human population with respect to events such as birth, sex, age, caste, literacy, worker, income, marital status, natality and fecundity, migration, death etc. The word 'Demography' was introduced by a Belgian Achille Ouillard. Demography has many facts and vital statistics is one of them.
VITAL STATISTICS
The vital events are all those which may occur to an individual during his life time such as birth, death, marriage, separation, sickness, adoption etc. By the help of vital events, the health and growth of a community can be studied. Vital statistics refers to the data or the techniques applied for the analysis of vital events occurring in a community.
A few definitions of vital statistics are quoted below:
1. "Vital statistics are conventional numerical records of marriage, births, sickness and deaths by which the health and growth or a community may be studied"- Benjamin.
2. "The branch of Biometry which deals with data and the laws of human mortality, morbidity and demography"- Arthur Newsholme,
Uses of vital statistics
Vital statistics are useful from different points of view. Some of them are
(i) Vital statistics help us in analyzing demographic trends in the country.
(ii) Vital statistics till the gap in the census method and supplement it.
(iii) Knowledge of vital events makes it easy to know the future population figures with the help of population projection.
(iv) The registration of vital events give us an idea of the requirements of the health service like hospital, maternity and child welfare centres etc.
(v) The study of the vital statistics enables the government to assess the impact of family planning on population growth.
(vi) Vital statistics are useful in disease eradication programs.
(vii) Vital statistics are beneficial in studying the social situation prevalent in the society.
(viii) They are useful to Actuaries In framing insurance policies and in the calculation of premiums.
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