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Methodological explonations
Crude death rate is expressed in terms of the average annual number of deaths during a calendar year. It is the ratio of the number of death to average annual population size in the calendar year and computed per 1000 population.
Age-specific death rates are computed as ratio of deaths in the given age during a calendar year to average annual number of persons of the given age by current estimate.
Infant mortality rate characterizes mortality of the infant under 1 year. It is the ratio of the number of mortality cases under 1 year to total number of live birth.
This calculation is carried out for children under 5 years old (0-4 years old) and determines level of child death.
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