Age-specific mortality rate

The Age-specific mortality rate (pronounced: /ˈeɪdʒ spɛsɪfɪk mɔːrˈtalɪti reɪt/) is a statistical measure used in epidemiology and public health to quantify the mortality rate in a specific age group within a population.

Etymology

The term is derived from the English words "age", "specific", "mortality", and "rate". "Age" comes from the Old English æg, "specific" from the Latin specificus, "mortality" from the Latin mortalitas, and "rate" from the Latin rata.

Definition

The Age-specific mortality rate is defined as the total number of deaths in a specific age group per unit of population of the same age group, usually per 1,000 or 100,000, during a specified time period. It is a crucial tool for understanding the health status and life expectancy of a population.

Calculation

The Age-specific mortality rate is calculated by dividing the number of deaths in a specific age group during a specified time period by the mid-year population of that age group during the same time period, and then multiplying the result by a constant, usually 1,000 or 100,000.

Related Terms

Mortality rate: The measure of the number of deaths in a population, scaled to the size of that population, per unit of time.
Infant mortality rate: The number of deaths of infants under one year old per 1,000 live births.
Crude death rate: The total number of deaths per year per 1,000 people.
Life expectancy: The average number of years a person is expected to live, based on current age and sex specific death rates.

External links

Medical encyclopedia article on Age-specific mortality rate
Wikipedia's article - Age-specific mortality rate

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Age-specific mortality rate