Demography

Demography

Demography (pronounced: /dɪˈmɒɡrəfi/) is the statistical study of populations, especially human beings. The term is derived from the Greek words demos meaning "people" and graphy meaning "description or measurement".

Demography encompasses the study of the size, structure, and distribution of these populations, and spatial or temporal changes in them in response to birth, migration, aging, and death.

Etymology

The term "Demography" is of Greek origin and is composed of two words, demos meaning "people" and graphy meaning "description or measurement". It was first used in English in the early 19th century.

Related Terms

• Population: The total number of individuals in a specific area at a specific time.
• Birth rate: The number of live births per 1,000 of population per year.
• Death rate: The number of deaths per 1,000 of population per year.
• Migration: The movement of people from one place to another.
• Aging: The process of becoming older, a central concern in demography.
• Census: An official count or survey of a population, typically recording various details of individuals.

See Also

• Population dynamics
• Population geography
• Population health
• Population pyramid
• Demographic transition
• Demographic economics

External links

• Medical encyclopedia article on Demography
• Wikipedia's article - Demography

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