Demographics | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-10-03

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Demography


00:01:39 1 History
00:05:16 2 Methods
00:05:35 2.1 Direct methods
00:07:46 2.2 Indirect methods
00:10:09 3 Common rates and ratios
00:13:28 4 Basic equation
00:16:38 4.1 Science of population
00:16:49 5 See also
00:17:23 6 Notes
00:17:33 7 Further reading
00:19:58 8 External links
00:20:08 == Notes
00:20:20 == Further reading
00:23:21 External links



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- Socrates


SUMMARY
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Demography (from prefix demo- from Ancient Greek δῆμος dēmos meaning "the people", and -graphy from γράφω graphō, implies "writing, description or measurement") is the statistical study of populations, especially human beings. 
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. As a very general science, it can analyze any kind of dynamic living population, i.e., one that changes over time or space (see population dynamics).  Demographics are quantifiable characteristics of a given population.
Demographic analysis can cover whole societies or groups defined by criteria such as education, nationality, religion, and ethnicity. Educational institutions usually treat demography as a field of sociology, though there are a number of independent demography departments. Based on the demographic research of the earth, earth's population up to the year 2050 and 2100 can be estimated by demographers. 
Formal demography limits its object of study to the measurement of population processes, while the broader field of social demography or population studies also analyses the relationships between economic, social, cultural, and biological processes influencing a population.