A description of the definition nature scope and importance of demography

Ibn Khaldun statue in TunisTunisia — Sociological reasoning predates the foundation of the discipline. Social analysis has origins in the common stock of Western knowledge and philosophyand has been carried out from as far back as the time of ancient Greek philosopher Platoif not before. There is evidence of early sociology in medieval Arab writings.

A description of the definition nature scope and importance of demography

Abbreviationswhich includes all abbreviations and acronyms used in the Factbook, with their expansions. Acronyms An acronym is an abbreviation coined from the initial letter of each successive word in a term or phrase.

In general, an acronym made up of more than the first letter of the major words in the expanded form is rendered with only an initial capital letter Comsat from Communications Satellite Corporation; an exception would be NAM from Nonaligned Movement.

Administrative divisions This entry generally gives the numbers, designatory terms, and first-order administrative divisions as approved by the US Board on Geographic Names BGN.

Changes that have been reported but not yet acted on by the BGN are noted. Geographic names conform to spellings approved by the BGN with the exception of the omission of diacritical marks and special characters. Age structure This entry provides the distribution of the population according to age.

Information is included by sex and age group as follows: The age structure of a population affects a nation's key socioeconomic issues.

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Countries with young populations high percentage under age 15 need to invest more in schools, while countries with older populations high percentage ages 65 and over need to invest more in the health sector. The age structure can also be used to help predict potential political issues.

For example, the rapid growth of a young adult population unable to find employment can lead to unrest. Agriculture - products This entry is an ordered listing of major crops and products starting with the most important. Airports This entry gives the total number of airports or airfields recognizable from the air.

A description of the definition nature scope and importance of demography

The runway s may be paved concrete or asphalt surfaces or unpaved grass, earth, sand, or gravel surfaces and may include closed or abandoned installations. Airports or airfields that are no longer recognizable overgrown, no facilities, etc.

Note that not all airports have accommodations for refueling, maintenance, or air traffic control. Airports - with paved runways This entry gives the total number of airports with paved runways concrete or asphalt surfaces by length.

For airports with more than one runway, only the longest runway is included according to the following five groups - 1 over 3, m over 10, ft2 2, to 3, m 8, to 10, ft3 1, to 2, m 5, to 8, ft4 to 1, m 3, to 5, ftand 5 under m under 3, ft.

Only airports with usable runways are included in this listing. Not all airports have facilities for refueling, maintenance, or air traffic control.

The type aircraft capable of operating from a runway of a given length is dependent upon a number of factors including elevation of the runway, runway gradient, average maximum daily temperature at the airport, engine types, flap settings, and take-off weight of the aircraft.

Airports - with unpaved runways This entry gives the total number of airports with unpaved runways grass, dirt, sand, or gravel surfaces by length. Appendixes This section includes Factbook-related material by topic. Area This entry includes three subfields.

Area - comparative This entry provides an area comparison based on total area equivalents.Home» Social, Social Issues» Scope of Demography or Scope of Population Studies The above discussion the nature and scope of demography include only the major and established area. The scope of demography has been constantly increasing.

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Nov 05,  · This definition of demography is not sufficiently wide. In fact the field of demography changes according to time, place circumstances. Author description goes here. Population Studies and its Importance; Nature and Scope of Demography Nov 02 (1) October (43) Oct 29 (3) Oct 27 (2) Oct 24 (3).

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Demography: Meaning, Scope and Importance | Sociology