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Demography
 

Demography

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    Demography Demography Presentation Transcript

    • DEMOGRAPHY
    • Demography is the statistical study of human population. It encompasses the study of the size, structure and distribution of thesepopulations, and spatial and/or temporal changes in them in response to birth, migration, aging and death.
    • Collection of demographic data can be broadly categorized into two methods:DIRECT AND INDIRECT: Direct demographic data collection is the process of collecting data straight from statistics registries which are responsible for tracking all birth and death records and also records pertaining to marital status and migration. Perhaps the most common and popular methods of direct collection of demographic data is the census.
    • The indirect method of demographic datacollection may involve only certain people orinformants in trying to get data for the entirepopulation. For instance, one of the indirectdemographic data methods is the sister method. Inthis method, a researchers only asks all the womenon the number of their sisters who have died orhave had children who have died at what age theydied. From the collected data, the researchers willdraw their analysis and conclusions based onindirect estimates on birth and death rates andthen apply some mathematical formula.
    • SCOPE Those who want to enlarge the scopecan be called the Macro demographicgroup and those who maintain narrowview can be put in the microdemography group.
    • Macro Demography Under macro demography the writershave studied the causes of slow or rapid grow ofbirth rate, death rate, population growth, sex ratioand health conditions, etc. Many economic issues likeunemployment, income condition of the masses,standard of living, labor conditions and livingstandard, production, consumption, saving-habits,correlation between population and economicdevelopment are all part of Macro DemographyStudy
    • According to the narrow view we studydemography as small units like individual,family, group etc In fact these unitsconstitute the primary elements of macroanalysis. For instance if we study the fertilityrate of women BALANCED VIEW OF DEMOGRAPHY These schools of thought have presented a balanced view of the nature and scope of demography.
    • According to Whipple the subject matter of demography comprises of: (I) Geneology, Ancestory and their records (2) Human Eugenics. (3) Registration of vital events (4) Census of Population (5) Biometrics dealing with the study of structure, growth and strength of human body (6) Path metrics dealing with the knowledge. of disease and anatomy
    • In short, in the subject matter of Demography we study the following:Size: The number of people living in a given place at a given time, its comparison with previous period and the future projection are important elements of size of population.Composition of Population: Composition of population covers alt the measurable characteristics of the people who form a given population. The most widely used characteristics are age and sex.
    •  Distribution of Population: Under it we study how are people distributed in the world in the categories labeled advanced urban industrial regions. The changes taking place in the numbers and proportions in different categories and their -causes are also important. Labor Force: Labor force constitutes an important field of economic study. Labor force falls into two classes, viz., economically active labor force and economically dependent or inactive labor force.
    •  Population Policy: The need of proper population policy has come to occupy an indispensable adjunct of population of planning. Population policy study embrace, Items like the philosophy and guiding principles of population policy, the magnitudes of the prob1em, organizational structure of policy frame, services and supplies, education and motivation family planning targets, family planning progress and achievement family planning expenditure, births averted and effect on birth rate, etc