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THE WORLD POPULATION Important definitions. Class 12 Notes | EduRev

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WHAT DO YOU MEAN BY HUMAN POPULATION ?

THE WORD POPULATION DENOTES ABOUT NUMBER OF ANY LIVING BEINGS

ON EARTH. THE HUMAN POPULATION HENCE, NO. OF PEOPLE RECIDING

IN AN AREA . THIS SYUDY IS ALSO BELONGS TO DEMOGRAPHY IN GENERAL

BUT IN GEOGRAPHY WE STUDY NATURAL PERSPECTIVE.

BIRTH RATE- It is the total number of lives births in an area per thousands of

population per year and it is calculated in the middle of the year.

DEATH RATE- It is the total number of deaths in an area per thousands of

population per year calculated in the middle of the year.

THE BIRTH RATE IS CALCULATED AS ... CBR= B_I/P× 1000.

CBR= CRUDE BIRTH RATE

MIGRATION- The movement of people accross.

IMIGRATION- The movement of people towards a new area for different

reasons during an year.

EMIGRATION- The outward movement of people from an area due to

any reason during an year.

GROWTH RATE- It is the total increase or decrease i.e change of population

of an area b/w 2 points of time. it depends upon the difference b/w Birth rate and

Death rate and of imigration and emigration. the growth rate may be positive

or negative.

PLACE OF ORIGN IS THAT AREA FROM WHERE A PERSON STARTS

MOVING.

PLACE OF DESTINATION IS THAT WHERE THE PERSON MOVE TO.

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Apr 27, 2019
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