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Why is studying population growth important?

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Why is studying population growth important?

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The Model that ties the population with economic development.
JOHN GRAUNT  Father of Demoraphy.

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This situation accurs when births equal deaths or deaths equal births.

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Number of years it take the population to double in size.
69/NIR %=Doubling time.

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Measres the growth of a population in a given year.
CBR - CDR = NIR.

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Average number of years a person will live, given the current conditions of a country.

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Defined as total number of deaths of infants before their first birthday for every 1000 births in a country.

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The number of death in a year for every 1000 people in a year.

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The average number of children a woman will have during his childbearing years.
The larger TFR The larger CBR.

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Use to measure the population growth.
It is the number of births in a year for every 1000 people in a country.

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The Changing in size of population in a particular place or the entire earth.
Mortality and Fertility are the main forces that causes the synamics excluding Migration.
Population growth or decline through births and death.

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Earth's population is not randomly disperse across lands.there are many logical reasons why population clusters exist in areas called the ECUMENE.
Some physical environment such as dry lands, wet lands, cold lands and high lands are not conducive to supporting large settlements.
These places are either inaccessible or they lack climate and soil that are suitable for growing a sufficient base of agriculture product.

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Population Geography: The Measurement and Implications of Growth

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Population Geography: The Measurement and Implications of Growth

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The Goal of this Lesson is to intruduce you to the distribution of people around the world and the dynamics if population growth.