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The Geography of population. Geographers use the term population to mean the total number of people who live in a specific area. By late 2011 there will be 7 billion people living in the world. The Geography of population. Over the last 200 years the number has jumped by 5 billion.

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The Geography of population

Geographers use the term population to mean the total number of people who live in a specific area.

By late 2011 there will be 7 billion people living in the world.


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The Geography of population

  • Over the last 200 years the number has jumped by 5 billion.

  • What has led to such a rapid population growth?


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The Geography of population

  • The most important factors are increase in food production, technology in medicine, and improvement in sanitation.

  • Geographers measure population by how many people have been born and how many people have died.


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The Geography of population

  • To figure out statistics such as the rate of natural increase you must subtract the death rate from the birth rate.

  • In countries such as Africa, Asia, and South America the rate of natural increase is very high. Why? Remember farming is a major part of life in these continents.


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The Geography of population

  • The expanding population creates serious challenges such as basic needs being fulfilled such as clean water, food, and housing.

  • The increased population is putting pressure on the limited amount of resources.

  • What resources does this put pressure on?


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The Geography of population

  • People are not equally distributed through the world, people chose to live in a place by climate, elevation, and resources.

  • 70% of the earth surface is water and 35-40% of land in the world is either too hot

  • or too cold.


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The Geography of population

  • Today, about half the population in the world lives in urban areas, this was caused by the Industrial Revolution and jobs in the cities.

  • This has changed because 200 years ago most people farmed for a living and lived in rural areas such as farmland or towns.


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The Geography of population

  • Demographers study population trends and the characteristics of human population.

  • They use population

    density to figure out how heavily populated an area is, this is figuring out population density.


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