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Population Projections (Future issues/things to consider (Culture of a…
Fertility
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Difficult to predict
Multiple projections created; high, medium, and low
Cannot accurately factor in other variables like baby booms, governmental policies, and the culture of the country
Mortality
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Over time, things change and what we forecast is not set in stone; what we predict can change over time.
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Population Projection
If the world population reaches 16 billion by 2100, there will be a lack of the world's food and water resources and the loss of wild lands and biodiversity
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Migration
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UNDP estimates the net flow of immigrants from developed to developing nations will decline from 2.6 in 2010 to 2.1 in 2050
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since it is very difficult to project, it is assumed it will decline to 0