World Population Growth

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Presentation transcript:

World Population Growth http://www.flickr.com/photos/gadgetgirl70/201696636 /

The number of people living in an area. Population The number of people living in an area.

Population Change Birth Rate- number of births per 1000 of the population. Immigration- number of people entering the country. Death Rate- number of deaths per 1000 of the population. Emigration- number of people leaving the country.

Birth rate- death rate = natural increase.

World Population http://en.wikipedia.org/wiki/File:Population_curve.svg

World Population http://biol1114.okstate.edu/study_guides/scenarios/7-diseases/diseases.html

Higher the number of children per family. World Population 7-8 children per family. Higher the number of children per family. http://en.wikipedia.org/wiki/File:Countriesbyfertilityrate.svg

World Population Growth Graph