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Published byRosa Manning Modified over 9 years ago
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INTERPRETING POPULATION PYRAMIDS You need to know: the characteristics of the 4 types of population pyramids
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Population pyramids show the age/sex structure of a country Tells you what % of the population is a certain age and gender Groups put into 5 year categories (cohort) Grade 9 Geography Review
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RAPIDLY EXPANDING Very high birth rate Population growing very fast (3-4% per year) Low income countries
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EXPANDING High birth rate Population growing (1-2% per year) Middle to low income countries
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STATIONARY Births replace deaths Population not changing much at all High income countries
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DECLINING More deaths than births Population shrinking Potential social problems
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