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POPULATION PYRAMIDS

population bar graphs
by

CRISTINA SEVILLA ZAMORA

on 4 November 2012

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Transcript of POPULATION PYRAMIDS

Young population Mature population This is a typical pattern for developing countries Aged pyramid This is the typical pattern for developed countries. Population pyramids A population pyramid is a graphical illustration that shows the distribution of various age groups in a population age Male Female Population structure is usually shown using a population pyramid. A population pyramid can be drawn up for any area, from a whole continent or country to an individual town, city or village. This is the typical pattern for underdeveloped countries. High birth rate and fertility rate
Rapid population growth (with high proportion of young to old)
On the top we have a low proportion of older people
High mortality rate and a short life expectancy
Poor medical facilities. More than 60% of inhabitants are between 15 and 65 years old.
Medium birth rates
Low mortality rates
These countries are improving their health and social conditions.
Their life expectancy is getting better Low birth rate
Low mortality rate
Slow population growth, even negative
Good medical facilities
Rich countries
More than 50% of inhabitants are older than 55 years old
Full transcript