Population Pyramids - Global Studies
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Population Pyramids Demographers use population pyramids to study population composition or structure.
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Transcript of Population Pyramids - Global Studies
Population Pyramids
Demographers use population pyramids to study population composition or structure.
Not Only Do The Overall Populations Of These 3 Countries Differ …
Their compositions or structures differ too
Age-gender groups are
called cohorts.
Your cohort
Baby Boom 1946-1964
Baby Boomlet 1982-1995
http://www.washingtontimes.com/news/2014/may/28/us-birthrate-plummets-to-record-low/?page=all
Developing Countries Developed Countries
1. Add Both sexes combined column to get TOTAL POPULATION2. Divide # of 0-4 Males by Total Population to get %, graph percent on pyramid3. Divide # of 0-4 Females by Total Population to get %, graph percent on pyramid4. Rounding is fine5. Repeat for each age cohort (5-9, 10-14, etc.)
TOTAL POP
Country A 2015
United NationsFast, Slow, Stable or Negative Growth Country?
Animated Population Pyramid 1950 to 2050 - China
When Did the One-Child Policy Go Into Effect?
