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• big steps/bulges? - baby boom ( may cause another) • triangular shape? - poor/periphery country - rapid population growth - upside down = low population growth & high dependency ratio rectangular shape? - wealthy/core country - stable population growth
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• big steps/bulges? - baby boom (may cause another) •triangular shape? - poor/periphery country - rapid population growth - upside down = low population growth & high dependency ratio • rectangular shape? - wealthy/core country - stable population growth • indentations/ asymmetrical shape? - war = less males (or less everyone) - transient population (workers) = more males - military base = more young males - female infanticide = less female babies - epidemic, etc. = less everyone • more old females? -wealthy/ core country • young v. old? - college town v. retirement community cohort Remember: ________________________