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Population Review & New (p. 322)

Population Review & New (p. 322). Today: Demographic Revolution Demographic Transition Model Age Structure. Review. What is Demography / Demographics? The study of human population “DEMO”  Demonstrate (show/act = humans are the only thing that DEMONSTRATES)

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Population Review & New (p. 322)

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  1. PopulationReview & New (p. 322) Today: Demographic Revolution Demographic Transition Model Age Structure

  2. Review • What is Demography / Demographics? • The study of human population • “DEMO”  Demonstrate (show/act = humans are the only thing that DEMONSTRATES) • “GRAPHY”  Geography / Biography – Study of… • What is “Life Expectancy”? • How long do humans expect to have life for… • How long are humans are living in a population group (area/type of people) • How has life expectancy changed since 1800 to 2012? • Longer life is the change (Developed world especially..live longer!!) • Medicines, technology/productivity, nutrition, safer environments

  3. Demographic Revolution (p 322) • Revolution: a big change, usually positive change) • The big Change in human population IS: We are now living longer! • Life expectancy increased! • BECAUSE: Medicines, technology, productivity, environment, etc.

  4. Demographic Transition Model(p. 324) • Demographic – Characteristics of human population • Transition – CHANGE (The process of change) • Model – Visual Data (Graph)

  5. Details of: Demographic Transition Model • Geographers use Models to: to let people understand a theory/reality. To show information • A Demographic Transition Model shows: Birth Rate/Death Rate & Overall Population Trends • Shows Trend as country evolves from Developing to Developed • The assumptions this model makes are: • Transition from Stage 1 - High Birth/Death rates will DECREASE • What affects Birth rate & Death Rate • Health Care/Economy/ INDUSTRIALIZATION of a Country (As it becomes modern)

  6. Stage 1 – What does it show us SURFACE MEANING • High Birth Rate & High Death Rate RESULT: Small population growth Deeper Meaning: Why is this happening here? - Disease, lack of medicine, low living standards WHERE is this happening? - Poor DEVELOPING Countries

  7. Stage 2 – Great Example of TRANSITION! Surface Meaning (What we see?) • Death rate DECREASES (change from stage 1) • Birth Rate Remains High, (did not change from stage 1) RESULT: Population Growth is…INCREASE! WHY is this happening?: - Decrease in death rate (end of war…development of: technology, medicine, living standards) Birth Rates – People still love….makin babies!

  8. Stage 3 • What do we see? Death Rate: Remains Same (Very low) Birth Rate: Decreases (higher than death rate) RESULT to Population Growth?: Population is increasing a little Why Birth Rate Decrease: - Don’t like making babies!! Industrialization, urbanization, improved standards -- More options to spend your money on stuff!

  9. Homework • P. 324 (Q # 2) • Read P. 325 – 328 • (P. 328) - Q# 1 ,2

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