Demographic Transition Explained? The World Population is What??? http://www.youtube.com/watch?v=VcSX4ytEfcE How do we explain how we got in this predicament? Let me explain ? ?The Demographic Transition Model? ? A series of stages that a country goes through when transitioning from non- industrial to industrial. ? Involves five stages that are based on changes in population size and social behaviors. ? CBR : High - Why? ? CDR: High - Why? ? Population: Stable ? Hunter-Gatherer Societies ? Economic Activity: Basic Primary (basic?) ? Examples ? No Countries? but small bans of indigenous people in isolated areas. Stage 1 ?Low Growth? Population Pyramid Shape ? CBR: High ? Why? ? CDR: Falls Rapidly ? Why? ? Population: Very rapid increase - Why?