In AP Human Geography, 'skyscraper shape' typically refers to population pyramids that have a tall and narrow shape, indicating low birth and death rates and longer life expectancy - common in developed countries.
Imagine a skyscraper. It's tall and slim just like some populations! These populations have fewer young people (the base) and more middle-aged and elderly people (the upper floors), much like how skyscrapers have fewer floors at the base but many more as you go up.
Demographic Transition Model: A model that explains population growth over time through stages based on birth rate, death rate, and total population size.
Population Pyramid: A graphical representation showing the distribution of various age groups in a population.
Life Expectancy: The average period that a person may expect to live, often used as an indicator of societal development.
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