Age structure pyramids only

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What is an age structure pyramid?

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An age structure pyramid is a graphical representation of the distribution of various age groups in a population, typically showing the number of males and females in each age group.

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What does a population pyramid for a developing country typically look like?

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A population pyramid for a developing country usually has a wide base, indicating high birth rates, and narrows towards the top, indicating lower life expectancy.

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What does a population pyramid for a developed country typically look like?

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A population pyramid for a developed country often has a more rectangular shape, indicating lower birth rates and a more even distribution of age groups.

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What is demographic transition?

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Demographic transition is the process of change in a society's population from high birth and death rates to low birth and death rates as it develops economically.

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What characterizes stage one of the Demographic Transition Model?

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Stage one is characterized by high birth rates and high death rates, leading to a stable population.

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What characterizes stage two of the Demographic Transition Model?

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Stage two is characterized by high birth rates and declining death rates, resulting in rapid population growth.

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What characterizes stage three of the Demographic Transition Model?

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Stage three is characterized by declining birth rates and low death rates, leading to a slowing population growth.

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What characterizes stage four of the Demographic Transition Model?

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Stage four is characterized by low birth rates and low death rates, resulting in a stable or slowly growing population.

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What is the significance of the dependency ratio in population studies?

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The dependency ratio measures the ratio of dependents (people younger than 15 or older than 64) to the working-age population (ages 15-64), indicating the economic burden on the productive population.

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How does an aging population affect a country's economy?

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An aging population can lead to increased healthcare costs, a shrinking workforce, and potential challenges in supporting pension systems.