Understanding how population growth, aging, migration, and urbanization shape societies and economies.
This deck is for anyone working on key facts related to Science, from beginner to intermediate.
You will work on points such as: Why can a population keep growing for decades after fertility falls t… · What does a positive population growth rate indicate about a country’… · What happens to population size when fertility stays below replacemen….
1Why can a population keep growing for decades after fertility falls to replacement level?
Answer: A large young cohort creates population momentum.
2What does a positive population growth rate indicate about a country’s population size?
Answer: The population is increasing over time.
3What happens to population size when fertility stays below replacement level for many decades?
Answer: Total population eventually declines.
4What does a very wide base in a population pyramid reveal about a country’s age structure?
Answer: The country has a large share of children.
5If a country’s crude birth rate equals its crude death rate, what is its natural increase?
Answer: Natural increase is zero.
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