Sustaining human societies - What factors influence the size of the human population?
3 important questions on Sustaining human societies - What factors influence the size of the human population?
How do we measure population growth?
text-decorationPopulation change= (births+immigration)- (deaths+emigration)
(per 1000 people in a population in a given year)
What are the factors that affect birth rates and fertility rates?
- importance of children as part of the labor force (africa i.e. more)
- costs of raising and educating children (Europe i.e. more)
- availability of, or lack of, private and public pension systems
- infant deaths (Africa i.e. more)
- urbanization (Europe i.e. less)
- educational and employment opportunities available for women (Europe i.e. less)
- average age at marriage (25 or older i.e. less)
- availability of legal abortions
- availability of reliable birth control methods
- religious beliefs, traditions and cultural norms
What are the factors that affect death rates?
The life expectancy rise and the decrease of infant mortality rate.
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