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4.2 Factors Affecting Population Growth (Mortality (mortality has…
4.2 Factors Affecting Population Growth
migration
usually from rural to urban or undeveloped to developed countries
environmental reasons
freedom from opression
jobs and economic reasons
Fertility
total fertility rates: average number of children born to women or childbearing age in population
Fertility rates higher in less developed areas
women have less economic opportunities in under developed nations
settle down and start a family at an early age
lower cost of education
no pensions (people have children so their children can later care for them
higher infant mortality rates
Mortality
mortality has decreased overall
medicine
vaccines
better hygiene
women have higher life expectancy
gangs, drugs, war
less stress
formulas for change
use crude rates (deaths/births per 1000 people)
(births+immigration)- (death+emigration)
emigration vrs immigration
emigration leave a country
immigration entering a country