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Ch. 15 Population, Urbanization, and Environment by Mind Map: Ch. 15 Population,
Urbanization, and Environment
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Ch. 15 Population, Urbanization, and Environment

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Fertility

incidence of childbearing in a country's population

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Demographers sescribe fertility using the crude birth rate

Mortality

incidence of death in a country's population

demographers measure mortality using both the crude death rate and the infant mortality rate

Migration

The net migration rate is the difference between the inmigration rate and the outmigration rate.

Population growth

In general, rich nations grow as much from immigration as from natural increase; poorer nations grow almost entirely from natural increase

Population Growth

In General, rich nations grow as much from immigration as from natural increqase; poorer nations grow almost entirely from natural increase

Population Compostion

Demographers use age-sex pyramids to show graphically the composition of a population and to project population trends

Important Terms

demography - the stusy of human population

fertility - the incidence of childbearing in a country's population

crude birth rate - the number of live births in a given year for every thousand people in a population