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UNIT 2 REVIEW. POPULATION. POPULATION DISTRIBUTION AND DENSITY. DISTRIBUTION. Portion of the earth’s surface that is habitable for humans. ECUMENE. DENSITY. FOUR MAJOR POPULATION CLUSTERS. East Asia South Asia Europe Southeast Asia. KEY TERMS. TOTAL FERTILITY RATE (TFR).
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UNIT 2 REVIEW POPULATION
Portion of the earth’s surface that is habitable for humans. ECUMENE
FOUR MAJOR POPULATION CLUSTERS • East Asia • South Asia • Europe • Southeast Asia
TOTAL FERTILITY RATE (TFR) • Number of children predicted to be born to a woman as she passes through fertile years
Infant Mortality Rate (IMR) • Number of deaths of children under 1 year of age per 1,000 births over a year.
Natural growth rate of a population, which is CBR minus CDR expressed as a percentage. A positive RNI indicates a growing population, whereas a negative RNI indicates a population reducing in size. An RNI equal to zero indicates a stabilizing population. Rate of Natural Increase (RNI)
LIFE EXPECTANCY • Average number of years a person is expected to live.
MIGRATION • A permanent move to a new location.
Pull Factor • Factor that attracts a migrant to a region, such as good schools or nice weather.
Push Factor • Factor that causes a migrant to move out of a region, such as high taxes or poor schools.