UNIT 2 REVIEW POPULATION
POPULATION DISTRIBUTION AND DENSITY
DISTRIBUTION
ECUMENE Portion of the earth’s surface that is habitable for humans.
DENSITY
FOUR MAJOR POPULATION CLUSTERS 1.East Asia 2.South Asia 3.Europe 4.Southeast Asia
KEY TERMS
TOTAL FERTILITY RATE (TFR) Number of children predicted to be born to a woman as she passes through fertile yearsNumber 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.Number of deaths of children under 1 year of age per 1,000 births over a year.
Rate of Natural Increase (RNI) 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.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.
LIFE EXPECTANCY Average number of years a person is expected to live.Average number of years a person is expected to live.
DEMOGRAPHIC TRANSITION
FOOD PRODUCTION
POPULATION PYRAMIDS
MIGRATION
MIGRATION A permanent move to a new location.A permanent move to a new location.
Pull Factor Factor that attracts a migrant to a region, such as good schools or nice weather.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.Factor that causes a migrant to move out of a region, such as high taxes or poor schools.
IMMIGRATION BY COUNTRY
MAJOR MIGRATION STREAMS
MIGRATION STREAMS TO THE U.S.
U.S. INTERREGIONAL MIGRATION
U.S. INTRAREGIONAL MIGRATION