Unit 2: Population and Migration Flashcards
Arithmetic Density
Number of People/Amount of Land
Physiological Density
Population/Arable Land
Agricultural Density
Farmers/Arable Land
Population Density
How many people live in a certain place?
Population Distribution
Where are people living?
Carrying Capacity
The amount of people that can be supported without damaging the environment.
Population Pyramids
Pyramids that shows the distribution of different age ranges in a population.
Crude Birth Rate (CBR)
The total number of live births per 1000 people in a population.
Crude Death Rate (CDR)
The total number of deaths per 1000 people living in a population.
Natural Increase Rate (NIR)
The percentage in which a population grows each year.
Total Fertility Rate (TFR)
The average number of children a woman will have.
Zero Population Growth (ZPG)
When a population’ growth isn’t increasing.
Infant Mortality Rate (IMR)
Total number of deaths for infants under 1 year of age for every 1000 live births.
Doubling Time
The amount of time it takes for a population to double.
Demographic Transition Model (DTM)
A model that suggests population growth and decline are based on the development of a society.
Interregional Migration
Movement from one region of a state to another region.