Density
The spread of people across the Earth
population distribution
Triangle shape
periphery country, young population
IMF stands for
Infant Mortality Rate
How many stages are in the model?
5
Three examples of push factors
poverty, fear, disasters, unemployment
Calculated by dividing a region's population by total area
Arithmetic Density
Bishop hat shape
semi periphery country, slowing growth
Life Expectancy
the average period that a person may expect to live
No country is in that stage
Stage 1
Mention two examples of forced migration
refugees, asylum seekers, internal displaced persons
the population an area can support without significant environmental deterioration
Carrying Capacity
Rectangle shape
core countries, zero population growth
the average number number of babies a woman would have
What is Total Fertility Rate?
Population is balance with more aging, United States, China
Stage 4
A series of small moves
Step migration
Calculated by dividing population by the amount of arable land
Physiological Density
Inverted Triangle shape
negative growth, aging population, core countries
Natural Increase Rate (NIR)
CBR-CDR divided by 10
Receding Pandemic
sanitation, nutrition and medicine
Migrants who follow previous relatives
Chain migration
Compares the number of farmers to the area of arable land
Agricultural Density
Dependency ratio
comparing the working to the non working parts of the population
Replacement Rate
2.1
Degenerative and Human Created Diseases
Diseases associated with aging
Transhumance
seasonal migration of domesticated livestock