#2 Population, Migration and Health Flashcards
arithmetic density
The total population divided by the total land area
Physiologic Density
The total population divided by the total arable land
Agricultural Density
The number of farmers divided by the total arable land
Carrying Capacity
The total number of organisms that can be supported by an environment
Population Pyramid
A diagram that shows the age and sex characteristics of a population
Sex Ratio
The comparison of the number of males and females born in a society
Dependency Ratio
The number of 15 year olds or younger and people64 and older in a place as compared to the people aged 16-63.
Demographic Transition Model
Shows the population characteristics of a country over time and in relation to economic development
Epidemiological Transition Model
Shows what the main causes of death are in a place as related to economic development and population characteristics
Total Fertility Rate
The number of babies a woman in a place can expect to have in her childbearing years
Crude Birth Rate
Number of births per 1000 population
Crude Death Rate
Number of deaths per 1000 population
Natural Increase Rate
Births-deaths x100 shows rate at which a population is growing without migration
Malthusian Theory
Theory that population is outpacing food production and will lead to social collapse, famine, war etc.
Pronatalist policy
A governmental policy that encourages families to increase their number of children
Antinatalist policy
A governmental policy that discourages people from having children
Push factor
A social, political, environmental, or economic condition that leads someone to leave their home for another place
Pull Factor
A social, political, environmental, or economic reason people move to a particular place
Forced Migration
Migration where Social, political, economic, and environmental factors leave a person no choice but to migrate for their safety.
Voluntary Migration
Migration that is the choice of those migrating
Transhumance
The seasonal migration of herders from lower areas to highland areas and back again
Chain Migrathin
Migration that occurs when people from the same country, town or area join someone from the same place who has already migrated to a new place. Many times this is family or friends.
Rural to Urban Migration
When people move from the country to the city in search of better jobs/living conditions due to lack of jobs/opportunities
Guest worker program
When a country allows immigrants to enter the country legally with temporary status
Step migration
Most long distance migrants move from one place to another in a series of moves, not in one move
