Population Theories
This theorist argued that population grows geometrically while food supply grows arithmetically.
Who is Thomas Malthus?
Moving because of personal choice, like a better job.
What is voluntary migration?
War, famine, and natural disasters are examples of these.
What are push factors?
The number of people per unit of land.
What is population density?
This type of migration occurs when people move from rural areas to cities in search of economic opportunities.
What is rural-to-urban migration?
This theory suggests that population growth will slow as countries industrialize.
What is the Demographic Transition Model?
Migration where people are forced to move, such as slavery.
What is forced migration?
Better jobs and education opportunities are examples of these.
What are pull factors?
The number of people per unit of arable land.
What is physiological density?
This concept explains how the likelihood of migration decreases as distance increases.
What is distance decay?
This stage of the DTM has high birth rates and high death rates with little population growth.
What is Stage 1?
Moving within the same country.
What is internal migration?
Laws that limit immigration act as this type of factor.
What are intervening obstacles?
The number of farmers per unit of arable land.
What is agricultural density?
Large-scale movement of people to cities.
What is urbanization?
This stage is characterized by rapid population growth due to declining death rates.
What is Stage 2?
Moving from one country to another.
What is international migration?
A positive feature that attracts people to a place.
What is a pull factor?
This region has the highest population concentration in the world.
What is East Asia?
This type of migration involves seasonal movement, like farm workers.
What is circular migration?
This modern theory builds on Malthusian ideas by warning that population growth may outpace resources due to environmental limits like climate change and soil depletion.
What is Neo-Malthusian Theory?
A pattern of movement where migrants move step-by-step to their final destination.
What is step migration?
The difference in economic conditions that motivates migration.
What is economic push/pull factors?
People tend to live in this type of climate—not too hot, not too cold.
What is temperate climate?
Migrants who maintain strong ties to their home country while living abroad.
What is transnational migration?