demographic trend that occurs as the average age of a population rises
pronatalism
programs designed to increase the fertility rate; policies that provide incentives for women to have children, typically in countries where population is declining
Agricultural Density
ratio of the number of farmers to the amount of arable land
arithmetic density (crude density)
total number of people divided by the total land area
antinatalism
policy to discourage people from having children and to reduce the fertility rate of a population
Boserup Theory
argues that population growth is independent of food supply and that population increase is a cause of changes in agriculture
asylum seekers
people who seek refugee status in another country
transnational migration
a process of movement and settlement across international borders in which individuals maintain or build multiple networks of connection to their country of origin while at the same time settling in a new country
chain migration
migration in which individuals follow the migratory path of preceding friends or family members to an existing community; when migrants move to communities where relatives or friends migrated previously
physiological density
calculated by dividing population by the amount of arable land (land suitable for growing crops)
carrying capacity
largest population that an environment can support at any given time; the population a region can support without significant environmental deterioration
push factors
negative circumstances, events, or conditions that stimulate people to move
Crude Birth Rate (CBR)/ Natality
total number of live births in a year for every 1,000 people alive in the society
Crude Death Rate (CDR)/ Mortality
total number of deaths in a year for every 1,000 people alive in the society
internally displaced people
a person who flees a situation due to danger that moves to another part of the same country
step migration
a process by which migrants reach their eventual destination through a series of smaller moves
demographics
statistical data relating to the population and particular groups within it
Ehrlich Theory
theory that there will be a disaster for humanity due to over population
pull factors
people choose a destination based on its positive conditions and circumstances.
demographic transition model (DTM)
model of demographic change based on Europe's population in the eighteenth through twentieth centuries
asylum
an offer of protection from a government that protects migrants from danger in their home country
epidemiological transition model (ETM)
model highlighting the distinctive causes of death in each stage of the demographic transition
Infant Mortality Rate (IMR)
total number of deaths in a year among infants under 1 year old for every 1,000 live births in a society
internal migration
permanent movement within the same country
forced migration
human migration flows in which the movers have no choice but to relocate due to environmental, cultural, or political factors; a type of movement in which people do not choose to relocated, but do so under threat of violence
transhumance
The movements of livestock according to seasonal patterns, generally lowland areas in the winter, and highland areas in the summer.
INTERregionalmigration
permanent movement from one region of a country to another region
guest worker
foreign laborer living and working temporarily in another country; legal immigrant who has work visa, usually short term
Total Fertility Rate (TFR)
the average number of children a woman of childbearing years would have in her lifetime
migration
permanent movement to a new location.
Natural Increase Rate (NIR)
the difference between number of births and deaths
Malthusian Theory
argues that starvation is the inevitable result of population growth because the population increases at a geometric rate while food supply can only increase arithmetically
Doubling Time (rule of 70) equation
the time required for a population to double in size
Neo-Malthusians
people who believed in Malthusian Theory and in the idea that population was not only outstripping food but other resources
intervening obstacle
an environmental or cultural feature of the landscape that hinders migration.
Intraregional Migration
permanent movement within one region of a country
intervening opportunity
the presence of a nearer opportunity that greatly diminishes the attractiveness of sites farther away.
life expectancy
figure indicating how long, on average, a person may be expected to live
Ravenstein's laws of migration
list of 11 laws about why people migrate and the regularities observed