The population of an area in too large numbers.
*When the resources and facilities of a country or region become scarce and are not enough to support a population.
The population of a country or region expressed as an average per unit area.
*Derived by dividing the population of the areal unit by the number of square kilometers/meters that make up the unit.
The number of people per unit area of arable land (agriculturally productive land)
Rate of Natural Increase
The percent growth of a population in a year.
* Computed as the crude birth rate minus the crude death rate.
Infant Mortality Rate
A figure that describes the number of babies that die within the first year of their lives in a given population.
A figure indicating how long, on average, a person may be expected to live.
*Normally expressed in the context of a particular state.
Age population ratios of those typically not in the labor force.
* Population Pyramids show dependency ratios of fewer than 15 and over 65.
1. Wrote "Principles of Population" and predicted that the population would outrun food supplies, leading to a decrease in food per person.
2. Assumed that populations grow exponentially, food supplies grow arithmetically, and food shortages along with chaos are inevitable.
Population Control Policies (PCP) - Expansive
Encourages large families and raises the rate of natural increase.
PCP - Restrictive
Seeks to reduce the rate of natural increase.
* Ranges from toleration of officially unapproved means of birth control to outright prohibition of large families.
When a migrant communicates to family and friends at home, encouraging further migration along the same path, along kinship links.
Movement within a single country's borders (implying a degree of permanence)
When a migrant follows a path of a series of stages or steps toward a final destination.
Migrants weigh the push and pull factors to decide...
1. to emmigrate from the home country
2. where to go
Net - Migration
The difference between the total number of arrivals and that of departures that occur in a country or region.
The ability to communicate.
*Your activity space.
- Ex : cell phones, laptops, iPods, internet
The circumstances that effectively attract the migrant to certain locales from other places
* The decision of where to go
People who flee across an international boundary because of a well-founded fear of being persecuted for reasons of race, religion, nationality, membership, of a particular social group, or political opinion.
Change in the migration pattern in a society that results from industrialization, population growth, and other social and economic changes that also produce the demographic transition.
Established limits by governments on the number of immigrants who can enter the country each year.
U.S. Border Control
The mobile law enforcement arm of the Immigration and Naturalization Service that detects and prevents illegal entry of aliens into the United States
When a country allows only those with a specific amount of intelligence or "smarts" to enter their country.