The number of a people in an area exceeds the capacity of the environment to support life at a decent standard of living.
The ratio of the number of farmers to the total amount of land suitable for agriculture.
Total Fertility Rate
The number of children born to an average woman in a population during her entire reproductive life
Infant Mortality Rate
A figure that describes the number of babies that die within the first year of their lives in a given population.
Multistage model, based on Western's Europe's experince, of changes in population groth exhibited by countries undergoing industrialization. High birth rates and death rates followed by plunging death rates, producing a huge net population gain; this is followed by the convergence of birth rates at a low overall level.
The term applied to the social and economic changes in agriculture, commerce and manufacturing that resulted from technological innovations and specialized i late 18th century Europe.
A huge, Medical technology invented in Europe and North America that is diffused to the poorer countries of Latin America, Asia, and Africa. Improved medical practices have eliminated many of the traditional causes of death in poorer countries and enabled more people to live longer and healthier lives.
Zero Population Growth
A condition of demographic balance where the number of people in a specified population neither grows nor declines.
Visual representations of the age and sex composition of a population whereby the percentage of each group (generally five year increments) is represented by a horizontal bar the length of which represents its relationship to the total population.
The number of people under the age of 15 and over age 64, compares to the number of people active in the labor force.
an English economist who argued that increases in population would outgrow increases in the means of subsistence (1766-1834)
A , migration from a place (especially migration from your native country in order to settle in another)
migration into a place (especially migration to a country of which you are not a native in order to settle there)
the difference of immigrants and emigrants of an area in a period of time, divided (usually) per 1,000 inhabitants
Movement in which people relocate in response to perceived oppurtunity, not becaused they are forced to move
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.
1986 Immigration and Control Act
required employers to attest to their employees' immigration status, and granted amnesty to certain illegal immigrants who entered the United States before January 1, 1982 and had resided there continuously
made it illegal to knowingly hire or recruit illegal immigrants (immigrants who do not possess lawful work authorization)
granted a path towards legalization to certain agricultural seasonal workers and immigrants who had been continuously and illegally present in the United States since January 1, 1982
Pattern of migration that develops when migrants move along and through kinship lengths
A mathematical prediction of the interaction of places, the interaction being a function of population per unit area and a dramtic narrowing of the gap between population growth and food needs.
U.S Border Control
The United States Border Patrol is a federal law enforcement agency. Their duty is to prevent terrorists and terrorist weapons from entering the United States and to deter, detect, and apprehend illegal aliens and individuals involved in the illegal drug trade who enter the United States other than through designated ports of entry.
Established limits by governments on the number of immigrants who can enter a country each year