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agricultural density the ration of the number of farmers to the total amount of land suitable for agriculture
agricultural revolution time when human beings frist domesicated plants and animals and no longer relied on hunting and gathering
arithmetic density the total number of people divided by the total land area
census a complete enumeration of a population
crude birth rate the total number of live births in a year for every 1000 people alive in the society
crude death rate the total number of deaths in a year for every 1000 people alive in the society
demographic transition a process of change in a society's population
demography the scientific study of population characteristics
dependancy ratio the number of people under the age of 15 and over age 64, compared to the number of people active in the labor force
doubling time the number of years needed to double a population, assuming a constant rate of natural increase
ecumene the portion of earth's surface occupied by permenant human settlement
industrial revolution a series of improvements in industrial technology that transformed the process of manufacturing goods
infant moratility rate the total number of deaths in a year among infants under one year old for every 1000 live births in a society
life expectancy the average number of years a newborn infant can expect to live at current mortality levels
medical revolution medical technology invented in Europe and North America difused to the less developed countries of Africa, Asia, and Latin America
natural increase rate the percentage by which a population grows in a year
overpopulation the number of people in an area exceeds the capacity of the environment to support life at a decent standard of living
physiological density the number of people supported by a unit area of arable land
population pyramid a country's population displayed by age and gender groups on a bar graph
sex ratio the number of males per 100 females in the population
total fertility rate the average number of children a woman will have throughout her child bearing years
zero population growth when a country's crude birth rate declines until it equals the crude death rate and the natural increase rate approches 0
Created by: 017210