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Unit Two Population

Vocabulary -Population

The ratio of the number of farmers to the total amount of land suitable for agriculture Agricultural Density
The time when human beings first domesticated plants and animals and no longer relied entirely on hunting and gathering Agricultural Revolution
The total number of people divided by the total land area Arithmetic Density
A complete enumeration of a population Census
The total number of live births for every 1ooo people alive in the society Crude Birth rate (CBR)
The total number of deaths in a year for every 1000 persons in the society Crude Death Rate (CDR)
The process of change in a society’s population from a condition of high crude birth and death rates and a low rate of natural increase to a condition of a low crude birth rate and death rates low rate of natural increase and a higher total population Demographic Transition
The scientific study of population characteristics Demography
The number of people under the age of 15 and over the age of 64, compared to the number of people active in the labor force Dependency Ratio
The number of years needed to double a population assuming a constant rate of natural increase Doubling Time
The portion of the earth occupied by permanent human settlement Ecumene
The frequency with which something exists within a given unit of area Density
The arrangement of something across Earth's surface. Distribution
A series of improvements in industrial technology that transformed the process of manufacturing goods Industrial Revolution
The total number of deaths in a year among infants under one year old per 1000 live births in a society. Infant Mortality Rate (IMR)
The average number of years an individual can be expected to live, given current social, economic, and medical conditions. Life expectancy at birth is the average number of year a newborn infant can expect to live. Life Expectancy
Medical technology invented in Europe and North America that is diffused to the poorer countries of Latin America, Africa, and Asia. Improved medical practices have eliminated many of the traditional causes of death in poorer countries Medical Revolution
The percentage of a population in a year, computed as crude birth rate minus the crude death rate. Natural Increase Rate (NIR)
The number of people in an area exceeds the capacity of the environment to support life at a decent standard of living. Overpopulation
The number of people per unit of land suitable for agriculture. (arable land) Physiological Density
A bar graph representing the distribution of population by age and sex Population Pyramid
Individual age groups within a population pyramid Population Cohort
Number of males per 100 females in a population Sex ratio
The average number of children a woman will have throughout her childbearing years Total Fertility Rate (TFR)
A decline in the Total Fertility Rate to the point where the Natural Increase Rate equals Zero Zero Population Growth
Cumulative (compound) growth of a population over a given period of time Exponential Growth
TP = OP + B -- D + I – E Demographic Change Formula
Created by: jmmassa