Studied by 1 person
Carrying Capacity
The number of people an area can support on a sustained basis
Medical Revolution
Improved medical practices that has eliminated many of the traditional causes of death in poorer countries and enabled more people to live longer and healthier lives.
Transition Model
A focus on each distinctive health threat in each stage of the demographic transition
Demographic Museum
Despite a falling fertility rate, a country with a large percentage of young people will usually experience continued population growth
Demographic Transition Model
A tool demographers use to categorize countries population growth rates and economic structures
Industrial Revolution
A series of improvement in industrial technology that transformed the process of manufacturing goods
Zero population growth
The goal of leveling off the worlds population in order to insure that the earth would be able to sustain it’s inhabitants.
Population explosion
the trend toward rapid population increase
doubling time
the number of years needed to double a population, assuming a constant rate of increase
natural increase rate
the percentage growth of a population in a year, computed as the crude birth rate minus the crude death rate
literacy rate
the percentage of a countrys people who can read and write
sex ratio
the number of males per 100 females in the population
crude death rate
the total number of deaths in a year for every 1000 people alive in the society
population pyramid
a bar graph that represents the distribution of population by age and sex
life expectancy
the average number of years an individual can be expected to live, given current social, economic, and medical conditions
dependency rate
the number of people under age 15 and over age 64 compared to the number of people active in the work force
infant mortality rate
the total number of deaths in a year among infants under one year of age for every 1000 live births in a society
total fertility rate
the average number of children a child will have throughout her childbearing years
crude birth rate
the total number of live births in a year for every 1000 people alive in the society
overpopulation
a situation in which 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 per unit of area of arable land
ecumene
the population of earths surface occupied by a permanent human settlement
arable land
land suitable for agriculture
arithmetic density
the total number of people divided by the total land area
agricultural density
the ratio of number of farmers to the total amount of land suitable for agriculture
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