Unit 2 Flashcards
Euceme
The habitable areas of the world
Factors that influence population distribution
Natural, economic, social, political
Arithmetic population density
Doesn’t account for uneven distribution
Physiological population distribution
Displays carrying capacity
Agricultural population density
Shows level of country’s economic development
Population structure
The percentage of different ages and genders that compose population
Population pyramid
Shows the population structure of location; used to asses population growth/decline to predict future need for goods/services
Dependency ratio
Number of people in a dependent age group divided by the number of people in working age group multiplied by 100
Sex ratio
Proportion of males to females in population
Crude birth rate
Number of births per year multiplied by 100
Total fertility rate
Average number of children who would be born per woman in childbearing years
Life expectancy
Number of years average person will live
Crude death rate
Number of deaths per year per 1000 people
Infant mortality rate
Number of children who die before one year of age
Natural increase rate
CBR-CDR/10; doesn’t account for migration
Population growth rate
Accounts for migration
Doubling time
Number of years it will take for population to double
Demography
Study of population statistics
DTM
Used by geographers to predict trends in population growth/decline, such as birth, death, and natural increase rates