Ch. 9 Key Terms Flashcards
Demography
The study of populations
Age Structure
The distribution of ages in a specific population at a certain time
Survivorship
The percentage of members of a group that are likely to survive to any given age
Fertility rate
The average number of children a women gives birth to in her lifetime
Migration
The movement of individuals from one place to another
Life Expectancy
The average number of years members of a population are likely to live
Demographic Transition
A model that describes how economic and social changes affect population growth rates
Infrasturcture
The basic facilities and services that support a community
Arable Land
Growing populations may have a shortage
Urbanization
The movement of people from rural areas to cities
Least Developed Countries
Countries show few signs of development and in some cases have increasing death rates while birth rates remain high
