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SS- 11A Ch.11

Population Trends and Issues

Demography The statistical study of the characteristics, trends, and issues of human populations.
Developed Country A country with highly developed economy and infrastructure and high living standard.
Developing Country A country with a less sophisticated economy and lower standard of living than developed countries; many have extensive poverty.
Birth Rate The number of births per 1000 people in a country in a given year.
Death Rate The number of deaths per 1000 people in a country in a given year.
Immigration Rate The number of new arrivals in a country in a given year per 1000 people.
Emigration Rate The number of people leaving a country in a given year per 1000 people.
Natural Increase (NI) The rate at which a population increase (or decreases) in a year expressed as a percentage of the total population. Death - Birth = Natural
Exponential Rate A rapid rate of population growth as each generation doubles in size.
Rule of 70 The time it takes a country to double its population. 70/Growth = Time for 2(population)
Doubling Time The number of years it takes a country to double its population at its current growth rate.
Net migration The difference between the number of people immigrating to a country and the number of people emigrating.
Population Growth Rate The rate at which a country's population increases or decreases; calculated by adding natural increase and net migration.
Life Expectancy The average number of years an individual is expected to live.
Demography Transition Model Show changes in a population's birth and death rates and growth based on technology development.
Mortality Deaths in a population.
Family Planning The concept of limiting the size of families.
Total Fertility Rate The average number of children born over the lifetime of a typical woman in a particular country.
One-child Policy A policy adopted by China to control population growth.
Population Pyramid A bar graph that shows male and female populations back to back at age intervals of five years.
Age Cohort An age group in a population. Ex. The number of people between the ages of 10 and 14.
Dependency Ration The proportion of the population (children and those over 65 years of age) that is being supported by the working age group.
Carrying Capacity The maximum number of people that can be sustained by an environment.
Population Distribution The pattern of where people live in an area.
Population Density The number of people living in a giving area; calculated by dividing the population by its area.
Nutritional Density A measure of how much nutrition in calories can be produced from a certain area. Ex. Fertile soil : Canada's North
Census The process of collecting, compiling and publishing demographic, economic and social data about all people living in a particular area
Migrant A person who moves from one region to another.
Created by: JustinSze