Grade 12 World Issues – Unit 2 – Demographics Demographic Definitions Population Pyramids More Demographics Theories Africa
The number of births in a country for every thousand people in the population.
What is Birth Rate?
Immigration Rate subtract Emigration Rate
What is Net Migration Rate?
The percentage of a country’s population who are under the age of 15 and over 65 that must be supported by the independent, working population.
What is Dependency Load?
2.1
What is the Replacement Rate that would produce a Natural Increase Rate of zero?
How long it takes a country’s population to double.
What is Rule of 70 or Doubling Time?
These are the two factors within a population that a Population Pyramid illustrates.
What are AGE and SEX DISTRIBUTION?
The type of population growth shown in a Population Pyramid with lots and lots of young people and few old people.
What is RAPID GROWTH or RAPID EXPANSION?
The term or name given to groups of ages such as 0-4, 5-9, 10-14, and so on…
What are AGE COHORTS?
The type of Population Pyramid that has a population that is shrinking due to a low birth rate and a stable death rate.
What is NEGATIVE or DECLINING GROWTH?
A reason other than declining births and high death why a Population Pyramid would show a Declining Population.
What is increased emigration?
This desert is 25% of Africa’s land mass
What is the Sahara Desert?
54
What is the NUMBER OF COUNTRIES in Africa?
3,000 people every day
What is the number of people dying of AIDS daily in Africa?
Between 1500 and 1800, an estimated 8-12 million Africans became this.
What is a SLAVE?
This historic settling of Africa established arbitrary borders between African tribes and societies.
What is EUROPEAN COLONIALISM?
In 2005 Canada, 7.3 people died per every 1,000 people
What is DEATH RATE?
The number of people who permanently leave a country.
What is EMIGRATION?
It combines Natural Increase Rate (NIR) plus Net Migration Rate (NMR).
What is POPULATION GROWTH RATE?
The average number of children that each woman will have in her reproductive years.
What is FERTILITY RATE?
The process that led to a stabilization of population growth in the last century the more highly developed countries.
What is DEMOGRAPHIC TRANSITION?
The human population that could thrive without harming the earth while sustaining a high standard of living for all people.
What is OPTIMUM POPULATION?
The theory that suggests human population would increase faster than food supply and, as a result, the standard of living would decrease. However, “negative checks” such as famine, disease and war would balance out population growth.
What is MALTHUSIAN THEORY?
He wrote The Population Bomb predicting the world would experience famines between 1970 and 1985 due to population growth outstripping resources.
Who is PAUL EHRILICH?
Maximum number of individuals the environment can sustain indefinitely.
What is CARRYING CAPACITY?
Julian Simon supported Cornucopian Theory: A belief that technology will produce endless resources and unlimited population growth. As such, Simon was a founder of this odd “money-and-green” idea.
What is “Free Market Environmentalism”?