Population Flashcards
What is a demographic transition model
A model based on historical trends in demography that shows the progression of the birth and death rates within a population
what is meant by population momentum
population momentum is when a countries fertility rate is below approximately 2 however the population continues to grow to the age structure
What does the term population distribution mean?
how spread out a population is ( refered to as sparse or dense )
What does the term migration mean?
Movement of people from one place to another for economic, political or environmental reasons
What is meant by densely population?
an area that contains lots of people.
What is mean by sparsely populated?
an area that contains few people
What is population density
The number of people living in an area using expressed as number of people livening within a square kilometre.
Calculation=
total population / total area (km)2 = population density answer in number per km2
what is a population explosion and why does it happen
When the population of something suddenly increases rises or falls ( possibly to new advancements )
What is over population - give example of country over populated
Over population - a country or region that does not have enough resources to keep all of its people at a reasonable standard of living.
What is under population - give example of countries underpopulated
Under population is when a region or country has too few popped to use all the resources of an area to the maximum efficiency.
Canada, Australia, Mongolia
List factors that can affect birth rate
Increase
young marrige ( child planning )
poor families ( children to take care of them )
religion
medical care
Decrease
access to contraception - family size could be planned
increase in wages - families better off and no longer required their children to generate i
careers - women deciding to wrk and follow careers rather than have children at early age or at all
child laws / politics
limited resourses
amount of docters in area
pro natal / anti natal
List factors that can affect death rate
Pandemics
war
hazards
healthcare
limited resourses
crime
fitness
education
list factors that can make a population increase or decrease
Virus and pandemics
wars
wealth
amount of reasourses
climate and hazards
pollution
choice of leader
health-care
child planning
fitness / health of people
charity
law / crime rate
international aid
migration
What are these key terms:
Demography = study of people
Birthrate = number of births per 1000
Deathrate = number of deaths per 1000
Population distribution = how spread out a population is ( refered to as sparse or dense )
Population density = number of people per Km2
Overpopulation = state whereby the human population rises to an extent exceeding the capacity of the ecologic setting
Underpopulation = when a country has a lower population density then what is normal or desired
Densely populated = an area that contains lots of people.
Sparsely populated = an area that contains few people
Population growth = the increase in the number of people in a population
Population decline = the decrease in the number of people in a population
List factors for migration ( push and pull )
Quality of life
Jobs/buisness
Climate
healthcare and taxes
financial sucess of the country
countries political stands/viewpoints
education
access to filtered water
culture
transport
crime rate
infastructure
pollution
family
passports/visa
borders
languages