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Geography for IB

Revision for population: key vocab & case studies (does not include migration).

QuestionAnswer
Fertility Rate number of births per 1000 of the population. (Total no. of births/Total population) x 1000
Mortality Rate number of deaths per 1000 of the population (crude death rate). (Total no. of deaths/Total population) x 1000
Underpopulation Where a population is too small to fully exploit it's resources.
Overpopulation Where there are too few resources for the population size.
Optimum Population A theoretical situation where the size of the population is suited to the available resources.
Population Momentum The tendency for a population to continue growing, even after reaching replacement level.
Replacement Level The fertility rate required for the older generations to be replaced by the younger. Now around 2.1 children per woman.
Ageing Population A population with a high proportion of elderly dependants and a low proportion of youthful dependants.
Youthful Population A population with a high proportion of youthful dependants and a low proportion of elderly dependants.
CASE STUDY: Lima, Peru Case Study for: impacts of population growth, reasons for population change (migration)
CASE STUDY: Tanzania Case Study for: factors affecting fertility rate (increase)
CASE STUDY: Kerala, India Case Study for: factors affecting fertility rate (decrease)
CASE STUDY: Sub-Saharan Africa Case Study for: youthful population - causes, effects & solutions.
CASE STUDY: United Kingdom Case Study for: ageing population - causes & effects
CASE STUDY: Singapore Case Study for: pro-natal policy - reasons why, how, successes, issues (also anti-natal policy)
CASE STUDY: China Case Study for: anti-natal policy - why, how, effects
Created by: Purplelushie
 

 



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