Population Indicators (Grade 10 NSC Matric Geography): Flashcards
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Crude birth rate (CBR)
Crude birth rate (CBR)
Live births per year per 1,000 people in a population
CBR formula
CBR formula
(Births ÷ Total population) × 1000
Total fertility rate (TFR)
Total fertility rate (TFR)
Avg. children born per woman during reproductive years
Replacement rate value
Replacement rate value
2.1 children per woman
Why replacement rate is 2.1, not 2.0?
Why replacement rate is 2.1, not 2.0?
Some children don't survive to reproductive age
Crude death rate (CDR)
Crude death rate (CDR)
Deaths per 1,000 people in a population per year
CDR formula
CDR formula
(Deaths ÷ Total population) × 1000
Infant mortality rate (IMR)
Infant mortality rate (IMR)
Deaths of babies <1 year per 1,000 live births per year
Life expectancy
Life expectancy
Avg. years a person is likely to live
Natural increase (NI) formula
Natural increase (NI) formula
((CBR - CDR) ÷ 1000) × 100