4.1 Natural Increase - definitions/calculations Flashcards
(11 cards)
Birth rate
live births / 1000 ppl per year
Mortality / Death rate
deaths / 1000 ppl per year
Natural increase ; natural decrease + its DTM stages
Birth rate - Death rate ;
Natural decrease when -ve (DR>BR), stage 5 (decline), may in stage 1 (high fluctuating) / 4 (low fluctuating)
Fertility rate *
Average no. of children a woman has in her lifetime ; replacement level is 2.1 — population increases if >2.1
Replacement level + impact
when fertility rate = 2.1, population replaces itself // exceeds 2.1, population increases
Infant mortality rate
No. of children who die under 1 / 1000 births per year
Child mortality rate
No. of children who die under 5 / 1000 births per year
Maternal mortality rate
No. of women who die while pregnant / no. of women aged 15-49 (reproductive age)
Reproductive age
15-49
Life expectancy
Average no, of years a person is expected to live
Population density
population /km^2
