GEOG 1HB3 Lecture Notes - Lecture 9: Total Fertility Rate
13 Mar 2018
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Lecture 10: population growth - theory & dynamics. Globally, population is understood with reference to two factors: fertility (birth) and mortality (death) Regionally though, population is also influenced by population movement : migration (immigration and emigration) Crude birth rate (cbr): (b/p) x 1000 total number of live births per year for every 1000 people already living. General fertility rate (or fecundity)(gfr): (b/p f-15-49) x 1000. Tfr: the average number of children a woman will have in her fecund years (15-49) Global tfr = 2. 5 (2015); mdw = <2. 0 & ldw => 2. 0. Age, nutritional well being, level of economic development & culture. Total fertility rate: average number of children a woman will have in her reproductive years. Total number of deaths per year for every 1000 people. Cdr does not account fro the age of the population. Infant mortality rate (an age adjusted rate) (imr): (d 0-1/b) x 1000. Range from less than 10 to more than 100.
