GEOG 1001 Lecture : Week 2
Document Summary
Different rates of population growth around the world. Population planning takes many forms: one child policy; please have children policy. Rate of natural increase- (rni) world average is 1. 2 percent/year annual growth rate for a country or region, expressed as a percentage increase or decrease; equals the number of birth minus the number of deaths; excluding the migration. Crude birth rate- (cbr) the gross number of births divided by the total population, giving a figure per 1,000 of the population; world cbr is 21 per. Total fertility rate-(tfr) the average number of children borne by a statically average woman; world tfr is 2. 7, but ranges from 1. 5 (europe) to 5. 0 (africa) Crude death rate-(cdr) the gross )total) number of deaths divided by the total population, producing a figure per 1,000 of the population; world cdr is 9 per 1,000. Population pyramids graphically represent age and gender distribution of population.
