GEOG 1HA3 Lecture Notes - Lecture 7: Demographic Transition, Industrial Revolution, Population Pyramid
7 Apr 2016
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Cbr= total live births (in one year) per 1000 people. Crude birth rates are high in africa south east asia, etc. Crude birth rates are low: north america, western nations, etc. Population grow and decline, you take them away from the total number of deaths. Cdr: number of deaths (in one year) per 1000 people. On average they tend to be higher in africa. Highest rates of population increase in the order of 3-4% In general, highest rni associated with low levels of economic development: low rni-europe, high rni- western asia, tropical africa, canada"s rni 0. 3% (few more born than people dying, highest rni: niger 3. 6% Highest rates of natural increase: less developed nations. Its useful to add more categories than less. Movement of people: diffusion (point a to b) Factors affecting global population distribution: migration, differential birth rate, differential death rates, differential rates of natural increase, level of economic development, physical environment (careful, social and cultural factors **
