GEO 206 Lecture Notes - Lecture 2: Urban Sprawl, Demographic Transition, Thomas Robert Malthus
Document Summary
Thomas malthus) time in a predictable manner as they become more industrialized (created by. Demographic transition model populations within countries change over. Rule of 70 it takes 70 years for a population to double in size. (70 / (natural. Dependency load part of the population that needs to be supported (made of two components: the 0-14 age group and 65+ age group) migration / net migration rate) 400/100,000 = 0. 004 x 100 % = 0. 4 % natural increase. 548/100,000 = 0. 00548 x 100 % = 0. 548% net migration rate. 948/100,000 = 0. 00948 x 100% = 0. 948 % natural increase / net migration rate. Eg; 70 / 0. 948 % = takes 73. 8 years to double. 4 types of nations: developed (european countries) 2. Newly industrializing (china: developing (south africa, underdeveloped (rwanda) Demographic factors: birth rate, death rate, education, income level. Stage 1 and stage 2 are mostly for less developed nations, these include: afghanistan, angola, sudan, other developing nations.
