GEOG 1HB3 Lecture : Lecture Notes.doc
17 Dec 2012
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October 1999 world population reached 6 billion (1985 = 5 billion) Probability is that it is in a country where the birth rate is high, most likely a lower industrialized country. Each year, 83 million births, of which, only 1 million (1. 2%) are born in advanced, industrial nations. Demography: the study of population demos: populace, people graphe: to write about population geography: study of the spatial components of demography. Carrying capacity: limit in terms of food, resources, energy, etc. What factors have contributed to population increases/ decreases during the. From the beginning to 1927: population reaches 2 billion. From 1927, < 50 years to reach 4 billion. From 1974, 25 years to reach 6 billion see figure 4. 10, pg. Population continues to increase, but at a decreasing rate (world total) Population expected to plateau at 9 billion by 2050 (vs. estimates of 12 billion in. Spatial variation in fertility, mortality, natural increase ( developed" vs. less developed" nations)
