GEOG 341 Lecture 8: Special Topics - Geograph of Africa - Week 8
22 Mar 2018
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Document Summary
Dynamics of human population are changes in birth, fertility, and mortality rates and sex and ethnic composition. According to population reference bureau 2017, africa has 1. 25 billion people (compared to. North america"s 362 million) of the world total"s 7. 5 billion. Population density: number of people per unit area (sq km or sq mi) as if people where spread out equally through total area. People cannot live in many environments (desert, mountains, etc. ) Examples in africa: over 90% egyptians live within 15 miles of nile river, sahara extremely low density, north africa crowds along mediterranean, namib and kalahari deserts influence lowered density in western south africa, Africa"s is very high, 35 compared to north america"s 12 and world"s 20. Total fertility rate: average number of children born to a female during reproductive years (15- Africa"s is 4. 6 compared to the world"s 2. 5. Africa"s is 9 to world"s 8 and developed countries" 10.
