GEOG 122 Lecture Notes - Lecture 22: Population Pyramid, Population Connection, Middle Ages
Document Summary
Demography: the science of population studies (it is also the national census as major data source) The census is a strategy of the government (where the earliest records of the data is 4000 years old) > considered ancient assessments that were conducted by the chinese/middle east empires, while the romans conducted systematic records around 6000 bc. 2011: the world"s population hit 7 billion (reaching 6 billion only 12 years earlier) Around 1750, the population growth began rising rapidly. After the 1950s, it raised to an extraordinary rate of growth (exceeds our expectations) The world population is doubling every 35 years > therefore it would grow x. 1000,000 every 700 years (this was recorded during the 1970s, where the rate of growth was at its peak) In the rate of growth of the mid 70s, it was projected that in less than 1200 years, the weight of men/women/children would have weighed more than the.
