GEO 106 Lecture Notes - Lecture 12: Hans Rosling, Greater Tokyo Area, Exponential Growth
3 Dec 2017
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Lecture pressures from world population growth date _____________ This has taken 2 to 5 million years. There are two billion on the planet by 1930. The second billion occurs over 50 years (to handle doubling of needs housing, education, in order to keep population at same level as before) Four billion people occupy the planet by 1975. 15 years to add one more billion (demands go up more and more, employ people) Only 11 years to add one more billion people. Low income women had more babies before, high income women had less babies (went from 8 to 2 children average) If slower rates of growth than at present. Demands: wants and needs, specific demand for goods, services, experiences (vacations), values. Greater tokyo 2015 avg apartment said is 645 square feet and avg building age is 18. 7 years. For example in 2008 world grain production was 2226 million tons. China consumed for the same period 392 million tons.
