ECON 313 Chapter Notes - Chapter 6: Opportunity Cost, Resource Depletion, Infant Mortality
18 Apr 2016
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Document Summary
Un estimates that by 2050 the world"s population will be 9. 2 billion and the majority of the population will live in the developing world. Most of the global yearly population increase (97%) is in the developing world. Today"s population growth rate is at 1. 1%/year, a historically high rate, but the increase is slowing. Doubling time: the period that a given population or other quantity takes to increase by its present size. Before 1650, it was 36,000 years, today it"s about 58. Human mortality is at the lowest it"s ever been because things like malnutrition, plague and war, which have caused high death rates in the past, are under technological and economic control. Of the world"s population lives in the developing world. Rate of population increase: growth rate of a population, calculated as the natural increase after adjusting for immigration and emigration. Net international migration: excess of people migrating into a country over those who emigrate from that country.
