Sociology 1020 Chapter Notes - Chapter 22: Arithmetic Progression, Geometric Progression, Sustainable Living
21 Aug 2019
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Soc 1020: chapter 22 population, urbanization, and environment. Demography is the study of human population. The incidence of child-bearing in a country"s population. It is usually measured using the crude birth rate, the number of live births in a given year for every thousand people in a population. Women are capable of bearing more than 20 children, but fecundity (maximum possible child- bearing) is sharply reduced by health, cultural norms, finances, and personal health. The incidence of death in a society"s population, measured by the crude death rate. Infant mortality rate is inversely related to life expectancy, the average lifespan of a population. The movement of people in or out of a specified territory. Immigration is the movement of people into an area; emigration is the movement of people out of an area: both are usually occurring at the same time. Demographers derive the natural growth rate by subtracting the crude death rate from the crude birth rate.
