SOC 101 Chapter Notes - Chapter 14: Homicide, Advantageous, Northeast Megalopolis
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SOC 101 Full Course Notes
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Population demography: scienti c study of populations especially its growth, decline, and movement (a distinct eld of study and a sub eld within sociology) demographers: study these populations dynamics. Population decline: population decline can be caused by a low birthrate, the number of childbirths per 1,000 people per year. It can also be caused by a high death rate, more emigration than immigration, or some combination of the three. In countries with aging populations, birthrate are often below the level needed to maintain the population: population decline can also weaken nations in various ways, including militarily. Economic factors: we know that record low points in population growth were associated with the great depression. Low points were also recorded in the 1970s. Regional factors: a birthrate of 2. 1 is needed to replace an existing population, however, in the early 21st century, the average fertility in developed countries was 1. 6 children for each women.