Urbanization and Its Historical StagesBy the early 1900s both Great Britain and the United States had become predominantly urbanized nations; since that time, urbanization has been occurring around the globe at a rapid rate. Today, as many as 50 percent of the world's population lives in urban areas, compared to only a few percent just 200 years ago.Sociologists studying urbanization trends note three distinct historical stages in the development of cities: preindustrial, industrial, and metropolitan-megalopolitan stages. Preindustrial citiesFor the vast majority of human history, as far as anyone knows, people roamed about in search of sustenance. While they gathered edible plants, fished, and hunted, our ancestors could never find enough food in one area to sustain themselves for an extended period of time. Consequently, they had to keep moving until they could find another place in which to settle temporarily.
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50 percent, 200 years, 5,000 years, Historical Stages