"The Population of the United States, 1790-1920"
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In the 130 years from the first federal census of the United States in 1790, the American population increased from about 4 million men to almost 107 million persons. This was predominantly due to natural increase, early driven by high birth rates and moderate motrality levels and after the Civil
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美国国家经济研究局创建时间：
1994-06-01
