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The Foreign Born were not U.S. citizens at birth. Natives were born in the United States or a U.S. Island Area such as Puerto Rico, or born abroad of a U.S. citizen parent.**
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** (Source: "The Foreign-Born Population in the United States: March 1999," Current Population Reports, Population Characteristics, Series P20-519)

Source: U.S. Census Bureau, Population Division,
Immigration Statistics Staff

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