Migration

Net migration rates for 2008: positive (blue), negative (orange), stable (green), and no data (gray)

Migration is defined as movement by humans from one place to another, sometimes over long distances or in large groups. Historically this movement was nomadic, often causing significant conflict with the indigenous population and their displacement or cultural assimilation. Only a few nomadic people have retained this form of lifestyle.

Migration has continued with time under the form of both voluntary migration

Mitochondrial DNA-based chart of large human migrations (Numbers are thousands before present.)

within one’s region, country, or beyond and involuntary migration (which includes the slave trade, trafficking in human beings and ethnic cleansing). People who migrate into a territory are called immigrants, while at the departure point they are called emigrants.

Small populations migrating to develop a territory considered void of settlement depending on historical setting, circumstances and perspective are referred to as settlers or colonists, while populations displaced by immigration and colonization are called refugees.

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