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Human migration is the movement of people from one place to another, [1] with intentions of settling, permanently or temporarily, at a new location (geographic region). The movement often occurs over long distances and from one country to another (external migration), but internal migration (within a single country) is the dominant form of human migration globally.
Historically, early human migration includes the peopling of the world, i.e. migration to world regions where there was previously no human habitation, during the Upper Paleolithic. Since the Neolithic , most migrations (except for the peopling of remote regions such as the Arctic or the Pacific ), were predominantly warlike, consisting of ...
Emigration is the act of leaving a resident country or place of residence [1] with the intent to settle elsewhere (to permanently leave a country). [2] Conversely, immigration describes the movement of people into one country from another (to permanently move to a country). [3]
Studies show that the pre-modern migration of human populations begins with the movement of Homo erectus out of Africa across Eurasia about 1.75 million years ago. Homo sapiens appeared to have occupied all of Africa about 150,000 years ago; some members of this species moved out of Africa 70,000 years ago (or, according to more recent studies, as early as 125,000 years ago into Asia, [1] [2 ...
Forced displacement (also forced migration or forced relocation) is an involuntary or coerced movement of a person or people away from their home or home region.The UNHCR defines 'forced displacement' as follows: displaced "as a result of persecution, conflict, generalized violence or human rights violations".
Global migration during the twentieth century grew particularly during the first half of the century. Due to World War I and World War II , European immigrants came to the United States (for example) in vast [ quantify ] quantities.
Countries which receive migrants have been grouped by academics into four categories: traditional settlement countries, European countries which encouraged labour migration after World War II, European countries which receive a significant portion of their immigrant populations from their former colonies, and countries which formerly were ...
The combination of declining rural jobs and a persistently high rural fertility rate has led to rural-urban migration streams. Rural flight also contains a positive feedback loop where previous migrants from rural communities assist new migrants in adjusting to city life. Also known as chain migration, migrant networks lower barriers to rural ...