In 2015, 153,000 migrants arrived in the European Union via the Italian coast, according to the International Organization for Migration. The largest number — about 22,000 — were Nigerians.
Return, however, is not always straightforward. Often there are fears of extortion by those who helped migrants to leave in the first place, of being killed by people-smuggling gangs or simply not having enough money to start a new life.
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