African immigrants in Europe are either born in Africa or are of African descent but live in Europe. Although immigration from Africa to Europe has increased substantially in recent decades, it is not a recent phenomenon.
The Roman Emperor Septimius Severus was born in North Africa, in what is now modern day Libya. North Africans moved to Britain during Roman rule.
Some white British men have a Y chromosome haplogroup originating from Sub-Saharan African males.
Since the 1960s, the main source countries of migration from Africa to Europe have been Morocco, Algeria and Tunisia, resulting in large diasporas with origins in these countries by the end of the 20th century. In the period following the 1973 oil crisis, immigration controls in European states were tightened. The effect of this was not to reduce migration from North Africa but rather to encourage permanent settlement of previously temporary migrants and associated family migration. Much of this migration was from the Maghreb to France, The Netherlands, Belgium and Germany. From the second half of the 1980s, the destination countries for migrants from the Maghreb broadened to include Spain and Italy, as a result of increased demand for low-skilled labour in those countries.
Spain and Italy imposed visa requirements on migrants from the Maghreb in the early 1990s, and the result was an increase in irregular migration across the Mediterranean. Since 2000, the source countries of this irregular migration have grown to include sub-Saharan African states.
During 2000-2005, an estimated 440,000 people per year emigrated from Africa, most of them to Europe. According to Hein de Haas, the director of the International Migration Institute at the University of Oxford, public discourse on African migration to Europe portrays the phenomenon as an "exodus," largely composed of irregular migrants, driven by conflict and poverty. He criticises this portrayal, arguing that the irregular migrants are often well educated and able to afford the considerable cost of the journey to Europe. Migration from Africa to Europe, he argues, "is fuelled by a structural demand for cheap migrant labour in informal sectors." Most migrate on their own initiative, rather than being the victims of traffickers. Furthermore, he argues that whereas the media and popular perceptions see irregular migrants as mostly arriving by sea, most actually arrive on tourist visas or with false documentation, or enter via the Spanish enclaves, Ceuta and Melilla. He states that "the majority of irregular African migrants enter Europe legally and subsequently overstay their visas." Similarly, migration expert Stephen Castles argues that "Despite the media hysteria on the growth of African migration to Europe, actual numbers seem quite small — although there is a surprising lack of precision in the data."