A 2018 Pew Research study reports that the number of migrants from sub-Saharan Africa "grew by 50% or more between 2010 and 2017, significantly more than the 17% worldwide average increase for the same period".
Wani bincike da Pew Research ta yi a shekarar 2018 ya rawaito cewa adadin matafiya daga ƙasashen Afirka da ke kudu da hamada "ya ƙaru da kaso 50 cikin ɗari ko fiye da haka tsakanin shekarun 2010 da 2017, wannan ya haura kaso 17 cikin ɗari na duk duniya a lokaci iri ɗaya".