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".
Àbájáde Ìwádìí Pew ọdún-un 2018 sọ wípé iye àwọn aṣípòkiri láti Ìlú Gúúsù Aṣálẹ̀ Sahara "ti fi ìdá 50 lọ sókè tàbí jù bẹ́ẹ̀ lọ ní àárín-in ọdún-un 2010 àti 2017, ju gbogbo rẹ̀ lọ wọn ju ìdá 17 lọ káríayé ní àsìkò kan náà".