It looks like the novel The Camp of the Saints was optimistic, for most of Africa seems not to believe the Black Panther movie, and wants to move to Europe and the United States:
http://www.breitbart.com/london/2018/03/23/two-thirds-sub-saharan-africans-migrate-europe-us/
“Up to two-thirds of sub-Saharan Africa’s 1.1 billion population want to migrate to Europe or to the United States, with millions planning to make the move in the next five years. Around half of people in Kenya, Tanzania, Senegal, and South Africa, and three quarters of those questioned in Ghana and Nigeria, want to immigrate to the U.S. or Europe, according to a study by Pew Research Centre published Thursday. Around 40 per cent of those in Senegal, Ghana, and Nigeria who want to leave said they intend to do so in the next five years.
