What does the percentage of enslaved africans imported to Caribbean islands and Brazil suggest about racial makeup these areas?

The percentage of enslaved Africans imported to Caribbean islands and Brazil suggests that the racial makeup of these areas is predominantly black. For example, in Brazil, where an estimated 4.8 million enslaved Africans were imported, the population is now about 51% black. In the Caribbean, where an estimated 12.5 million enslaved Africans were imported, the population is now about 60% black. These percentages reflect the fact that the vast majority of enslaved Africans who were brought to these areas were forced to remain there, and that their descendants have continued to live in these areas ever since.