4. Haiti
Black population: 8,701,439
Black population, which is estimated at around 9 million, account for 95 percent of total population. Haiti is the first country in the Western hemisphere which abolished slavery and which elected black leader. Jean-Jacques Dessalines, who led the revolution of slaves against colonizers, defeated French troops, which allowed Haiti to declare independence on January 1st, in 1804, which is today celebrated as Independence day.