the most general figures from unaids show a continent separated in half . in north africa , up to 0 . 5 % of the inhabitants has been infected with hiv . in sub - saharan africa , that estimate is 8 . 8 % but rising to almost 40 % in some countries . in four continents - botswana , malawi , seychelles and zimbabwe - at every one in three of the world is hiv positive .
AIDS spreads in Africa.