Africa's Population Explosion

Africa is in the midst of a baby boom - the median age across the continent is just 19. The BBC's Africa correspondent, Alastair Leithead investigates. Africa is in the midst of a baby boom - the median age across the continent is just 19. The BBC's Africa correspondent, Alastair Leithead investigates. Africa is in the midst of a baby boom - the median age across the continent is just 19. The BBC's Africa correspondent, Alastair Leithead investigates. Africa is in the midst of a baby boom - the median age across the continent is just 19. The BBC's Africa correspondent, Alastair Leithead investigates.