13:50More or LessHarry Potter: How Many Wizards?BBC World Service Duration: 9 minutes Mon 4th Jun 2018, 13:50 on BBC World Service East and Southern AfricaAvailable for over a yearListen nowFans have long debated - just how many wizards live among us? Show more GenresFactualFormatsMagazines & ReviewsBrandMore or Less Source: BBC Online