The Harry Potter universe created a clear separation between the world of muggles and the magical world. Author J.K. Rowling managed to display wizards and witches intermingling with muggles on a daily basis, but wizards always tried to hide their true nature. When taking a look at Warner Bros.' Harry Potter movies, it becomes apparent that muggles and wizards lead completely different lives.
Source：https://www.cbr.com/harry-potter-wizards-live-longer/
