How common are mistakes on Wikipedia?
Because Wikipedia is editable by anyone we can’t guarantee you won’t stumble across a mistake. But mistakes are fairly rare. External studies have suggested they occur at about the same rate they do in traditional encyclopedias. One thing that is great about Wikipedia is that it allows anyone to correct a mistake. A printed encyclopedia will need to wait for its next edition for a mistake to be fixed. On Wikipedia a mistake can be, and often is, fixed instantly.
