The 50th anniversary of Walt Disney World is now being celebrated. Therefore, there are a great deal more special events and activities than typical at this time. It would therefore be prudent to add a bit extra time to your Walt Disney World trip.
If you want to have ample time to explore everything, including all four theme parks, Disney Springs, and all the extras, you should plan to spend at least 6-7 days at Walt Disney World.
The wide list of activities and the length of time required to move through the lines make it practically impossible to obtain the entire experience in less time.