Currently, the largest amusement park collection in the world is the Walt Disney World Resort in Orlando, which is also the largest single-site employer in the United states with 58,000 employees
Dubailand will be twice the size.
Dubailand will be built on 3 billion square feet (107 miles^2) at an estimated $20 billion price tag. The site will include a purported 45 mega projects and 200 hundred other smaller projects.
Currently, the Walt Disney World Resort is the #1 tourist destination in the world. Once fully completed, Dubailand will easily take over that title since it is expected to attract 200,000 visitors daily.