What theme park in the world has the highest cumulative attendance?
Disneyland, in Anaheim, California, has the largest cumulative attendance of any theme park in the world.  As of December, 2021, Disneyland has had 757 million visits since it opened in 1955.  Attendance in 2018 was approximately 18.6 million visits, second most visited theme park in the world behind the Magic Kingdom.  It's reported that Disneyland supports 65,700 jobs, including 20,000 direct Disney employees and 3,800 third-party employees.