A new list of the world's most popular amusement parks shows just how pervasive the Disney brand is. Disney World's Magic Kingdom in Florida tops the AECOM Index with 20.5 million visitors in 2015, and the brand dominates the top 10. It was a good year for parks in general, with attendance up everywhere from Asia to Africa, reports CNN. The top 10 parks, via themeparkinsider.com: