Overhead view of KFC food, including a bag of fries and some ... franchises are struggling -- and if there's a wider problem at play with KFC itself. Exterior view of Yum! Brands' KFC headquarters ...

Narrator: KFC is one of China's favorite fast food chains. In 2017, KFC generated almost $5 billion in revenue in China. With 5,200 locations, China is home to the most KFCs in the world.