It was said that "the Fast Food industry is highly competitive" ("Data Warehousing Case Study: Fast Food", n. d.). McDonald's major Competitors include that Burger King, Taco Bell, Subway, and Panera Bread. Especially, KFC, which offers chicken nuggets and fries on its menu, operates over an 11000 restaurants in more than 80 countries.
Fast food, especially fries, hamburger and so on, are thought as garbage-food because of high-calorie. There are high possibilities of healthy substitutes posing a threat to these companies. Of course, McDonalds is concentrating on the health side by introduction of healthy food items in the menu.