Update your Trivial Pursuit sets because the answer to the question of which restaurant is the largest fast-food chain in the world has changed. Subway has officially passed McDonald's for the most restaurants, although McDonald's still retains the crown for highest overall revenue ($24 billion to $15.2 billion). Subway now has 33,749 locations, compared with the 32,737 McDonald's in the world. The numbers tell one story, but your mouths likely have another. Fat City wants to know who is number one in your book. Feel free to suggest additional contenders in the comments.