What fast food chain has the most locations globally?

Subway is the fast-food chain with the most locations globally due to its unique business model and widespread expansion efforts. Subway primarily operates as a franchise, allowing individuals to open and run their own Subway restaurants. This approach has allowed the brand to quickly multiply its locations worldwide. Additionally, Subway has been successful in adapting its menu to suit different cultural tastes and preferences, enabling it to efficiently enter and flourish in various international markets. As a result, Subway has managed to surpass other fast-food chains in terms of global presence and has become a household name in many countries.