Top 10 Biggest Fast Food Franchises in the World (Based on Number of Locations) Here are the top 10 biggest fast food franchises in the world based on the number of locations: 1. Subway – Approximately 42,998 locations   Subway is a leader in the fast food industry, specializing in customizable sandwiches and salads. Known for … Continue reading Top 10 Biggest Fast Food Franchises in the World