5 Biggest Fast Food Chains in the World in 2022

3. KFC 

Revenue: $26.3 billion 

There are 22,600 KFC outlets in 135 countries around the world and 99% of its units are franchised. Its parent company, Yum! Brands topped Wall Street in the second quarter of 2021 due to the success of KFC and Taco Bell. 

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