
Source: Wolterk / iStock Editorial via Getty Images
15. Sonic Drive-In
> 2020 systemwide sales (U.S.): $4.36 billion
> % change over 2019: -4.3%

Source: jetcityimage / Getty Images
14. Popeyes Louisiana Kitchen
> 2020 systemwide sales (U.S.): $4.58 billion
> % change over 2019: 20%

Source: jetcityimage / Getty Images
13. KFC
> 2020 systemwide sales (U.S.): $4.7 billion
> % change over 2019: 4%

Source: Landscape and nature photographer based in Upstate, New York / iStock Editorial via Getty Images
12. Chipotle
> 2020 systemwide sales (U.S.): $5.34 billion
> % change over 2019: 5.7%

Source: Kevork Djansezian / Getty Images
11. Pizza Hut
> 2020 systemwide sales (U.S.): $5.4 billion
> % change over 2019: -2%