Despite workforce shortages, salary rises, the pandemic, and increased food costs, McDonald's had a strong 2021. Adapting to a changing market helped the chain grow.
Starbucks' year has been tough, with more outlets unionising. 2021 results maintained the brand's status as the second-largest quick-service chain in America.
This "chicken tiny" chain is ranked third among heavyweights. Chick-fil-2,704 A's U.S. outlets dwarf McDonald's 13,438.
Taco Bell established a new "fire" level of superfan in 2020. The "Go Mobile" prototype shop enhanced drive-thru and curbside pickup.
Wendy's is riding high after dethroning Burger King as the nation's second-favorite burger chain after McDonald's.
America still runs on Dunkin', even under the threat of a pandemic. The fast-food establishment kept business humming owing to new beverages and consumers craving donuts.
Just because it's not America's second-favorite fast-food burger chain anymore, doesn't mean Burger King has completely fallen off the radar.
Last year, Subway made $9 billion. In 2019, the chain's revenues were above $10 billion, putting it in sixth position on this list.
Domino's is the only fast-food pizza chain in the top 10, despite the epidemic. Papa Johns is #25 while Pizza Hut is #13.
Chipotle, which usually had greater dine-in sales, benefited from the epidemic. A year before the outbreak, Chipotle debuted order-ahead drive-thrus.