Photo: File Jan. 29, 2021 In its fourth quarter, ending Dec. 31, 2020, McDonald's delivered its strongest financial performance of the extraordinary year of 2020, when the brand said it was able to recover almost 99% of Q4 2019 global comp sales, according to the Chicago-based QSR's latest financial report. Fourth-quarter U.S. comparable sales were 5.5% and 0.4% for the year, marking six consecutive years of positive comparable sales. "2020 will be remembered as one of McDonald's most challenging, yet inspiring, moments in our long history," Chris Kempczinski, McDonald's president and CEO, said in the release. "The resilience of the McDonald's System was on display — making safety and service a priority, putting our customers and people first, and running great restaurants