The world's largest hamburger chain said sales at restaurants open at least 13 months rose 3.9 percent in the United States and 2.7 percent in Europe, its largest market, while falling 0.3 percent in Asia/Pacific, Middle East and Africa.
Analysts polled by Thomson Reuters were looking for increases of 4.3 percent worldwide, 4 percent in the United States, 4.7 percent in Europe and 3.5 percent in APMEA.
McDonald's shares fell 2.6 percent to $86.35 in premarket trading.
Oak Brook, Illinois-based McDonald's sales and profits for months have been the envy of the global fast-food industry, which means that the company is punished when results meet or miss expectations.
The company has been outpacing rivals like Wendy's Co
(Reporting by Brad Dorfman; Additional reporting by Lisa Baertlein in Los Angeles; Editing by Lisa Von Ahn)