Marriott International is the largest hotel company in the world by the number of available rooms. It has 32 brands with 8,785 properties containing 1,597,380 rooms in 139 countries and territories. Of these 8,785 properties 2,046 are managed but not owned by Marriott, 6,563 are owned and managed by independent hospitality companies under franchise agreements with Marriott, and 50 are both owned and managed by Marriott. The company also operates 20 hotel reservation centers.

Marriott International, Inc. was formed in 1993 when Marriott Corporation split into two companies: Marriott International, Inc., which franchises and manages properties, and Host Marriott Corporation (now Host Hotels & Resorts), which owns properties.