As of January 2026 Marriott International has a market cap of A$131.49 Billion. This makes Marriott International the world's 253th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Jan 14th, 2026 the market cap of Marriott International was reported to be: