According to the 2023 Big Book of Travel Data, Marriott International had the highest room revenue worldwide of leading hotel groups in 2022 with $61.4 billion, followed by Hilton Hotels at $41.5 billion and IHG Hotels & Resorts at $25.8 billion. Hampton by Hilton topped the list of gross room revenue for an individual brand, bringing in $10.2 billion last year. TravelPulse