Mintel
Provides over 900 market research reports focusing on consumer products, lifestyles, retailing and U.S. and international travel industry. Reports include market size, growth, distribution, competitors and consumer usage.
Office of Travel and Tourism Industries
U.S. Dept. of Commerce's site for statistics and national tourism strategy
Travel Industry World Yearbook Reference G 155.A1
Travel trends by sector, by state, and international. Includes profiles of travellers, and world trends by region.
Travel Industry Association
Choose Research for trends, a U.S. market overview, demographic profile, and free travel forecast summary.
World Tourism Organization
