2024 Tripadvisor Summer Travel Index Reveals Most Popular Summer Destinations Globally and in the US NEEDHAM, Mass., May 14, 2024 /PRNewswire/ -- Americans and travelers around the world continue to place a high priority on summer vacations, according to the annual Summer Travel Index released today by Tripadvisor, the world's largest travel guidance platform. In fact, 95 percent of respondents are planning to travel as much (51%) or more (44%) than last summer, despite some concern about economic headwinds ...