There will be an estimated 7,214,958,996 people on the planet when 2015 arrives on Thursday. About 320,090,857 of them will be Americans, an increase of more than 2 million from last year, according to the U.S. Census Bureau.
You can't help but encounter some of the 7 billion during your travels this year, wherever you go.
The online hotel booking site also predicts renewed interest in two very different cities: Detroit, which emerged from bankruptcy this year and has been on the rebound with a revitalized downtown area, and Bangkok, Thailand, which saw a steep drop-off in tourism because of political unrest.
Other predicted trends include a big growth among travelers who make hotel reservations with their mobile devices and more demand for free breakfasts at hotels.
Travel agency company Travel Leaders Group surveyed its booking data and projects these U.S. travel destinations will be popular in 2015:
International destinations (or voyages) expected to draw crowds include: