International travel is forecasted to grow by 20% according to the U.S. Department of Commerce. Over the next five years the fastest growing international markets travelling to the United States include China (61%), India (33%), Chile (33%), Brazil (31%), Venezuela (29%), Korea (28%), Taiwan (27%) and Singapore (26%).
For a complete list of countries in order of rank and annual forecasted growth please download the Adobe PDF document titled: Forecast of International Travelers to the United States by Top Origin Countries. (Presented by the U.S. Department of Commerce).