IIE publishes data annually in Open Doors, with support from the US Department of State. 57 years of trend data on international students and scholars on U.S. campuses and on over 20 years of US students abroad.
Worldwide, there were over 2.9 million international students in 2006, a3% increase over the previous year. By 2025, almost 8 million students are projected to be studying outside their home country.