IIE estimates that international students made up 5.2 percent of all students in U.S. higher education in 2015-16, an increase from 4.8 percent the year before and 3.2 percent a decade earlier. The proportions of international students in some states are higher, per the infographic below from IIE.

Source: Annual Open Doors report documents continued growth in international students in U.S. and U.S. students abroad