Enrollment in U.S. 4-year postsecondary institutions 1970-2031, by attendance
In 2021, there were approximately 7.85 million full-time and 2.9 million part-time students enrolled in 4-year postsecondary institutions across the United States. By 2031, these figures are projected to increase to 8.38 million full-time and 3.18 million part-time students.