Note that total enrollment is flat to down (yes, there are a few upward blips). Foreign enrollment (special visas) is up substantially.
But then, why should Americans bother to go into such fields? The free traitors will just cut their throats.
Far too many people go to college,which has become not even glorified high school.Far too many jobs, which never required a college degree,do so now,when an 8th grade education is about the level needed to to the job.A lot of kids NEVER get jobs in their majors, because their majors are either irrelevant or silly, or bogus,or over supplied.
Instead of looking at the numbers of college attendees of the past decade, look at what the stats were 3 and 6 and 9 and 12 decades ago.
And,FYI,it is NOT a function of government, to assure that everyone has the job of his/her dreams;it isn't even there function to make sure that everyone has a job at all!