I’m not contesting this, but it surprises me, so would you answer some questions for me?
I just looked up the Chemistry department at the University of Michigan. I found there a list of 59 Faculty members, four of whom had the rank of Lecturer, and the rest of whom had the ranks of Assistant Professor, Associate Professor, and Professor.
Am I correct in assuming that everyone from Assistant Professor on up would be either tenured or tenure-track?
If so, then the equation 55 = 30/100x, where x is the total number of chemistry faculty members at the school, yields the solution x = 183.
Does that mean that the University of Michigan’s chemistry department has approximately 183 faculty members, 55 of whom are tenured or tenure-track, and the other 128 of whom are lecturers, or something less? And of those 128, are they all full-time faculty, or just part-time faculty, teaching maybe only a course or two every school year, or serving only as teaching assistants, graders, etc.? Or are most of those 128 researchers only, doing stuff in labs on short-term contracts, but not teaching anyone at all? And do all 128 of the extra people have a vote at Chemistry department meetings?
I’m not trying to be at all sarcastic; I really don’t understand what your percentage means. I’m trying to envision a chemistry department with 55 professors plus 128 other Ph.D.s who are hanging around, some doing some research, some doing some teaching, but most of whom have little to no hope of permanent employment in the department. It seems to me that considerations of office space alone, let alone budgetary and other considerations, would make the accommodation of such a large number of hanger-ons problematic.
In the Arts part of the university, at least of most universities I’m familiar with, a department of, say, Philosophy, might have maybe 20 tenured or tenure-track professors, maybe one or two Lecturers (hired specifically to teach, and only to teach) on one-year or two-year contracts, and, under extremely rare circumstances, maybe one visiting post-doctoral fellow – and that only in a place with a BIG philosophy graduate program. There might also be a half-dozen other transient teachers hired to fill in one-course gaps for the current year, and of course there might be a few dozen grad students serving as teaching assistants, graders, etc. But none of the short-term or part-time or post-doc people or teaching assistants would be called “faculty” – only the Assistant, Associate, and full Professors (and maybe, in rare cases, one or two Permanent Lecturers) – would be called “Faculty”. In other words, the penumbra of non-core employees would be nowhere near as large as what you are suggesting is routinely the case in scientific subjects. Can you clarify the situation for me? Who are the missing 70% of the people hanging around, and what exactly do they do to earn their salaries? And why are they hanging around, if the odds of ever gaining permanent university employment their field are only 3 out of 10?