In 2013, there were 10,265 geoscience faculty and researchers employed at U.S. four-year universities, compared to 10,213 in 2011 and 10,051 in 2008. Approximately 72% of the geoscience faculty are tenured and 14% are untenured but in tenure-track positions. The other 14% are the researcher scientists, adjunct professors, and lecturers working at four-year universities.
The Massachusetts Institute of Technology has graduated the highest number of current geoscience faculty with their highest degree. The 288 MIT graduates make up approximately 3% of the tenured or tenure-track faculty in geoscience departments.