This report presents 28 tables of data about staff employed by postsecondary institutions in the fall of 1991, using data from the Integrated Postsecondary Education Data System (IPEDS). The data indicate the number of staff employed by postsecondary institutions by staff categories such as faculty, managers, and research assistants and by personal characteristics such as full-time/part-time employment status and sex. Data are presented by level and control of institution and by the institution status as a higher education institution. Highlights of the data include the following: (1) almost two-thirds (64%) of all employees in postsecondary institutions were professional and over half (33.6%) of the professional staff were faculty; (2) colleges differ widely by institutional level in their practices of employing full-time staff, as 75 percent of the employees at four-year colleges were employed on a full-time basis compared with 54 percent in two-year and over 65 percent in less-than-two-year institutions; (3) men were employed in greater numbers than women in each type of professional category except in the professional non-faculty category where women comprised 61 percent of the staff; and (4) between 1989 and 1991 the number of faculty employed by four-year and two-year institutions increased by 2 and 6 percent respectively. A glossary and survey methodology discussion conclude the report. (JB)