Skip to main content Skip to secondary navigation

Professoriate Faculty by Tenure Status

Main content start

Professoriate faculty headcounts are displayed by category of primary appointment and tenure status. Overall, the total headcount has grown every year since 2010–11, exhibiting a growing body in the Professoriate. The individual tenure line/status groups generally follow this yearly increasing trend except for the Tenure Line, Not Tenured group, whose headcount has decreased every year since 2019–20. In 2022–23, 54% of the Professoriate is Tenured faculty, 14% is Tenure Line, Not Tenured, and 32% is Not Tenure Line. The data are sourced from the IR&DS Faculty Snapshot taken annually on September 1. See the Methodology & Definitions section for more details.

Embed Code

Methodology & Definitions

Primary Appointment

A primary appointment is a formal association between an individual and an academic department where a majority of or all research, teaching, and clinical duties occurs. These data reflect the tenure line and status for each Professoriate member's primary appointment. Each individual has exactly one primary appointment.

  • Data Governance Center

Professoriate Faculty Headcount

Headcounts are based on primary appointments for all members of the Professoriate as of September 1, which is the effective date that a term of appointment commences each academic year. Faculty on leave are included; emeriti are excluded.

  • Data Source(s): Institutional Research and Decision Support via Faculty Snapshot
  • Faculty Handbook, §2.7 [2.7.5(5)]

Professoriate Faculty

The Professoriate includes all members with appointments as Tenure Line faculty, Non-Tenure Line faculty, University Medical Line faculty (formerly Medical Center Line), and at designated policy centers and institutes, Senior Fellows and Center Fellows. For more information on specific appointments, please refer to the relevant sections of the Faculty Handbook below.

Academic Council Professoriate

The Academic Council Professoriate is a subset of the Professoriate faculty consisting of the following positions:

Tenure Line faculty

  • Assistant Professor
  • Associate Professor
  • Professor

Non-Tenure Line faculty

  • Assistant Professor (Research, Teaching)
  • Associate Professor (Applied Research, Clinical, Performance, Teaching, Research)
  • Professor (Applied Research, Clinical, Performance, Teaching, Research)
  • Senior Fellow at designated policy centers and institutes
  • Center Fellow at designated policy centers and institutes as of 2020–21

For more information about the role and authority of the Academic Council Professoriate, please refer to the Faculty Handbook.

Tenure Status

Tenure Line faculty are categorized as either Tenured or Not Tenured, depending on their individual tenure status. Non-Tenure Line faculty, University Medical Line faculty, Center Fellows, and Senior Fellows are categorized as Not Tenure Line.


The data are available for download in Google Drive.

Stanford University is committed to providing an online environment that is accessible to everyone, including individuals with disabilities. If you cannot access this content or use any features on this site, please contact to obtain alternate formats.

You may submit feedback regarding the content and data on this page through the feedback form.