What does academic tenure mean, and does it exist in the UK?
Tenure is a form of permanent appointment protecting an academic from dismissal except for defined serious cause — and in the form it takes in the United States, it does not exist in the UK, which is a distinction frequently lost in discussion.
The American model. An academic is appointed to a tenure-track position, works for a probationary period of several years, and is then assessed — on research, teaching and service — for tenure. Success means a position from which they can be dismissed only for serious cause or through financial exigency, subject to due process. Failure generally means leaving the institution.
Why it was established. Principally to protect academic freedom: the ability to pursue unpopular lines of inquiry, publish uncomfortable findings, and teach controversial material without fear of dismissal for doing so. The argument is that research requiring institutional courage will not happen if the researcher's livelihood depends on not upsetting anyone.
The UK position. Tenure in the strict sense was abolished for new appointments by the Education Reform Act 1988, which removed the statutory protection previously enjoyed by academics at older universities.
What UK academics have instead:
Ordinary permanent employment contracts, with the same protections as other employees — unfair dismissal rights, redundancy procedures and notice periods. Substantial, and not equivalent to tenure, since redundancy remains available where a department closes.
Statutory academic freedom protections. The 1988 Act itself requires university statutes to protect academic staff's freedom within the law to question and test received wisdom and put forward new ideas, without jeopardising their jobs. Subsequent legislation has strengthened duties on higher education providers regarding freedom of speech.
Why the distinction matters practically: UK departments and courses do close, with academics made redundant, which would be far harder under tenure. This has occurred repeatedly in subjects with falling enrolment.
The arguments against tenure, fairly stated: it can protect unproductive appointments, it is criticised as generational — heavily benefiting those who obtained it — and it concentrates security while others are casualised.
Both systems face the same underlying pressure: more qualified academics than secure positions.