An admission of guilt is a statement by a suspect or defendant accepting that they committed the alleged offence, whether made out of court (for example in a police interview) or in court by a guilty plea. It is a descriptive term used across criminal procedure and evidence law.In England & Wales and Northern Ireland, “confession” is defined in statute (PACE 1984 s82; PACE (NI) Order 1989), and admissibility is governed by provisions excluding statements obtained by oppression or in circumstances likely to render them unreliable (notably PACE s76) and by the general discretion to exclude unfair evidence (s78). Compliance with cautioning and interview Codes, access to legal advice, and recording standards are material.In Scotland, admissibility of admissions rests on the common-law “fairness” test; voluntariness and absence of improper pressure are central. A key difference is corroboration: a confession alone cannot secure conviction without independent supporting evidence. In Ireland, the voluntariness rule applies at common law and under statute, with statements excluded if not proved voluntary beyond reasonable doubt.Practically, an admission of guilt can determine charge, disposal and plea strategy, underpin out-of-court disposals (e.g. cautions in E&W/NI and the Irish Adult Caution Programme), and attract sentence reductions for early guilty pleas under jurisdiction-specific guidelines or statutes.