Question to the Ministry of Justice:

To ask His Majesty's Government what the average tariff length of a life sentence for murder was in 2024 and 2025 to date, in years and months.

The Ministry of Justice routinely publishes data in Offender Management Statistics Quarterly (OMSQ) on the prison population.

Table 1: Mean Tariff Length for Offenders Who Committed Murder, by Year of Sentence

Table notes:

1. *Data for 2025 are up to 30 September 2025.
2. Figures are subject to change as more information about tariff becomes available.
3. Tariff length is the time between date of sentencing and tariff expiry date, and does not take into account any time served on remand.
4. Figures do not include offenders who received a Whole Life Order.

Source: Public Protection Unit Database

Data sources and quality

The figures in the above tables have been drawn from administrative IT systems which, as with any large scale recording system, are subject to possible errors with data entry and processing.