In October 2016 we reported on an increase in violence in prisons.
- Assaults by year and prison officer numbers by year, CSV. It is worth noting that although assaults go up as officer numbers go down, there is no significant correlation between the two: the correlation coefficient is 0.2.
- Safety in custody quarter 1 2016 spreadsheet - assault figures are in Table 4 (Source: Ministry of Justice: Safety in custody quarterly update to March 2016)
- Cleaned CSV version of Table 4 from that spreadsheet. Note that this also includes a breakdown by male and female establishments.
- Prison workforce statistics - prison officer figures (a specific role) are taken from Table 3 (Source: Ministry of Justice National Offender Management Service workforce statistics June 2016](https://www.gov.uk/government/statistics/national-offender-management-service-workforce-statistics-june-2016)
- Prison workforce by grade and year - CSV version. Note that prison officers are the type of grade that this story related to.
- Line chart (filled): Rise in assaults in prisons
- Bar chart: Prisons and YOIs with highest assault rates
- Infographic: HMP Pentonville assaults
- Infographic: Assaults on prison staff