| Allegation category | Allegation subcategory | N | % of total allegations logged |
| Delivery of duties and service | Police action following contact | 37,667 | 22 |
| Decisions | 13,479 | 8 |
| General level of service | 29,691 | 18 |
| Information | 10,515 | 6 |
| No subcategory recorded | 4 | 0 |
| Error in subcategories | 4 | 0 |
| |
| Police powers, policies and procedures | Stops, and stop and search | 1,790 | 1 |
| Searches of premises and seizure of property | 4,603 | 3 |
| Power to arrest and detain | 6,460 | 4 |
| Detention in police custody | 5,122 | 3 |
| Bail, identification and interview procedures | 2,122 | 1 |
| Use of force | 8,826 | 5 |
| Evidential procedures | 2,631 | 2 |
| Out of court disposals | 540 | 0 |
| Other policies and procedures | 3,735 | 2 |
| No subcategory recorded | 2 | 0 |
| Error in subcategories | 3 | 0 |
| |
| Handling of or damage to property / premises | Handling of or damage to property/ premises | 5,555 | 3 |
| No subcategory recorded | 127 | 0 |
| Error in subcategories | 8 | 0 |
| |
| Access and/or disclosure of information | Use of police systems | 245 | 0 |
| Disclosure of information | 2,349 | 1 |
| Handling of information | 789 | 0 |
| Accessing and handling of information from other sources | 133 | 0 |
| Error in subcategories | 2 | 0 |
| |
| Use of police vehicles | Use of police vehicles | 1,639 | 1 |
| No subcategory recorded | 51 | 0 |
| Error in subcategories* | 76 | 0 |
| |
| Discriminatory behaviour | Age | 73 | 0 |
| Disability | 911 | 1 |
| Gender reassignment | 56 | 0 |
| Marriage and civil partnership | 2 | 0 |
| Pregnancy and maternity | 4 | 0 |
| Race | 2,335 | 1 |
| Religion or belief | 127 | 0 |
| Sex | 769 | 0 |
| Sexual orientation | 134 | 0 |
| Other | 421 | 0 |
| |
| Abuse of position / corruption | Abuse of position for financial purpose | 70 | 0 |
| Abuse of position for sexual purpose | 80 | 0 |
| Abuse of position for the purpose of pursuing an inappropriate emotional relationship | 23 | 0 |
| Abuse of position for other purpose | 481 | 0 |
| Obstruction of justice | 688 | 0 |
| Organisational corruption | 272 | 0 |
| |
| Individual behaviours | Unprofessional attitude and disrespect | 5,808 | 3 |
| Lack of fairness and impartiality | 2,807 | 2 |
| Overbearing or harassing behaviours | 3,415 | 2 |
| Impolite language / tone | 5,352 | 3 |
| Impolite and intolerant actions | 3,098 | 2 |
| No subcategory recorded | 1 | 0 |
| |
| Sexual conduct | Sexual assault | 290 | 0 |
| Sexual harassment | 48 | 0 |
| Other sexual conduct | 66 | 0 |
| |
| Discreditable conduct | Discreditable conduct | 1,028 | 1 |
| No subcategory recorded | 3 | 0 |
| |
| Other | Other | 1,716 | 1 |
| |
| Total allegations | | 168,246 | 100 |