Auxiliary police, also called volunteer police, reserve police, assistant police, civil guards, or special police, are usually the part-time reserves of a regular police force. They may be unpaid volunteers or paid members of the police service with which they are affiliated.

Auxiliary police are primarily tasked with supporting and augmenting the police, but this may also extend to established emergency services such as the fire department, emergency medical services, border patrol, and coast guard. Duties commonly assigned to auxiliaries include community policing, neighborhood watch, traffic policing, civil defense, and riot control.

Auxiliary police

The police powers auxiliaries may exercise vary from agency to agency; some have no or limited authority, while others may be accorded full police powers. They may be armed or unarmed.

Auxiliary police

Australia

The Australian Federal Police can appoint Special Members who do not have full police powers. Special Members are generally recruited locally to perform regulatory and administrative duties, but also perform some community policing duties in locations such as Norfolk Island, Christmas Island and Jervis Bay Territory.

Auxiliary police

The Western Australia Police has had auxiliary officers since 2009. The role of Police Auxiliary Officers was inserted into the Police Act 1892 by the Police Amendment Act 2009. They generally perform administrative and other duties which do not require full police powers.

The Northern Territory Police has auxiliary officers who can perform administrative duties and communications, plus duties which may require some expertise but do not require police powers such as search and rescue.

The Victoria Police recruited 3,100 auxiliary police to the Victoria Police Auxiliary Force during World War II to assist regular police in the event of emergencies. The Auxiliary Force was disbanded in 1946. A number of retired police were temporarily formed into a Police Reserve to assist with traffic control during the 1956 Summer Olympics. A permanent Retired Police Reserve was established under the Police Regulation Act 1958, although today is very small in number.

The New South Wales Police Force formed a Police Reserve of around 500 special constables during World War I. The Police Reserve was formed again during World War II.

Canada

In Canada, many police forces utilize the services of auxiliary constables. Under various provincial policing legislations and the Royal Canadian Mounted Police Act, the role of auxiliary constable is to assist regular, or sworn, police constables in the execution of their duties, as well as to provide assistance in community policing.

Auxiliary constables in Canada wear uniforms similar to regular force constables. However, most wear the word "auxiliary" on a rocker panel under the force's crest on each arm, and in some cases, wear a red and black checkered head band on their service caps to distinguish them from full-time police. Also, auxiliary constables are usually unarmed, but are trained in firearms. They may, depending on legislation and policies, carry a baton and handcuffs while on duty.

Auxiliary officers are often called upon to assist in such things as large-scale searches for missing persons, to provide crowd control at large-scale events, and often accompany regular force police officers on daily patrols.

The Calgary Police Service discontinued their auxiliary cadet program in 2019 due to concerns that volunteers were given supplemental work, which brought about safety and working condition concerns.

Hong Kong

The Hong Kong Auxiliary Police Force (HKAPF, traditional Chinese: 香港輔助警察隊), established in 1914, provides additional manpower to the Hong Kong Police Force (HKPF) during emergencies and other incidents. From 1969 to 1997, the HKAPF was known as the Royal Hong Kong Auxiliary Police Force (RHKAPF).

Auxiliary police officers are paid hourly wages and have similar duties to full-time members of the HKPF. Most are armed and, like members of the HKPF, are equipped with full gear and weapons including pepper spray, expandable batons and Smith & Wesson Model 10 revolvers as sidearms, with spare ammunition, while some are armed with Remington 870 shotguns. The HKAPF reports to the Commissioner of Police.