The information requested cannot be calculated from the centrally collected data within the police personnel statistics series. Length of service data are collected in the following time bands only for police officers: less than six months, six months to one year, one to two years, two to three years, three to four years, four to five years, five to 10 years, 10 to 15 years, 15 to 20 years, 20 to 25 years, 25 to 26 years, 26 to 27 years, 27 to 28 years, 28 to 29 years, 29 to 30 years, 30 to 31 years, 31 to 32 years, 32 to 33 years, 33 to 34 years, 34 to 35 years, and 35 years and over.
The length of service categories with the largest numbers of police officers have been given. There were approximately 25,000 full-time equivalent police officers in the 43 police forces of England and Wales with between five and 10 years service, approximately 21,000 with 15 to 20 years service and approximately 20,000 with 10 to 15 years service as at 31 March 2007.