To ask the hon. Member for North Devon, representing the House of Commons Commission how many (a) police officers of each rank and (b) civilian security staff (i) are and (ii) were employed on average in each year since 2001 in (A) the Palace of Westminster and (B) the Parliamentary estate. (261476)

We do not disclose the exact disposition of our security operation. The security work force is regularly reviewed by the Serjeant at Arms and Black Rod in consultation with the Joint Committee on Security.