To ask the Secretary of State for the Home Department what recent estimate she has made of the number of people whose DNA is held on the national database who have committed no offence. (147920)

The National DNA Database does not hold information on whether those on it have committed any offence. This is held on the Police National Computer but detailed cross-referencing between the two systems is not routinely available. Discussions are being held on being able to provide this information routinely in future.