Question to the Ministry of Defence:

To ask the Secretary of State for Defence, what information his Department holds on (a) the number of veterans with PTSD and (b) how many were diagnosed (i) before and (ii) after they left the Armed Forces.

The Ministry of Defence does not collect or hold information on all veterans and cannot say how many have a diagnosis of PTSD.

The number of personnel medically discharged with PTSD listed as a principal or contributory cause can be found at; https://www.gov.uk/government/collections/medical-discharges-among-uk-service-personnel-statistics-index