11% – 18% of soldiers that have been in combat have symptoms of increased stress reactions and mental disorders compared to only 9% of soldiers without combat experience 

The pre-deployment phase is reportedly the MOST stressful period for 15% of military families

The deployment phase is reportedly the MOST stressful period for 29% of military families

In Iraq, 14% of soldiers screened had acute stress symptoms and 17% had screened positive for acute stress, depression, or anxiety

19% of Iraq Vets and 12% of Afghanistan Vets report mental health concerns after returning home

About 22% of all soldiers wounded in Iraq or Afghanistan have some degree of a Traumatic Brain Injury

65% of returning soldiers said they thought their leaders would blame them for seeking mental health care

22% of returning soldiers said they did not know where to get mental health support

Links for more information about military mental health statistics 

NAMI – Mental Illness and Veterans

SAMHSA – Veterans Resources on Substance Abuse and Mental Health Statistics

Source:  Johnson, SJ, et al.  The Psychological Needs of U.S. Military Service Members and Their Families: A Preliminary Report.  APA. February 2007.