Study highlights ongoing mental health crisis among foster youth with rising C-PTSD rates

A new study sheds light on the severe mental health challenges faced by young people ageing out of foster care, revealing a prevalent rate of complex post-traumatic stress disorder and highlighting the importance of trauma-informed support.

A study by former foster youth advocate Sky Lea Ross has put fresh attention on the mental health burden carried by young people who age out of care. In 2022, Ross examined 55 former foster youth aged 18 to 35 and found that 89% met the criteria for complex post-traumatic stress disorder, or C-PTSD, at a moderate to severe level. Her findings echo wider research showing that trauma is common in foster care and that mental health needs are often acute and long-lasting.

C-PTSD differs from the more familiar post-traumatic stress disorder in that it is typically linked to repeated trauma rather than a single event. Ross describes symptoms ranging from intrusive memories and flashbacks to hypervigilance, insomnia, panic attacks and avoidance. That pattern fits with published research on children and adolescents in foster care, including a study on complex trauma that found more than 70% of participants had experienced at least two forms of trauma, with higher rates of internalising problems and post-traumatic stress than other young people.

The broader literature also shows that foster care experience is associated with elevated rates of mental illness. One recent paper noted that more than half of adolescents in the child welfare system have been diagnosed with at least one mental health disorder, while former foster youth are far more likely than the general adult population to receive a PTSD diagnosis. Another study of youth in out-of-home care found significant psychological distress among former foster youth, with better outcomes linked to stronger preparation for independent living.

Ross’s account adds a personal dimension to that research. She said she was diagnosed with C-PTSD at 16 after entering foster care and has lived with the condition herself. In her study, participants also reported depression, anxiety, bipolar disorder, obsessive compulsive disorder and substance use disorder, along with emotional numbness, separation anxiety and a sense of being trapped in survival mode. The picture that emerges is not simply one of diagnosis, but of accumulated strain that can shape daily life well into adulthood.

At the same time, Ross’s findings also point to resilience and recovery. Participants described coping through therapy, mindfulness, self-care and introspection, and many were pursuing higher education, careers and personal interests. The research supports a familiar conclusion in child welfare policy: trauma-informed care, early intervention and better preparation for adulthood are not optional extras, but central to improving outcomes for young people leaving foster care.