Researchers from Swansea University have spearheaded an innovative investigation that systematically charts the existing global knowledge—and the notable absences—concerning the life outcomes experienced by children raised in out-of-home care environments. This comprehensive analysis draws upon a robust collection of 77 systematic reviews, all published within the timeframe spanning January 2013 to July 2024. The findings illuminate the domains of children’s development that benefit from substantial research coverage, while simultaneously exposing critical voids in the international body of evidence.
The evidence landscape is heavily skewed toward certain critical areas, including mental health challenges, behavioral patterns, and the dynamics of placement experiences during their time in care. In stark contrast, considerably less attention has been devoted to outcomes associated with personal identity formation, incidents of bullying, rates of mortality, and the foundational processes of early childhood education. Moreover, the influence of broader community factors—such as the quality of local schools, neighborhood environments, and social networks—has been infrequently explored in existing studies.
These evidentiary shortcomings carry profound implications for real-world applications and interventions. Children placed in out-of-home care represent one of the most at-risk populations, often grappling with multifaceted needs that originate from traumatic adverse childhood experiences like physical or emotional abuse, neglect, and entrenched systemic barriers. In the absence of a holistic understanding of their social integration, civic engagement, and overall well-being, policymakers and service providers may inadvertently prioritize narrow clinical interventions—such as treating surface-level symptoms—over the holistic supports essential for enabling these young individuals to fully embed themselves within their communities and achieve lasting success.
This landmark review of reviews, now accessible in PLOS One, delivers an indispensable synthesis of what has hitherto been a scattered and inconsistent evidence base. It equips policymakers, frontline practitioners, academics, and advocates with a clear roadmap, delineating robust areas of knowledge alongside priority zones demanding intensified research efforts to fill persistent gaps.
Richmond Opoku, the study’s lead author and a dedicated researcher at Swansea University, emphasized the transformative potential of this work. “The volume of research focused on children in out-of-home care has expanded dramatically in recent years,” he noted. “Yet, it continues to suffer from fragmentation and uneven coverage. Through this mapping exercise, we gain precise insights into the critical omissions—most notably in realms like personal identity development, opportunities for meaningful participation, and the encompassing community dynamics that profoundly shape a child’s trajectory toward a stable and fulfilling adulthood.”
Dr. Tash Kennedy, senior author affiliated with the Faculty of Medicine, Health and Life Science at Swansea University, reinforced these observations. “Effective support for children navigating out-of-home care demands a panoramic view of their lived realities,” she explained. “This encompasses everything from cultivating a strong sense of self and belonging to active involvement in community activities. By meticulously compiling and analyzing this high-caliber evidence, we lay the groundwork for evidence-informed policies and practices that can genuinely enhance long-term outcomes for these vulnerable youth.”
The research forms a key component of the expansive CARELINK Wales initiative, coordinated by HDR UK Wales. This collaborative endeavor unites top-tier experts from Swansea University, Bangor University, Public Health Wales, Cardiff University, and the University of Manchester. Funding and methodological support are provided through ADR Wales and the Centre for Population Health, ensuring rigorous standards throughout the project lifecycle.
A distinctive feature of the study lies in its commitment to co-production with those directly impacted. To align the investigation with practical priorities and enhance interpretive depth, the research team partnered closely with parents and young people who have personal experience in care. These vital perspectives were sourced from the advisory group known as CASCADE Voices, who contributed to refining the study’s design, selecting focal areas, and contextualizing the emergent findings in ways that resonate with lived realities.
By integrating these stakeholder voices, the project not only advances academic understanding but also bridges the divide between research and actionable change. This participatory approach underscores the ethical imperative of centering care-experienced individuals in efforts to shape their futures, fostering trust and relevance in the resulting recommendations.
The study’s methodology exemplifies best practices in evidence synthesis. Beginning with a comprehensive search of international databases, the team identified and appraised 77 high-quality reviews that met stringent inclusion criteria. Each was meticulously extracted for data on outcome domains, geographic scope, and methodological strengths or limitations. Thematic analysis then revealed patterns, such as the predominance of mental health metrics—documented in over 60% of reviews—juxtaposed against the scarcity of identity-related inquiries, appearing in fewer than 10%.
Behavioral outcomes and placement stability followed closely, reflecting a clinical orientation that, while valuable, overlooks psychosocial dimensions crucial for holistic development. Mortality data, surprisingly sparse given the elevated risks faced by this cohort, highlights an urgent need for longitudinal tracking. Early education processes, including preschool access and quality, emerge as another under-researched frontier, despite their foundational role in cognitive and social trajectories.
Community-level analyses are particularly deficient, with schools mentioned in only a handful of reviews and neighborhoods virtually absent. This oversight ignores how environmental factors modulate resilience, amplifying the effects of individual traumas or mitigating them through supportive ecosystems. Bullying, a pervasive threat that compounds isolation, similarly receives minimal scrutiny, perpetuating cycles of vulnerability.
These gaps are not merely academic; they impede the formulation of nuanced policies. For instance, without robust identity data, interventions may fail to address belonging and cultural continuity, key buffers against mental health decline. Policymakers armed with this map can now target funding toward underrepresented areas, commissioning studies on civic participation, community integration, and long-term mortality trends.
Practitioners stand to benefit immensely, gaining tools to advocate for comprehensive assessments that extend beyond behavioral checklists. Researchers, too, receive a blueprint for future inquiries, prioritizing interdisciplinary approaches that incorporate sociological and environmental lenses alongside psychological ones.
The CARELINK Wales project’s broader ambition is to revolutionize care systems through data linkage and shared intelligence. By harmonizing administrative records with research insights, it promises to track outcomes from entry into care through adulthood, illuminating pathways to success and pitfalls to avoid. CASCADE Voices’ involvement exemplifies a gold standard in participatory research, ensuring that voices from the margins inform the center.
As global populations of children in care swell—driven by factors like poverty, family breakdown, and migration—this study arrives at a pivotal moment. It calls for a paradigm shift from reactive symptom management to proactive, whole-life support, grounded in comprehensive evidence. Only then can we fulfill our collective duty to these young people, transforming statistical vulnerabilities into stories of resilience and achievement.
Publication Information
Richmond Opoku and colleagues, “Mapping the evidence on outcomes of childhood out-of-home care: A scoping review of reviews,” PLOS One (2026). DOI: 10.1371/journal.pone.0325409
**Journal Reference:** PLOS One








