More than two-thirds of young adults across Europe say they experienced at least one serious form of childhood adversity, according to a new report from the World Health Organization Regional Office for Europe. The findings link early exposure to violence, neglect, loss and household crises with poorer mental health, physical wellbeing and social outcomes later in life.
The report places childhood trauma among Europe’s wider public-health and social-policy challenges. It also warns that many young adults who believe they need professional mental-health support are not receiving it, particularly those who experienced multiple forms of adversity.
What the WHO study found
The study surveyed more than 26,000 people aged between 18 and 30 across Europe between November 2025 and January 2026. Participants were asked about nine types of adverse childhood experiences, including:
- Physical, emotional or sexual abuse
- Physical neglect
- Witnessing domestic violence
- Household substance use
- Household mental illness
- Parental separation or the death of a parent
More than one in five respondents reported four or more adverse experiences. The most frequently reported experiences included parental separation or death, witnessing domestic violence and emotional abuse.
The report presents these experiences as interconnected risks rather than isolated events. Chronic stress during childhood can affect brain development, emotional regulation and the body’s response to stress, with possible consequences extending into education, employment, relationships and everyday functioning.
Multiple adverse experiences linked to greater support needs
The strongest differences appeared among young adults who reported four or more adverse childhood experiences. They recorded substantially higher levels of physical pain or discomfort, difficulty carrying out daily activities, mobility problems and challenges with self-care.
Mental-health needs also varied sharply according to childhood experience. Among those reporting four or more adverse experiences, 76.3% said they had needed professional mental-health support during the previous year. That compared with 36.7% among respondents who reported no such experiences.
However, the group with the greatest level of need was also more likely to say that it had not received the support required. This points to a gap between identifying mental-health needs and providing timely, accessible services.
Why the findings matter beyond healthcare
The World Health Organization’s message is that childhood adversity should not be treated solely as a clinical or mental-health issue. Its effects can influence school participation, entry into the labour market, household stability and relationships, creating costs for individuals, communities and public services.
Natasha Azzopardi-Muscat, director of health systems at WHO/Europe, said the consequences can follow people into “the classroom, job market and their relationships”. She also described the issue as social and economic, requiring action beyond health services.
That approach involves cooperation across several areas of public policy, including:
- Child protection and safeguarding
- Education and early-years services
- Domestic-violence prevention
- Housing and income support
- Accessible mental-health care
- Support for families experiencing parental ill health or substance use
Breaking the cycle of childhood trauma
The report warns that adversity can be repeated across generations when families do not receive effective early intervention. Adults affected by childhood trauma may face greater risks linked to financial stress, domestic violence and parental mental ill health when raising children of their own.
That does not mean negative outcomes are inevitable. The report also stresses that people exposed to multiple adverse experiences can achieve positive outcomes, particularly when they receive stable relationships, practical assistance and appropriate professional support.
Prevention is therefore central to the WHO’s recommendations. Safer homes, nurturing relationships and early support can reduce the effects of adversity before they become entrenched. Schools, primary-care providers, social workers and community organisations may all have a role in identifying children and families who need help.
What the report means for Europe
The findings are relevant across Europe, although the study does not create a new European Union law or impose a single policy on member states. Responsibility for child protection, education and most health services remains primarily national, regional or local.
Nevertheless, the report provides evidence for policymakers considering mental-health strategies, child-welfare programmes and measures to reduce inequality. It also highlights the importance of ensuring that services are available to young people who may not seek help until difficulties affect work, study or relationships.
For Ireland and other European countries, the central challenge is translating evidence about childhood adversity into prevention and accessible support. That may involve closer cooperation between health, education and social-protection services, rather than relying on specialist mental-health treatment alone.
Conclusion
The latest WHO findings show that childhood adversity is widespread among young adults in Europe and that repeated exposure is associated with significantly greater health and support needs. The report’s clearest takeaway is that prevention, early intervention and coordinated services can help reduce the long-term impact of childhood trauma and improve outcomes for future generations.
