Trends in the diagnostic prevalence of mental disorders, 2012–2022—using nationwide outpatient claims data for mental health surveillance

Evaluations by the statutory health insurance carriers in Germany have revealed a rising prevalence of diagnoses of mental disorders, at varying levels and to varying extents. For mental health surveillance purposes, we analyzed prevalence trends across health insurance carriers, before and during the COVID-19 pandemic and stratified by diagnosis group, sex and age.