Introduction. The mental health of children and adolescents occupies one of the leading places in the study of the spread of mental disorders. The increase in the number of mental disorders in the child and adolescent population reflects real trends in modern society that are changing the conditions of its development and life activity. Thus, the analysis of the mental health status of children requires special attention. Objective: to study the dynamics, to conduct a comparative analysis of the indicators of the newly identified morbidity and prevalence of mental disorders among minors in Kirov and the Russian Federation, taking into account the age periods from 2010 to 2022. Materials and methods. The work uses data from the Federal State Statistics Service, statistical forms No. 10 "Information on diseases with mental disorders and behavioral disorders" KOGKBUZ "Center for Psychiatry and Mental Health named after. academician V.M. Bekhterev", as well as methods: content analysis of scientific literature and regulatory documentation, statistical method, including calculation of dynamic series indicators, analytical method. Calculations of the indicators were made for 10 thousand people of the corresponding child and adolescent population. Results. During the analyzed period, the level of newly identified incidence of mental disorders among minors in Kirov tends to decrease, but compared with similar indicators in the Russian Federation, it is higher throughout the compared period. The prevalence of mental disorders among minors in Kirov also tends to decrease and is also higher throughout the period compared with similar indicators in the Russian Federation. To characterize the dynamics of morbidity and prevalence indicators, such dynamic series indicators as absolute increase (decrease), growth rate (decrease), growth rate (decrease), and the value of 1% increase (decrease) were used. In general, over the entire period of observation, the dynamics of indicators changed unevenly. The changes in morbidity and prevalence rates for certain nosological forms that occupy leading positions in the structure of morbidity: the incidence of psychoses, disorders of the non-psychotic level, mental retardation. Conclusions. The high rates of newly identified morbidity and prevalence of mental disorders among minors, taking into account age periods, according to statistical reports in the age groups 0-14 years and 15-17 years for the period 2010-2022, are explained by the high availability of psychiatric care to minors in Kirov, namely, maximum proximity to the population in conditions of children's educational institutions and medical organizations, including children's polyclinics, one hundred percent staffing of outpatient psychiatrists and the routing of children with suspected mental disorders from preventive examinations to psychiatrists of the Central Medical Institution "CPPZ" implemented in Kirov. Early detection of mental disorders in children contributes to their favorable course due to timely multiprofessional rehabilitation and further significantly improves social adaptation.