Introduction: Children with disabilities are at greater risk of childhood developmental delays, yet often excluded from the public child development services and programs⁴. The Convention on the Rights of the Child⁵ (UNCRC) and The Convention on the Rights of Persons with Disabilities⁶ (CRPD) points out that children with disabilities have the same rights as every child, such as access to health care, nutrition, education, equal participation in society, and protection from violence and neglect⁷. Objective: To study the types and prevalence of predominant disabilities of Mongolian in young children Materials and methods: Predominant types, prevalence and proportion of children with disabilities aged 0-14 years are as of 2019 generated from Report of the National Center for Rehabilitation and Development for period 2017-2020, Report of the National Statistical Office of the disabled for period 2019-2020 and Report for Issues of people with disability: Policies and activities Information directory Center, Ministry of Labor and Social Welfare, for period 2017-2020. Result and conclusionchildren; disabilities; prevalence As of 2019, there are 8981 (8.4%) children with disabilities aged 0-14 in Mongolia, of which 7075 (78.8%) have congenital disabilities and 1906 (21.2%) have acquired disabilities. By age group, the prevalence of congenital disabilities is 78.2% higher among children aged 0-14. Of these, 1,790 children have lost their ability to function on a daily activity due to a congenital disease, 1474 children with congenital physical disabilities, 1368 children with mental and intellectual disabilities, 749 children with co-morbidities, 741 children with visual impairments, 573 children with speech disabilities and 380 children with hearing impairments.