Background: Hearing loss is defined as the inability to hear. There is also the potential for mild, moderate and severe hearing loss, which affects physical, social and psychological health, impairing education and social inclusion. As a result, identifying children with hearing loss early and providing appropriate interventions can be very beneficial. Aims: to identify the causes for hearing loss and deafness and to know the relationship between hearing loss and deafness with some demographic data related to children and their mothers . Methods: A cross-sectional descriptive study design was used during the period from 2nd February 2022 to 2nd May 2022. This study was conducted in Babil Governorate on (150) patients suffering from hearing loss and deafness in Babel Teaching Hospital for Women and Children, Imam Al-Sadiq Teaching Hospital and all private hearing loss and deafness centers . Children under the age of five years were selected. Data were collected using an electronic scale, non-stretch measuring tape, and modified questionnaire and analyzed electronically using SPSS 26. Results: The majority of children are between the ages of (less than one year - 5) years with an average age of (3) and more than half are females.