There are about 466 million people (6.1% of global population) with hearing impairment registered in the world according to the data from WHO experts. Their number exceeds 13 million in Russian Federation, and more than 1 million are children. The results of the universal audiological screening program for newborns has shown that 1 child per 1000 newborns is born deaf, another 2–3 children grow deaf during the first years of life. The number of people with hearing impairment will reach 900 million people by 2050 according to the WHO forecasts. Prevention and early diagnosis of hearing loss and rehabilitation of children with such disorders are necessary for avoiding problems with social integration. This review presents the analysis of cognitive abilities development in children and adolescents with different types and degrees of hearing loss with regard to different approaches in their management and rehabilitation.