This article examines the theory of bilingualism: types of bilingualism, the causes of bilingualism and development of national-Uzbek bilingualism in the context of the national independence of Uzbekistan. According to the author, development of bilingualism in various forms is an important factor in strengthening national consolidation, enhancing the economy and culture of Uzbekistan. The author analyzes the theoretical, historical and socio-poli-tical aspects of development of bilingualism.