Abstract
This article discusses recent e-Government maturity models, presents the principles and levels of development of Digital Government, and conducts a comparative analysis of the concepts of Digital and e-Government. This article will also present the e-Government maturity models of Kazakhstan using the Gartner model, as well as problems and prospects for the development of digitalization of Public administration in the social sphere of Kazakhstan. The purpose of the article is to identify differences in the concepts of e-Government and Digital government, to present the latest Digital government maturity model and the possibility of its application in practice to assess Digital government maturity of Kazakhstan.