For this article democracy is guaranteed by the Unity between community and government. the views of well known democracy scholars and also development of capitalism (from classical liberalism to revisionist liberalism and then to new-liberalism) explain the necessity of this unity for democracy existence. This research urges that accelerating globalization process has weakens the unity between community and government, and subsequently democracy is facing a crisis. various theoretical endeavors has been made by scholars to explain future of democracy in the globalization age .these theories, in this paper, has been classified and studied within three group including “End of Democracy”, Cosmopolitanism” and “Reflexive Modernization”.