Based on the idea of recognition of each person’s marital status, and the existence of the right to nationality of everyone with political status, the purpose of this article is to highlight some of the most important aspects of these institutions. The research of personal status and nationality also requires a comparative analysis: comparative law, in matters concerning nationality regulations and comparative private international law, as depending of the criteria adopted by the countries for nationality adjudgement, we can shape more precisely the influence of the nationality on the personal statue.