The countries are hardly different in their concern to preserve their sovereignty and protect their region and people from external interference, but that concern is affected by political factors, economic and social vary from one country to another. The principle of the rule of the State in the matter of its nationality and the established principles of nationality was reinforced by the principles of the General Assembly, which were adopted by the international community in favor of the State in order to preserve independence and protect the interests. The principle was reinforced by a number of international treaties and judicial decisions, including the decisions of the International Court of Justice Countries.The importance of the subject stems from its relevance to the rights and duties of individuals and the state's sovereignty. The nationality of the adult role in the legal status of the inhabitants of the territory of the state that nationality is a legal, political and spiritual link between the individual state. This association has the effects of rights and duties. These rights and duties differ according to the legal status of the person as a national or a foreigner. The granting of nationality and the legal status of foreigners is a matter of sovereignty, so care must be taken in drafting these laws.The purpose of the research is to state the authority of the state and the scope of its sovereignty in launching or determining its hand in enforcing its laws on its inhabitants, and the extent to which that authority has been subject to international obligations, whether international conventions or treaties which the state has committed itself to. Of its population, including foreigners, by determining the legal status of each person. And to indicate the restrictions affecting the Sultan and the extent of its commitment.