Find out targeted ethnic, ethnic, and national diversity and its impact on the Iraqi political arena, because the ethnic composition since the founding of the Iraqi state in 1921 has become a big problem affects stability of the Iraqi state policies because of political elites to power in Iraq. It reflected the importance of this research from the current circumstances through which Iraq where his future will depend on the extent of harmony and adaptation between these groups and sub-cultures. The researcher adopted a deductive approach and inductive and deductive approach in addition to the historical themes in the analysis of the subject. The researcher has come up with a number of conclusions, the most important that the standard of citizenship and good governance, decentralization and representative of the benefits and efficiency and ability, integrity and affiliation to the homeland and loyalty is a alternative or the best solution out of the crisis and to address our problems in a spirit of consensus and harmony between the social components in Iraq and the keenness of the Constitution to control the debugging the past and achieve national unity.