In this paper I focus on the capabilities of regional major powers and their status. While we know much about the material capabilities of states, we appear to know far less about the determinants and nature of regional major power âstatus,â and that is the focus of this effort. If relative distribution of power between major powers is a necessary condition for war, status consistency or inconsistency is also can be a cause of war. Even though international relations scholars have made widespread use of the concept of major power status, they have rarely been clear in their definition of the term. Therefore, based on economic and military capability, I will firstly analyze who are the major powers in the regional level. And then I will find out the relationship between status inconsistency and the possibility of war in the region. In order to do that specifically, I choose three regions: Asia, South America and Middle East. To test such arguments I investigate whether the distribution of relative power within regions influence the possibility of militarized interstate disputes (MIDs) among regional members. ..PAT.-Unpublished Manuscript [ABSTRACT FROM AUTHOR]