This Comparison of legislative and executive branches in the U.S. unincorporated territories thesis deals with political systems in unincorporated American territories - Puerto Rico, U.S. Virgin Islands, Guam, Commonwealth of Northern Mariana Islands and American Samoa. Today these territories stand as an integral part of the USA, but they do not hold federal state status. This study focuses on political systems of the individual territories, specifically on their legislative and executive bodies. It also explores relationships these territories have with the continental U.S., their status within American political system and it outlines genesis of autonomous government institutions of these territories. Concurrently, this thesis also elaborates on problem areas stemming from for example dual citizenship and citizens of these territories not being able to participate in presidential elections. This work comprises of five case studies that focus on political institutions of the individual territories. The main contribution of this study lies in the comparison work. In comparative analysis of the executive bodies and analysis of the extent of governors' authority within individual territories, and in the comparison with federal states. It also provides comparative analysis of legislative bodies of...