Iraq's governing systems intricately shape the nation's political landscape, guided by its constitution and the principle of the separation of powers. The Iraqi Constitution, established in 2005, lays the foundation for a democratic governance structure. 

The country operates with a hybrid system, combining both parliamentary and presidential elements, influencing the distribution of powers among its executive, legislative, and judicial branches. This framework highlights the delicate balance maintained to ensure effective governance. 

The rule of law remains a cornerstone, emphasizing the importance of legal principles and accountability. Understanding the institutions that constitute these systems, such as the executive, legislative, and judicial branches, provides insight into Iraq's evolving political dynamics.