List of countries by system of government (INWU)

The following is a list of Themian polities by system of government. This list presents the political system of the countries shown below as per the law, ignoring potential anomalies in practice in the way their respective governments actually operate.

Country	Formal name	Government	Head of State	Head of Government	Basis of executive legitimacy
Achysia	Empire of Achysia	Unitary parliamentary constitutional monarchy	Emperor	Chancellor	Monarch personally exercises power in concert with other institutions, ministry is subject to parliamentary confidence
Educandi	Grand Commonwealth of the Educan Realm	Unitary devolved republic under delegated authority by the Executor	Executor	Lord-Magistrate	Ministry is subject to parliamentary confidence
Estradia	United Federative Republic of Estradia	Federal presidential dominant-party republic	President		Presidency is independent of legislature
Ichoria	Ichorian Republic	Federal semi-presidential republic	President	Premier	Presidency is independent of legislature; ministry is subject to parliamentary confidence
Kathia	Kingdom of Kathia	Federal parliamentary constitutional monarchy	King	Prime Minister	Prime Minister is independent of legislature; King serves largely ceremonial role
Zhenia	Greater Eastern Union of Zhenia	Federal semi-presidential republic	Premier	Chancellor	Ministry is subject to parliamentary confidence