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	Emperor personally exercises power in concert with other institutions, Chancellor is subject to parliamentary confidence
Educandi	Grand Commonwealth of the Educan Realm	Unitary devolved republic under delegated authority by the Executor	Executor	Lord-Magistrate	Magistrate is subject to parliamentary confidence
Estradia	United Federative Republic of Estradia	Federal presidential dominant-party republic	President		President is independent of legislature
Haliarchic State	Haliarchic State and Autocephaly of the Holy Elyria	Unitary absolutist haliocracy under delegated authority by the Haliarch	Haliarch	Steward	Steward is subject to parliamentary confidence
Ichoria	Ichorian Republic	Federal semi-presidential republic	President	Premier	President is independent of legislature; Premier is subject to parliamentary confidence
Kathia	Kingdom of Kathia	Federal parliamentary constitutional monarchy	King	Prime Minister	King exercises limited power; Prime Minister subject to parliamentary confidence
Toloria	Union of Toloria	Unitary Semi-Presidential Republic	President	Prime Minister	President is independent of legislature; Prime Minister is subject to parliamentary confidence
Zhenia	Greater Eastern Union of Zhenia	Federal semi-presidential republic	Premier	Chancellor	President is independent of legislature; Chancellor is subject to parliamentary confidence