The politics of Aquitaine, France takes place in a framework of a presidential representative democracy, whereby the President of Regional Council is the head of government, and of a pluriform multi-party system.
Legislative power is vested in the regional council.
The Regional Council of Aquitaine (Conseil régional d'Aquitaine) is composed of 85 councillors, elected by proportional representation in a two-round system.
The winning list in the second round is automatically entitled to a quarter of the seats.
The remainder of the seats are allocated through proportional representation with a 5% threshold.