Under the Luxembourgian constitution, local government is centred on the city's communal council. Consisting of twenty-seven members (fixed since 1964), each elected every six years on the second Sunday of October and taking office on 1 January of the next year, the council is the largest of all communal councils in Luxembourg. The city is nowadays considered a stronghold of the Democratic Party (DP), which is the second-largest party nationally. The Democratic Party is the largest party on the council, with eleven councillors.