In Belgium, Roman Catholicism is the majority religion, accounting for between 75% and 80% of the population, although as of 2004 only about 10% to 20% of the population regularly goes to church.
Politics of Belgium takes place in a framework of a federal, parliamentary, representative democratic, constitutional monarchy, whereby the King of the Belgians is the Head of State and the Prime Minister of Belgium is the head of government in a multi-party system. Executive power is exercised by the government. Federal legislative power is vested in both the government and the two chambers of parliament, the Senate and the Chamber of Representatives. The federation is made up of (cultural/political) communities and (territorial) regions.
Water supply and sanitation in Belgium is provided by a large variety of organizations: Most of the 589 municipalities of Belgium have delegated the responsibility for water supply and sanitation to regional or inter-municipal utilities. There are more than 62 water supply utilities, including 2 regional, 30 inter-municipal and 30 municipal utilities.