Since 1992, the city of Winnipeg has been represented by 15 city councillors and a mayor, both elected every four years. The present mayor, Brian Bowman, was elected to office in 2014. The city is a single-tier municipality, governed by a mayor-council system. The structure of the municipal government is set by the provincial legislature in the City of Winnipeg Charter Act, which replaced the old City of Winnipeg Act in 2003. The mayor is elected by direct popular vote to serve as the chief executive of the city. At Council meetings, the mayor has one of 16 votes. The City Council is a unicameral legislative body, representing geographical wards throughout the city.