Tasmanian politics operates within a parliamentary system, where the Tasmanian Parliament consists of two houses: the House of Assembly and the Legislative Council. The Premier is the head of government, leading the Tasmanian Government and making key decisions on policies and legislation. The major political parties in Tasmania include the Liberal Party, the Labor Party, and the Greens. Elections are held every four years, allowing citizens to vote for their representatives. Key issues in Tasmanian politics often revolve around environmental conservation, economic development, and social services.