Political parties in Ontario play a crucial role in the province's governance and electoral process. The main parties include the Progressive Conservative Party, the Ontario New Democratic Party (NDP), and the Ontario Liberal Party. Each party has its own platform and policies, representing different ideologies and interests of the citizens. Elections in Ontario are held every four years, where voters choose their representatives in the Legislative Assembly of Ontario. The party that wins the most seats typically forms the government, with its leader becoming the Premier of Ontario. Smaller parties, such as the Green Party of Ontario and others, also participate in the political landscape.