Toronto is the most populous city in Canada and the capital city of the Canadian province of Ontario. With a 2021 Census population of 2,794,356, the city is the fourth-most populous city in North America, behind Mexico City, New York City, and Los Angeles. Toronto is the anchor of the Golden Horseshoe, an urban agglomeration surrounding the western end of Lake Ontario with an estimated population of 11,198,136 in 2025. As of 2025, the Toronto census metropolitan area had an estimated population of 7,106,379. Toronto is an international centre of business, finance, arts, sports, and culture, and is recognized as one of the most multicultural and cosmopolitan cities in the world.