Toronto is the most populous city in Canada.
Toronto is the most populous city in Canada and the provincial capital of Ontario . With a population of 2,731,571 , it is the fourth most populous city in North America after Mexico City , New York City , and Los Angeles . Toronto is the centre of the Greater Toronto Area ( GTA ) , the most populous metropolitan area in Canada , and anchors the Golden Horseshoe , a heavily urbanized region that is home to 9.2 million people , or over 26 % of the population of Canada .