Toronto is the largest city in Canada and the capital of the province of Ontario. Toronto has a population of 2,615,060 inhabitants, making it the fifth most populous city in North America. The area of the territory is 630 km². The official language is English. Toronto is an important economic center in North America. The Toronto Stock Exchange is the fifth largest in the world in terms of market capitalization. Moreover, the majority of Canadian businesses have their headquarters in the city.