headquarters than any other Canadian city, including those of Canada's five largest banks. Toronto's leading economic sectors include finance, business services, telecommunications, aerospace, transportation, media, arts, film, music, television production, publishing, software production, medical research, education, tourism, engineering, and sports industries. According to Forbes, Toronto is the tenth-most economically powerful city in the world and one of the fastest growing among the G7 nations, whilst PwC ranks the city as the world's second-best "metro powerhouse". Toronto was ranked twelfth in the world and fourth in the Americas in 2010 for economic innovation by 2thinknow. The cost of living in Toronto was ranked highest in Canada in
