Toronto local is the most populous city in Canada, the provincial capital of Ontario, and the center of the Greater Toronto Area, the most populous metropolitan area in Canada. Growing in population, the 2011 census recorded a population of 2, 615,060.As of 2015, the population is now estimated at 2, 826, 498, making Toronto the fourth-largest city in North America based on the population within its city limits. Toronto trails only Mexico City, New York City, and Los Angeles by this measure, while it is the fifth-largest (behind also Chicago) if ranked by the size of its metropolitan area .An established global city, Toronto is an international center of business, finance, arts, and culture, and widely recognized as one of the most multicultural and cosmopolitan cities in the world. Toronto is home to 20 public hospitals, including: the Hospital for Sick Children, Mount Sinai Hospital, St. Michael's Hospital, North York General Hospital, Toronto General Hospital, Toronto Western Hospital, St. Joseph's Health Centre, Rouge Valley Health System, The Scarborough Hospital, Sunnybrook Health Sciences Centre, Centre for Addiction and Mental Health (CAMH), and Princess Margaret Cancer Centre, as well as the University of Toronto Faculty of Medicine. Most popular institute for Cancer Research in Canada is “The Ontario Institute for Cancer Research (OICR) and Princess Margaret Cancer Centre. The Ontario Institute for Cancer Research (OICR) is a not-for-profit organization based in Toronto, Ontario, Canada that focuses on the prevention, early detection, diagnosis and treatment of cancer. OICR intends to make Ontario more effective in knowledge transfer and commercialization while maximizing the health and economic benefits of research findings for the people of Ontario. OICR was launched in 2005 by the Government of Ontario, which provides funding through the Ministry of Research, Innovation and Science. The Institute employs more than 350 people at its research hub at the MaRS Centre in downtown Toronto and funds more than 1,700 scientific staff at hospital-based research institutes and universities around the province..