UHN itself isn't typically ranked as a single entity in global healthcare rankings. However, its constituent hospitals often receive high rankings in various categories. For example: Toronto General Hospital has been ranked as the 4th best hospital in the world by Newsweek magazine in 2021. Princess Margaret Cancer Centre is consistently ranked among the top 5 cancer research centers globally. UHN as a whole is recognized as Canada's largest research hospital, with its research arm often ranking at the top for research funding in Canada. It's important to note that rankings can vary depending on the criteria used and the organization conducting the ranking. UHN's reputation is based on its overall excellence in patient care, research, and education across multiple medical specialties.