12. Bristol, UK
Number of medical facilities: 270+
The United Kingdom is as popular as the United States when it comes to health care and medical technology. This also explains why Bristol is a rightful part of the list of best medical cities in the world. With almost 300 hospitals in the city, there is no doubt Bristol is one of the best cities to go to when seeking for high technology and high-quality hospital treatment. They have the Southmead Hospital, Bristol Royal Hospital for Children, Nuffield Health Bristol Hospital, and North Bristol NHS Trust, among others.