The best places to spend retirement in are safe and affordable, where people are healthy and generally happy. They’re places with economies that offer job opportunities for those nearing retirement age, and with living arrangements that suit the needs of people ages 65 and older. They’re places that have good transportation systems, and where cultural, recreational and volunteer opportunities enrich the lives of residents. Not everyone wants to retire in a big city, but they have their advantages. The Milken Institute’s list of best cities for successful aging is a thorough analysis that considers 78 factors that most affect the quality of life of those aged 65 and older.