Choosing the best worst cities live in can be a subjective and complex matter. There are many factors to consider, including the cost of living, job opportunities, cultural attractions, weather, crime rates, and quality of life. Depending on one's preferences and priorities, what may be the best city for one person could be the worst for another.

Some cities often rank highly on quality of life surveys, such as Vienna, Zurich, and Auckland. These cities have low crime rates, good healthcare, high levels of education, and access to nature. They may also have strong economies and cultural offerings, making them desirable places to live for many people.

On the other hand, some cities struggle with high crime rates, poor air quality, traffic congestion, and other challenges. For example, Detroit, St. Louis, and Baltimore often rank among the worst cities in the US due to their high crime rates, low employment opportunities, and struggling economies. Similarly, some cities in developing countries face challenges such as poverty, inadequate infrastructure, and political instability.

Ultimately, the best or worst city to live in depends on individual circumstances and priorities. Some people may prioritize job opportunities and a bustling urban environment, while others may prioritize access to nature and a slower pace of life. It's important to do research and consider personal factors before deciding where to live.