Several factors contribute to a city being considered undesirable to live in, including high crime rates, poor air quality, limited job opportunities, and expensive housing. Some cities often cited as among the worst to live in the US include Detroit, Michigan, due to economic struggles and high crime rates; Flint, Michigan, known for its water crisis and economic decline; and Camden, New Jersey, plagued by high crime and poverty rates. Other cities like Gary, Indiana, and Oakland, California, also face challenges with crime, unemployment, and economic instability, making them less desirable places to call home for many residents