Mexico City, Mexico

Mexico City, the political, social and economic hub of Mexico, is the next entry in the list. This city is one of the most important cultural and financial centers in North America, and has a population of around 8.864 million.   

Mexico City, the largest city in Mexico, is plagued by violence, constant traffic issues and high level of pollution. And as per wiki answers, there are zones in this city that are unsafe even during the middle of the day. Services such as garbage disposal and public transportation are chocked full, and do not carry out their services efficiently. Like other developing cities, former rivers within city have become open sewers and environmental degradation has become synonymous with the city. Drug abuse, alcoholism and organized crime are some of the other issues that earn this city a spot among the worst destinations for tech professionals. 

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