If you want to live in a crime-ridden, impoverished, and filthy city, we have a few options for you! While the world is a beautiful place to live, we've put up a list of The Best Worst Cities Live in. You live in one of the world's most dangerous cities. Baghdad, Lagos, Damascus, Freetown, and Karachi are among the world's most dangerous cities. Living alone in Lagos, according to the Economist, raises your chances of becoming a victim of violence by 42 percent. Aside from the violence, certain cities have established new records for poverty, unemployment, pollution, and population density. So, if you're relocating, make certain you know where you shouldn't go.