Most cities that bring together vast and diverse populations, while being places of great inspiration, commerce and community, also contain danger. Although no city is free of violence, disease and crime, some are clearly more affected than others.
Danger is hard to quantify, since one person's nuisance may be another person's nightmare, but Mercer Consulting recently released a global report on personal safety that aims to rank cities by their safety levels to help companies compensate employees fairly when placing them on assignments. It covers 221 cities ranked against New York as the base and measures them by criteria such as internal stability, crime levels, law enforcement effectiveness and the host countries' international relations. Within the 39 criteria it examines what has the largest effect on the expat community.
Several cities on the list are subject to official travel warnings, and since the survey was carried out in December 2011, some have seen their security situation deteriorate. While there may be little petty crime in Sana'a, Yemen, with growing instability the terrorist threat there has increased dramatically. This is also the case in Kenya, which is suffering from being next door to the failed state of Somalia. By comparison, safety in Tbilisi, Georgia, has improved.
Click ahead to find out the 10 cities ranked as the world's most dangerous and whether they deserve this reputation.
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