Juarez, Mexico is by far the most dangerous city in the world. For the year 2009 just ended Juarez registered a total of 191 homicides per 100,000 inhabitants.
Just as comparison here are some other very violent places.
San Pedro Sula, Honduras: 119
San Salvador, El Salvador: 95
Caracas, Venezuela: 94
Guatemala City: 86
Tegucigalpa, Honduras: 69
New Orleans, USA: 69
Medellin, Colombia: 62
Cali, Colombia: 63
Capetown, South Africa: 60
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