The 20 Most Dangerous Cities In The World

São Luís, Brazil

Sao Luis is the largest city of the state of Maranhao in Brazil. It is located on Ilha de Sao Luis (Saint Louis Island). It has two major ports. Even though it is an important port, the city of Sao Luis is also a poor city by Northeast Brazil standards. It has close to a million residents, most of whom live in favelas. It had 64.71 homicides per 100,000 residents.