Though some people may believe that Johannesburg, South Africa may be the most violent city in the world, it's not. The most violent city in the world is actually the capital of Venezuela, Caracas;...
San Andreas
Puerto Rico Puerto Rico
It's is hard to tell, but Lictenshtein in South Africa, have 0 familys, which means 0 people.
This one got me wondering, and made me wanted to find out, which city it could be; and by researching it, I found out that it was Tuvalu with 11, 468.