I was trying to look for good cities around the world, updated for 2013, but what I have read is about the most dangerous cities in America from homes.yahoo.com.

Here are the list of the most dangerous cities in America:

1. Flint, Michigan
   > Violent crimes per 100,000: 2,729.5
   > Population: 101,632
   > 2012 murders: 63
   > Poverty rate: 40.6%
   > Percentage of adults with high school degree: 82.9%
2. Detroit, Mich.
   > Violent crimes per 100,000: 2,122.6
   > Population: 707,096
   > 2012 murders: 386
   > Poverty rate: 40.9%
   > Percentage of adults with high school degree: 77.4%
3. Oakland, Calif.
   > Violent crimes per 100,000: 1,993.1
   > Population: 399,487
   > 2012 murders: 126
   > Poverty rate: 21.0%
   > Percentage of adults with high school degree: 79.9%
4. St. Louis, Mo.
   > Violent crimes per 100,000: 1,776.5
   > Population: 318,667
   > 2012 murders: 113
   > Poverty rate: 27.0%
   > Percentage of adults with high school degree: 83.9%
5. Memphis, Tenn.
   > Violent crimes per 100,000: 1,750.0
   > Population: 657,436
   > 2012 murders: 133
   > Poverty rate: 27.2%
   > Percentage of adults with high school degree: 83.4%

You may check on Yahoo’s The most dangerous cities in America, 2013.