The trouble with this kind of list is that it obscures the fact that within any country, there are dangerous and less dangerous places. For example, Thailand.
7. Democratic Republic of the Congo (DRC)
10. Palestinian Territories
Although Thailand does not make the list, the Southern Provinces of Thailand are probably at least as dangerous for a traveler to visit as most of the countries on the Forbes' list. "Figures from Deep South Watch show that violence in the South of Thailand last year killed and wounded more people than the worst reported warfare in Iraq" observes Bangkok Pundit in a post comparing casualties in Southern Provinces of Thailand to Iraq.
List compiled by Forbes Magazine (via Reuters).