Micronesia's most populous island
Guam is fairly comparable to the mainland USA in terms of crime levels. Most criminal activity, however, relates to either domestic violence of the drug trade. Drug use is a major problem, although the island is taking many initiatives against this. The widespread availability of crystal meth presents the biggest problem, along with its subsequent side-effects of burglary, mugging, theft etc. Car theft can be an issue on the island, and if you have rented a car then make sure that A: it is insured, and B: you lock it and leave all valuables out of view to passers by. Guam suffers from a distinct lack of police presence and a solid judicial system. As a result, if you are a victim of crime, don’t expect justice to be swift or effective. Despite this, Guam is a friendly, affable place and is no more dangerous than many European cities or USA mainland towns. If you take the same kind of precautions and attitude that you would at home, you are likely to be fine.