- Gangs are typically defined as groups of 3 or more people who share an identity and engage in ongoing criminal activity. Gang members are often between 12-24 years old.
- Gangs are more prevalent in schools located in urban cities with populations from 100,000 to 1 million people, but gang problems affect communities of all sizes. Youth join gangs when family and school environments have failed them.
- Gang membership is usually short-term, with half to two-thirds of members only staying for a year or less. The race/ethnicity of gang members reflects the surrounding community.
- Gang violence occurs more frequently in heavily populated