This new third edition provides an update on what is known about street gangs throughout the world and summarizes some of the major works on street gang phenomena. It focuses on those countries that have a greater presence in the literature. Chapter 1 introduces the reader to the topic of street gangs throughout the world. Chapter 2 identifies some of the challenges faced by scholars when studying gangs in different countries. Chapter 3 reviews some of the basic research on street gangs in the United States and Canada. Chapter 4 covers what is known about street gangs in Europe and Russia. Chapter 5 reviews the literature on street gangs in one of the hottest areas of the world for gangs, Central America. In addition, this chapter examines South American and Caribbean gangs. Street gangs in Brazil, El Salvador, Guatemala, Jamaica, Brazil, Mexico, Nicaragua, Trinidad, and other countries are covered. The presence of street gangs and gang violence in these and other countries has been identified as a major factor in the mass migration of refugees to the United States. Chapter 6 reports on the street gangs of Africa. Research on gangs in South Africa goes back decades and the country has a unique history on how gangs evolved. Other countries, such as Egypt, Nigeria, and Kenya are developing a body of literature that highlights the distinctive nature of gangs and gang members in these countries. Chapter 7 addresses street gangs in Asia, including China, India, Hong Kong (post-reunification), Japan, and other countries. This chapter provides rare glimpses of gangs in China, a relatively secretive country. Although different in many ways from gangs in Asia, information is also included here about gangs in Australia and New Zealand. Practitioners in the criminal justice and juvenile justice fields will find this book to be a valuable resource.