The main differences between a child and an adult are their levels of maturity, physical and mental skills, and life experiences. Children are very likely to give in to the temptations of groups that want them to get involved in crime. When these young people's thoughts go in the wrong direction, they can tamper with the way our society is run and destroy moral standards. In order to preserve the sanctity of the nations, every country has evolved its juvenile justice system in order to deal with juvenile delinquents effectively. The world's current juvenile system is the result of various ups and downs experienced by nations in achieving a balanced approach to deal with delinquency and societal stability. This article seeks to trace the development of juvenile system in USA, UK and India.