The courts deal with only 3% of these offences – i.e. a caution is the most typical form of sanction, as children under 15 cannot be ordered to a Young Offender’s Institution. Only 1 in 18 receives a custodial sentence, and many receive caution after caution with impunity. The average age for a young offender is 15. A quarter of all known offenders in Britain are under 18. In ten years there will be an estimated 10,000 more criminal teenagers if the trends continue. Depend on the causes of youth crime and trying to prevent it as well as determining which type of sanction helps deter recurrence of youth crime. Possible causes range from poor diet, family background, poor communication, poor discipline, poor attitude, socio-economic and personal problems, boredom, and opportunity to irresponsible parents