The main objective of this study was to investigate the expenditure pattern and the consumer behaviour of adolescents. The sample comprised 1,166 form four students from 10 schools in Perak, Selangor and Negri Sembilan. The results of the study indicate that the average amount of money received by the respondents was $21.47. The average expenditure was: food $8.88, reading materials $8.68, entertainment $5.35 and others $12.21. There was a significant difference in the amount of money received and spent between males and females. Female respondents tended to be more careful in their spending as compared to males. However, they bought sweet foods and snacks more often than males who often bought filling food.