This study was aimed to investigate the relationship between the perceived strength of motivation and level of physical activity during their leisure time of youth. The randomly selected 1,097 (boys = 342, girls = 755) youth reported their duration, frequency, and intensity of physical activity and also indicated their strength of motivation in relation to physical activity. Two-way contingency table analyses and "t" tests revealed that the strength of motivation for physical activity was significantly and positively related to active participation.