This study examined gender, disability type, age, and specific diagnostic category in relation to habitual physical activity levels (HPA), perceived fitness (PF), and perceived participation limitations (PPL) of youths, ages 6 to 20 years, in Ontario, Canada. Data collected through a mailed survey (Longmuir & Bar-Or, 1994) were reanalyzed using ANOVA and chi square statistics to provide new information. The 458 girls and 499 boys were classified by disability type: physical, chronic medical, visual, and hearing. Significant differences (p < .01) were between (a) HPA and disability type, specific diagnostic category, and age; (b) PF and disability type; and (c) PPL and disability type. Gender did not influence the results. Youths with cerebral palsy, muscular dystrophy, and visual impairment had the most sedentary lifestyles.