There are three types of dependent children as per Canada immigration. Prospective applicants must select the most appropriate type while filing the application.
Type A : The dependent is below 22 years of age and is neither married nor in a common-law relationship.
Type B: This dependent type only applies to if your child’s age is locked-in before August 1, 2014. The child has been continuously enrolled in or attending full-time studies at a post-secondary institution and, is dependent significantly on their parents for financial support since before the age of 22.
Type C : This type of dependent is 22 years or above, and has been dependent significantly on parents for financial support since before the age of 22, and is unable to become financially stable because of physical and mental health conditions.