Mutual support groups whose members are people who have experienced a loss, such as the death of a loved one, divorce or separation. The groups meet in-person, by telephone or via the Internet; are open to anyone who has had a loss rather than structured for people with particular types of losses; and focus on helping participants accept their loss, express their grief, move through the bereavement process and put their lives back together.

Individuals who are generally between the ages of 18 and 25 depending on the ages that specific programs use for qualification.

Individuals who have experienced a loss, such as the death of a loved one or pet, divorce or separation, estrangement from a family member or any other kind of significant loss whose own patterns of personal, social and familial coping have been significantly affected as a result.