Charitable Non-profit
May or may not have members. Carries on its activities primarily for the benefit of the public. Is usually funded by donations, grants or other public money. Requires at least one director (board member). Membership Non-profit
Has members. Carries on activities primarily for the benefit of its members. Financed by its members through membership fees, etc. It does not usually solicit donations from the public or receive government grants. Requires at least three directors (board members).