Is necessary that all shareholders of the credit union were members of a single community, would know each other well enough to enjoy mutual trust. The main activities of credit unions, aimed at the organization of mutual aid and social support of citizens is not intended to profit. Historically, credit unions have grown from the experience of credit cooperatives, but they took the experience of organizations of mutual aid of citizens by moving methods of social self-protection from labor and toward consumption. Credit cooperatives and credit unions exist in many different forms. The main differences relate to the nature of the membership and the opening of a credit institution. Credit Union - one of the most attractive financial institutions for the public being a non-profit alternative to banks. Worldwide credit union movement is represented by regional confederations and national organizations within the World Council of Credit Unions.