The number of shareholders of a credit union is limited and formalized by a list. Limit of the number is defined by the assembly and such assembly establishes the charter. In the U.S. credit unions timely and full repayment of loans is a common phenomenon. Unpaid and delinquent loans are not more than 3% of their amount. The main advantage of credit unions consists in transparency, controllability, governance for shareholders. Membership in the credit union forms responsible citizens and conscientious attitude to their obligations as a norm of behavior, identify the value of a decent man's reputation in the business turnover. Shareholders in corporate organizations are basic credit unions, besides the same union can be a shareholder of several corporate organizations. Credit Union - a non-profit financial institution specialized in mutual financial assistance by providing savings and credit services to their members. Unlike banks credit unions limit their activities to a closed circle of people. Worldwide credit union movement is represented by regional confederations and national organizations within the World Council of Credit Unions.