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. To reduce the risk of default on loans members of the credit union shall the joint guarantee. International cooperation has been particularly felt since the days when Alphonse Desjardins began the activity on development of credit union movement in North America. Until the mid-XX century, credit unions in the United States had little assets that did not exceed, as a rule, 100 thousand dollars The supreme body of the World Council of Credit Unions is the Assembly, which elects the president and the board of directors of WOCCU. Unlike banks credit unions limit their activities to a closed circle of people. A credit union on its own initiative order is created by citizens (individuals) to solve their financial problems that they could not solve in other financial institutions.