In 1908. the spread of credit unions has reached the United States. In 1935 President Roosevelt signed the state Charter on credit unions, which became a law. The economic basis of credit unions - finances of a household. The main objective of the credit union - to ensure financial stability of a household, to ensure the priority of their shareholders' financial interests. First central bank of credit unions appeared in 1876. Credit unions began to appear rapidly in many European countries. Since the early 80's started the process of consolidation of credit unions, leading to a decrease in their number with a simultaneous increase in the total number of members. 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. Credit unions of the open type are still controlled by their members, but at the same time provide services to people who are not its members (external customers). The main activities of credit unions, aimed at the organization of mutual aid and social support of citizens is not intended to profit. Unlike banks credit unions limit their activities to a closed circle of people.