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. A potential new member of a credit union must submit a recommendation of shareholders in which the referee becomes a warrant of a future member of the credit union. International cooperation has been particularly felt since the days when Alphonse Desjardins began the activity on development of credit union movement in North America. The value of credit unions is not limited to the role of the economic agent - they are an important element of the social structure and a factor of social stability and progress.