Principles of cooperative democracy and interaction were adequate to the purposes for which people joined credit unions. Income received by the credit union shall be distributed among the shareholders or spent for the depreciation of services, that is, are the most effective means of meeting the needs of shareholders. To reduce the risk of default on loans members of the credit union shall the joint guarantee. 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. The relationship of shareholders with credit union are not client-based, they are co-operative, based on different principles and standards, in particular, on the principles of the law of obligations. Shareholders in corporate organizations are basic credit unions, besides the same union can be a shareholder of several corporate organizations. In some cases, the initiators of credit unions can be trade unions, associations such as social support centers and others. The right to use the services of the credit union have only its members. On the consumer credit market in the U.S. credit unions are on the third place after the commercial banks and finance companies and are ahead of savings institutions, not taking into account the loans on real estate. 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.