Most modern credit unions represent specialized consumer cooperatives of citizens associated by the principle of social community: place of work, place of residence, profession, or any other shared interest. Some credit unions are closed, serving only their members. However, the more and more popularitywin cooperatives of open type. The uniqueness of credit unions is that they put together the principles and benefits of financial cooperatives, consumer cooperatives and mutual aid funds, born once by trade unions. Credit union promotes the effective conservation of personal funds of its members, giving them the loans from the funds of the credit union, as well as the sharing of savings in education, housing, health care and other programs of social support and social development of its members. 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. 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 main activities of credit unions, aimed at the organization of mutual aid and social support of citizens is not intended to profit.