In the U.S., credit unions have a clear organizational structure. All credit unions belong to one or the other parent credit union (there are 35 of them in the U.S.). 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. First central bank of credit unions appeared in 1876. Credit unions began to appear rapidly in many European countries. Cooperation between credit unions, how they would not have been named, took place always, from the moment when the movement moved outside one credit union. Credit unions, like today's credit unions, emerged in the 19th century in Germany as a result of crop failure and famine. Credit Union - a non-profit financial institution specialized in mutual financial assistance by providing savings and credit services to their members. Unlike banks credit unions limit their activities to a closed circle of people.