Corporate credit unions are united on a cooperative basis in the Central Credit Union (US Central Credit Union). Specialization of credit unions to provide financial services to its shareholders requires a particularly strict regulation of membership and acceptable activities. First central bank of credit unions appeared in 1876. Credit unions began to appear rapidly in many European countries. In the credit union compensation for use of the loan (interest) is a source of compensation for savings. Important specifics of creating a credit union - an initiative order of organization: people do not receive any instructions, orders or regulations, the unification into a credit union occurs by their will and decision. In some cases, the initiators of credit unions can be trade unions, associations such as social support centers and others. Credit cooperatives and credit unions exist in many different forms. The main differences relate to the nature of the membership and the opening of a credit institution. 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. Today, the World Council of Credit Unions is represented as members four regional confederations and twelve national associations.