First central bank of credit unions appeared in 1876. Credit unions began to appear rapidly in many European countries. Credit union services are available only to its shareholders. Until the 70's there was a proliferation of the U.S. credit unions due to the increase of their number and the number of shareholders, although it must be acknowledged that there was also and a qualitative growth. Shareholders in corporate organizations are basic credit unions, besides the same union can be a shareholder of several corporate organizations. Standards by which credit unions build their work do not coincide with the standards and regulations of consumer cooperation of the usual type. The specifics of credit unions and, in some sense, their uniqueness lies in the fact that they work not for profit and do not appropriate profit. Worldwide credit union movement is represented by regional confederations and national organizations within the World Council of Credit Unions.