In 1908. the spread of credit unions has reached the United States. In 1935 President Roosevelt signed the state Charter on credit unions, which became a law. In recent decades, many credit unions began to resort to such form of service as First central bank of credit unions appeared in 1876. Credit unions began to appear rapidly in many European countries. Among the U.S. credit unions, there are three groups that differ in terms of assets, shareholders, and business services. To reduce the risk of default on loans members of the credit union shall the joint guarantee. 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. In some cases, the initiators of credit unions can be trade unions, associations such as social support centers and others.