Principles of cooperative democracy and interaction were adequate to the purposes for which people joined credit 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. 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. The relationship between credit unions and shareholders arise from the membership and are not customer relationship. Credit unions, like today's credit unions, emerged in the 19th century in Germany as a result of crop failure and famine. Credit Union - one of the most attractive financial institutions for the public being a non-profit alternative to banks.