The economic basis of credit unions - finances of a household. The main objective of the credit union - to ensure financial stability of a household, to ensure the priority of their shareholders' financial interests. When organizing the credit union it is important that people know each other and know the extent to which each of them is trustworthy. In the credit union compensation for use of the loan (interest) is a source of compensation for savings. Taking a decision to join a credit union, citizens create an organization through which they participate in the shared savings by mutual crediting and joint (collective) use of personal savings. Credit Union - a non-profit financial institution specialized in mutual financial assistance by providing savings and credit services to their members. Credit unions encourage the proper use of shareholders savings, developing social programs (education, health, recreation, housing, etc.).