Credit unions encourage savings of citizens, setting compensation payments (interest) on savings and provide from these savings loans to their members. Typically new members of the credit union become citizens having suretyship or recommendations from their friends - members of the credit union. Credit unions perform the function of social protection in a vital for people sphere of financial services. They care about improving the financial literacy of the population, are working on the formation of their members and their employees. Among the U.S. credit unions, there are three groups that differ in terms of assets, shareholders, and business services. Over 30% of the assets of credit unions are investments in government securities, certificates of deposit of banks and savings loan associations, as well as in the parent credit unions, and other risk-free investments. In the UK, credit unions are a source of financing of people groups. This tool is not widely used.