Corporate credit unions are united on a cooperative basis in the Central Credit Union (US Central Credit Union). Today in the UK there are about 700 credit unions with assets exceeding 200 million pounds. The difference between credit unions and banks is clearly is apparent when comparing the structure of assets and liabilities of credit unions and banks. 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. National Credit Union Insurance Fund was created by Congress in 1970 to insure deposits of credit union members in the amount of 100 thousand dollars.