Some credit unions are closed, serving only their members. However, the more and more popularitywin cooperatives of open type. 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. The value of credit unions is not limited to the role of the economic agent - they are an important element of the social structure and a factor of social stability and progress. The supreme body of the World Council of Credit Unions is the Assembly, which elects the president and the board of directors of WOCCU. Unlike banks, in order to use the services of a credit union, you have to become its member, having written an application and having paid thus shares and membership fee. Today, the World Council of Credit Unions is represented as members four regional confederations and twelve national associations.