The supreme body of the World Council of Credit Unions is the Assembly, which elects the president and the board of directors of WOCCU. Historically, credit unions have grown from the experience of credit cooperatives, but they took the experience of organizations of mutual aid of citizens by moving methods of social self-protection from labor and toward consumption. Today, the World Council of Credit Unions is represented as members four regional confederations and twelve national associations. Income received by the credit union shall be distributed among the shareholders or spent for the depreciation of services, that is, are the most effective means of meeting the needs of shareholders. The relationship between credit unions and shareholders arise from the membership and are not customer relationship. Some credit unions are closed, serving only their members. However, the more and more popularitywin cooperatives of open type.