Historically, credit unions were preceded by widespread development of credit cooperation in many countries of Europe and America. Like the credit cooperatives, credit unions form associations of a higher level, which are called corporate credit unions. First central bank of credit unions appeared in 1876. Credit unions began to appear rapidly in many European countries. Until the mid-XX century, credit unions in the United States had little assets that did not exceed, as a rule, 100 thousand dollars In the UK, credit unions are a source of financing of people groups. This tool is not widely used.