Today in the UK there are about 700 credit unions with assets exceeding 200 million pounds. First central bank of credit unions appeared in 1876. Credit unions began to appear rapidly in many European countries. Until the 70's there was a proliferation of the U.S. credit unions due to the increase of their number and the number of shareholders, although it must be acknowledged that there was also and a qualitative growth. In some cases, the initiators of credit unions can be trade unions, associations such as social support centers and others. The right to use the services of the credit union have only its members.